CN112420419A - Jack box with linkage locking function - Google Patents
Jack box with linkage locking function Download PDFInfo
- Publication number
- CN112420419A CN112420419A CN202011240482.XA CN202011240482A CN112420419A CN 112420419 A CN112420419 A CN 112420419A CN 202011240482 A CN202011240482 A CN 202011240482A CN 112420419 A CN112420419 A CN 112420419A
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- China
- Prior art keywords
- interlocking
- plate
- jack box
- box body
- bus duct
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/08—Connection boxes therefor
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- Switch Cases, Indication, And Locking (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a jack box with a linkage locking function, which comprises a jack box body with a box body bottom plate and a box cover, wherein a circuit breaker is arranged in the jack box body; the pin assembly comprises elastic pins, and the end parts of the elastic pins extend out of the bottom plate of the box body to be connected with the bus duct; the circuit breaking interlocking assembly is used for interlocking the switching-on and switching-off operation process of the circuit breaker with the door lock of the box cover; the buckling interlocking component is used for interlocking the operation process of buckling the jack box body on the bus duct with the circuit breaking interlocking component; and the door lock linkage assembly is used for interlocking the door lock locking operation process with the circuit breaking interlocking assembly and the buckling interlocking assembly, and blocking the jack box body from being separated from the bus duct when the breaker is in a closing state. The invention can limit the action of the jack box separating from the bus duct under the condition of electrification, and ensures the safe and reliable operation of the jack box.
Description
Technical Field
The invention relates to the field of electric power, in particular to a jack box.
Background
Most of the existing manual operating mechanisms of circuit breakers in the market mainly adopt a mechanism in the form of a rotating handle, open and close of a box door (cover) are controlled through a connecting rod, and the manual operating mechanisms are widely applied to switch equipment such as a switch cabinet, a bus duct jack box (or a tapping unit) and the like, and are common operating structures. There is no specialized operating mechanism available in a single product (e.g., a busway jack box).
In addition, a device capable of limiting the plugging operation flow of the jack box so as to avoid non-compliant hot plugging is also lacking at present.
Disclosure of Invention
In order to solve the problems, the invention provides the jack box with the linkage locking function, which can limit the action of the jack box separating from the bus duct under the condition of electrification and ensure the safe and reliable operation of the jack box.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a jack box with ganged locking, comprising:
the jack box body comprises a box body bottom plate connected with the bus duct and a box cover arranged opposite to the box body bottom plate, and a circuit breaker is arranged in the jack box body;
the plug pin assembly comprises an elastic plug pin arranged in the box body of the jack box, and the end part of the elastic plug pin extends out of the bottom plate of the box body to be connected with the bus duct;
the circuit breaking interlocking assembly is arranged on the circuit breaker and used for interlocking the switching-on and switching-off operation process of the circuit breaker with the door lock of the box cover;
the buckling interlocking component is arranged on the jack box body and used for interlocking the operation process of buckling the jack box body on the bus duct with the circuit breaking interlocking component;
the door lock linkage assembly is arranged on the box cover and used for interlocking the door lock locking operation process with the circuit breaking interlocking assembly and the buckling interlocking assembly, and when the circuit breaker is in a closing state, the inserting box body is prevented from being separated from the bus duct.
As a preferred technical scheme of the jack box with the linkage locking function, the circuit breaker comprises a frame, a plurality of single-pole switches arranged in parallel and a guide rail parallel to the motion direction of the single-pole switches, and the two ends of the guide rail are respectively a switch-off end and a switch-on end.
As a preferred technical solution of the jack box with the linkage locking function, the disconnection interlocking assembly includes a disconnection limiting plate moving along the guide rail and a plurality of single-pole operating parts matched with the single-pole switches one by one, and when the disconnection limiting plate is located at a closing end of the guide rail, the single-pole operating parts drive the single-pole switches to perform opening and closing operations; when the circuit breaking limiting plate is positioned at the switching-off end of the guide rail, the single-pole operating component is blocked from driving the single-pole switch to perform switching-off and switching-on operations; one end of the circuit breaking limiting plate extends out of the circuit breaker and is provided with a first poking hole.
As a preferable technical scheme of the jack box with the linkage locking function, one end of the single-pole operating part is provided with a handle limiting part which is clamped with the single-pole switch; the other end of the handle clamping groove extends out of the breaker, and the handle clamping groove is provided with a handle connecting part and is clamped into the handle clamping groove of the single-pole operating handle on the box cover.
As an optimal technical scheme of the jack box with the linkage locking function, the door lock linkage assembly comprises a door lock operation part arranged on the box cover, the door lock operation part is provided with a door lock poke rod driving the circuit breaking limiting plate to move along the guide rail, and the door lock poke rod is connected with the circuit breaking limiting plate by inserting the first poke hole.
As a preferred technical solution of the jack box with the linkage locking function, the locking interlocking component includes an end sealing plate, and a handle unit, a reset unit and a locking unit which are arranged on the end sealing plate, wherein the handle unit is arranged to force the reset unit to move, so as to prevent the locking unit from blocking the jack box body from being locked on the bus duct; the reset unit is arranged to force the buckling unit to block the plug box body from being separated from the bus duct.
As a preferable technical solution of the jack box with the interlocking lock function, the handle unit includes an interlocking shaft, and an external handle and a rotary interlocking member connected to the interlocking shaft, and when the external handle located outside the jack box body is rotated, the rotary interlocking member is rotated with the external handle around an axis of the interlocking shaft;
the reset unit comprises a reset plate driven by the rotating interlocking piece to move along the direction vertical to the axis of the interlocking shaft and a pressure spring mounting assembly fixedly connected with the reset plate, a compression spring is arranged in the pressure spring mounting assembly, one end of the compression spring is abutted against a spring fixing plate of the reset plate, the other end of the compression spring is abutted against the bottom of the end sealing plate, and the reset plate is pushed to move towards the direction blocking the rotation of the rotating interlocking piece;
the buckling units are arranged on two sides of the reset plate and comprise two clamping pieces for buckling and fixing the jack box body on the bus duct, one end of each clamping piece is hinged with the reset plate, the other end of each clamping piece extends out of the jack box body, and each clamping piece is provided with a clamping hook connected with a clamping groove on the bus duct;
when the external handle drives the rotating interlocking piece to rotate, the reset plate forces the clamping hook to rotate towards the direction far away from the clamping groove; when the reset plate is pushed by the compression spring to move towards the axial direction of the interlocking shaft, the clamping hook rotates towards the direction close to the clamping groove.
As a preferred technical solution of the jack box with the interlocking locking function, the rotating interlocking piece is arranged above the circuit breaking limiting plate, and when the circuit breaking limiting plate is located at the closing end of the guide rail, the circuit breaking limiting plate blocks the rotating interlocking piece from rotating; when the circuit breaking limiting plate is positioned at the opening end of the guide rail, the circuit breaking limiting plate does not block the rotation of the rotating interlocking piece.
As an optimal technical scheme of the jack box with the linkage locking function, a positioning plate perpendicular to a box cover is further arranged in the jack box, the positioning plate is parallel to the movement direction of a door lock operating part, the door lock operating part is provided with a lock tongue arranged along the radial direction of a door lock poke rod, and the lock tongue is clamped into a lock groove in the positioning plate to limit the opening of the box cover.
As a preferred technical scheme of the jack box with the linkage locking function, the jack box further comprises a clamping component for fastening and fixing the jack box body on the bus duct, wherein the clamping component comprises a jack box mounting plate with a locking hole, a fixed locking pin arranged on a box body bottom plate and a fixed bayonet lock for limiting the movement of the jack box mounting plate, one end of the jack box mounting plate is hinged with the bus duct through a first rotating shaft, and the other end of the jack box mounting plate is fixed on the bus duct through the fixed bayonet lock which is sequentially clamped into the locking hole and the bus duct; the fixed lock pin is provided with a clamping groove which enables the plug box body to rotate relative to a second rotating shaft on the plug box mounting plate, and the plug box mounting plate is hinged with a rotating buckle which is matched with the fixed lock pin to limit the fixed clamp pin to move.
Compared with the prior art, the invention has the beneficial effects that:
according to the jack box with the linkage locking function, the switching-on and switching-off operation of the circuit breaker and the buckling operation of the jack box and the bus duct are interlocked, so that the hot plug operation of the jack box in a charged state can be avoided, and the installation process of the jack box is safer.
Drawings
FIG. 1 is a schematic structural diagram of a jack box with a linkage locking function according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a jack box with a linkage locking function according to an embodiment of the present invention (with a box cover removed);
FIG. 3 is a front view of a jack box with interlocking locking features according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a top view of a jack box with interlocking locking features according to an embodiment of the present invention;
FIG. 6 is a bottom view of a jack box with a linkage locking feature according to an embodiment of the present invention;
FIG. 7 is a side view of a jack box with interlocking locking features according to an embodiment of the present invention;
FIG. 8 is a schematic view of an end closure plate according to an embodiment of the present invention;
FIG. 9 is a sectional view taken along line B-B of FIG. 8;
FIG. 10 is a cross-sectional view taken along line C-C of FIG. 8;
FIG. 11 is a cross-sectional view taken along line D-D of FIG. 8;
FIG. 12 is a schematic view of an end closure plate according to an embodiment of the present invention (with the alignment plate removed);
FIG. 13 is a schematic structural diagram of a handle unit according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of a positioning plate according to an embodiment of the present invention;
fig. 15 is a schematic diagram of a structure of a reset plate according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a circuit breaker according to an embodiment of the invention;
fig. 17 is a front view of a circuit breaker according to an embodiment of the present invention;
fig. 18 is a top view of a circuit breaker according to an embodiment of the present invention;
FIG. 19 is a top view of a jack box with ganged locking features (with the box cover removed) according to an embodiment of the present invention;
FIG. 20 is a sectional view taken along line E-E in FIG. 19;
FIG. 21 is a front view of the lid of the present invention;
FIG. 22 is a rear view of the lid according to the embodiment of the present invention;
FIG. 23 is a top view of the lid of the present invention;
FIG. 24 is a schematic view of an assembly of a jack box and a bus duct according to an embodiment of the invention;
FIG. 25 is a sectional view taken along line F-F in FIG. 24;
in the figure: 100. a jack box body; 101. a box body bottom plate; 102. a box cover; 103. a door lock; 200. a bus duct; 201. a jack box mounting plate; 202. a locking hole; 300. an elastic pin; 400. a circuit breaker; 401. a frame; 402. a single-pole switch; 403. a guide rail; 404. a brake separating end; 405. a switching-on end; 406. a broken circuit limiting plate; 407. a monopolar operating member; 408. a handle limiting part; 409. a handle connecting portion; 410. a monopolar operating handle; 411. a handle clamping groove; 412. a first toggle hole; 500. a door lock operator; 501. a door lock poke rod; 502. a latch bolt; 600. an end closing plate; 601. a handle unit; 602. a reset unit; 603. a fastening unit; 604. an interlock shaft; 605. an external handle; 606. a rotating interlock; 607. a reset plate; 608. a compression spring; 609. a clamping piece; 610. a hook; 700. positioning a plate; 701. locking the groove; 800. fixing the locking pin; 801. rotating the buckle; 802. fixing the bayonet lock; 803. a first rotating shaft; 804. a second rotation shaft; 805. a first clamping groove; 806. a second clamping groove.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 25, an embodiment of the present invention provides a jack box with a linkage locking function, including:
the jack box body 100 comprises a box body bottom plate 101 connected with the bus duct 200 and a box cover 102 arranged opposite to the box body bottom plate 101, and a circuit breaker 400 is arranged in the jack box body 100; the pin assembly comprises an elastic pin 300 arranged in the jack box body 100, and the end part of the elastic pin 300 extends out of the box body bottom plate 101 to be connected with the bus duct 200; the circuit breaking interlocking assembly is arranged on the circuit breaker 400 and used for interlocking the switching-on and switching-off operation process of the circuit breaker 400 with the door lock 103 of the box cover 102; the buckling interlocking component is arranged on the jack box body 100 and used for interlocking the operation process of buckling the jack box body 100 on the bus duct 200 with the circuit breaking interlocking component; and the door lock linkage assembly is arranged on the box cover 102 and is used for interlocking the locking operation process of the door lock 103 with the circuit breaking interlocking assembly and the buckling interlocking assembly and blocking the splicing box body 100 from being separated from the bus duct 200 when the circuit breaker 400 is in a closing state.
The circuit breaker 400 includes a frame 401, a plurality of single-pole switches 402 arranged in parallel, and a guide rail 403 parallel to the moving direction of the single-pole switches 402, where two ends of the guide rail 403 are an opening end 404 and a closing end 405, respectively.
The circuit breaking interlocking assembly comprises a circuit breaking limiting plate 406 moving along the guide rail 403 and a plurality of single-pole operating parts 407 matched with the single-pole switches 402 one by one, and when the circuit breaking limiting plate 406 is positioned at the closing end 405 of the guide rail 403, the single-pole operating parts 407 drive the single-pole switches 402 to perform switching-on and switching-off operations; when the circuit breaking limiting plate 406 is located at the opening end 404 of the guide rail 403, the single-pole operating component 407 is blocked from driving the single-pole switch 402 to perform the opening and closing operation; one end of the trip limiting plate 406 extends out of the circuit breaker 400 and has a first toggle hole 412.
One end of the single-pole operating part 407 is provided with a handle limiting part 408 which is clamped with the single-pole switch 402; the other end of the handle extends out of the circuit breaker 400, is provided with a handle connecting part 409 and is clamped into a handle clamping groove 411 of a single-pole operating handle 410 on the box cover 102.
The door lock linkage assembly comprises a door lock operation member 500 arranged on the box cover 102, the door lock operation member 500 is provided with a door lock poke rod 501 driving the circuit breaking limiting plate 406 to move along the guide rail 403, and the door lock poke rod 501 is connected with the circuit breaking limiting plate 406 by inserting the first poke hole 412.
The buckling and interlocking assembly comprises an end sealing plate 600, and a handle unit 601, a resetting unit 602 and a buckling unit 603 which are arranged on the end sealing plate 600, wherein the handle unit 601 is arranged to force the resetting unit 602 to move, and the buckling unit 603 is prevented from obstructing the plugging box body 100 from being buckled on the bus duct 200; the reset unit 602 is configured to force the buckling unit 603 to obstruct the jack box body 100 from separating from the bus duct 200.
The handle unit 601 includes an interlocking shaft 604, and an external handle 605 and a rotation interlocking member 606 connected to the interlocking shaft 604, and when the external handle 605 located outside the jack box body 100 is rotated, the rotation interlocking member 606 is rotated with the external handle 605 around the axis of the interlocking shaft 604;
the reset unit 602 includes a reset plate 607 driven by the rotating interlocking member 606 to move in a direction perpendicular to the axis of the interlocking shaft 604, and a pressure spring mounting assembly fixedly connected to the reset plate 607, wherein a compression spring 608 is disposed in the pressure spring mounting assembly, one end of the compression spring 608 abuts against a spring fixing plate of the reset plate 607, and the other end abuts against the bottom of the end sealing plate 600, so as to push the reset plate 607 to move in a direction of blocking the rotating interlocking member 606;
the buckling units 603 are arranged on two sides of the reset plate 607 and comprise two buckling pieces 609 for buckling and fixing the jack box body 100 on the bus duct 200, one end of each buckling piece 609 is hinged with the reset plate 607, the other end of each buckling piece 609 extends out of the jack box body 100, and each buckling piece is provided with a clamping hook 610 connected with a clamping groove on the bus duct 200;
when the external handle 605 drives the rotating interlocking member 606 to rotate, the reset plate 607 forces the hook 610 to rotate in a direction away from the slot; when the reset plate 607 is pushed by the compression spring 608 to move in the axial direction of the interlock shaft 604, the hook 610 rotates in a direction approaching the card slot.
The rotary interlock 606 is disposed above the shutdown limit plate 406, and when the shutdown limit plate 406 is located at the closing end 405 of the guide rail 403, the shutdown limit plate 406 blocks the rotary interlock 606 from rotating; when the plate 406 is located at the opening end 404 of the rail 403, the plate 406 does not block the rotation of the rotating interlock 606.
A positioning plate 700 perpendicular to the box cover 102 is further arranged in the plug-in box, the positioning plate 700 is parallel to the movement direction of the door lock operation member 500, the door lock operation member 500 is provided with a lock tongue 502 arranged along the radial direction of the door lock poke rod 501, and the lock tongue 502 is clamped into a lock groove 701 on the positioning plate 700 to limit the opening of the box cover 102.
The clamping assembly comprises a jack box mounting plate 201 with a locking hole 202, a fixed locking pin 800 arranged on a box bottom plate 101 and a fixed clamping pin 802 for limiting the movement of the jack box mounting plate 201, wherein one end of the jack box mounting plate 201 is clamped into a first rotating shaft 803 through a first clamping groove 805 at the end part so that the jack box mounting plate 201 is hinged with the bus duct 200, and the other end of the jack box mounting plate 201 is fixed on the bus duct 200 through the fixed clamping pin 802 which is sequentially clamped into the locking hole 202 and the bus duct 200; the fixing lock leg 800 has a second clamping groove 806 for enabling the jack box body 100 to rotate relative to a second rotating shaft 804 on the jack box mounting plate 201, and the jack box mounting plate 201 is hinged with a rotating buckle 801 which is matched with the fixing lock leg 800 to limit the movement of the fixing clamp 802.
This scheme its working process of jack box with linkage locking function as follows:
1. the working process of installing the jack box body 100 on the bus duct 200 is as follows:
in the installation process, firstly, installing the bus duct installation plate 201 on the bus duct 200, aligning and clamping a first clamping groove 805 of the jack box installation plate 201 with a first rotating shaft 803, rotating the jack box installation plate 201 to be parallel to the bus duct 200, sequentially inserting the fixing clamping pins 802 into the locking holes 202 and the bus duct 200 to fix the jack box installation plate 201, and rotating the rotating clamp 801 to clamp the fixing clamping pins 802; then, a second clamping groove 806 on the fixed locking pin 800 is aligned with a second rotating shaft 804 and clamped, the external handle 605 is pulled to drive the rotating interlocking piece 606 to rotate so as to force the reset plate 607 to move downwards, meanwhile, the clamping piece 609 is driven to rotate so as to enable the clamping hook 610 to rotate towards the direction far away from the clamping groove so as to avoid blocking the connection between the jack box body 100 and the bus duct 200, the jack box body 100 rotates to be parallel to the bus duct 200, meanwhile, the end part of the elastic pin 300 is connected with the bus duct 200, and at the moment, the breaking limiting plate 406 is positioned at the opening end 404 of the guide rail 403 so as to avoid the switching-on operation of the circuit breaker 400 when the; then the external handle 605 is loosened, the reset plate 607 moves upwards under the action of the resilience of the compression spring 608, and the clamping piece 609 is driven to rotate reversely, so that the clamping hook 610 rotates towards the direction close to the clamping groove, and the jack box body 100 is buckled with the bus duct 200; finally, the door lock operation member 500 moves the door lock tap lever 501 to move the shutdown position limiting plate 406 to the closing end 405 of the guide rail 403, and simultaneously, the door lock operation member 500 is rotated to enable the latch tongue 502 to be clamped into the lock slot 701 of the positioning plate 700, and at this time, the shutdown position limiting plate 406 is located below the rotation interlocking member 606 to block the rotation of the rotation interlocking member 606.
2. The working process of separating the jack box body 100 from the bus duct 200 is as follows:
firstly, the lock tongue 502 on the door lock operation piece 500 is rotated to be separated from the lock groove 701 of the positioning plate 700, and the door lock poke rod 501 is moved to drive the disconnection limiting plate 406 to move to the disconnection end 404 of the guide rail 403; at this time, because the circuit breaking limiting plate 406 is located at the opening end 404 of the guide rail 403, the single-pole switches 402 of the circuit breaker 400 are all in an opening state, so as to avoid hot plug operation of the jack box in a live state; then, the external handle 605 is pulled to drive the rotating interlocking piece 606 to rotate so as to force the reset plate 607 to move downwards, meanwhile, the clamping piece 609 is driven to rotate so as to enable the clamping hook 610 to rotate towards the direction far away from the clamping groove so as to avoid the blockage of the separation of the plug box body 100 and the bus duct 200, when the fixed locking pin 800 of the plug box body 100 rotates to form a certain angle with the bus duct 200, the elastic pin 300 is disconnected with the bus duct 200, and finally, the second clamping groove 806 is separated from the second rotating shaft 804, so that the plug box body 100 can be separated from the bus duct 200.
In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in an orientation or positional relationship based on those shown in the drawings, which are for convenience of description and simplicity of operation only, and do not indicate or imply that the structures or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Moreover, it should be understood that while the specification describes embodiments, not every embodiment is necessarily exhaustive
Having a separate embodiment, this description is given for clarity only and should be taken by those skilled in the art
The technical solutions in the embodiments can also be combined appropriately to form a structure that can be used by those skilled in the art
To understand other embodiments.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a jack box with linkage locking function which characterized in that includes:
the jack box body comprises a box body bottom plate connected with the bus duct and a box cover arranged opposite to the box body bottom plate, and a circuit breaker is arranged in the jack box body;
the plug pin assembly comprises an elastic plug pin arranged in the box body of the jack box, and the end part of the elastic plug pin extends out of the bottom plate of the box body to be connected with the bus duct;
the circuit breaking interlocking assembly is arranged on the circuit breaker and used for interlocking the switching-on and switching-off operation process of the circuit breaker with the door lock of the box cover;
the buckling interlocking component is arranged on the jack box body and used for interlocking the operation process of buckling the jack box body on the bus duct with the circuit breaking interlocking component;
the door lock linkage assembly is arranged on the box cover and used for interlocking the door lock locking operation process with the circuit breaking interlocking assembly and the buckling interlocking assembly, and when the circuit breaker is in a closing state, the inserting box body is prevented from being separated from the bus duct.
2. The jack box with linkage locking function according to claim 1, characterized in that: the circuit breaker includes frame, a plurality of parallel arrangement's single pole switch and the guide rail parallel with single pole switch direction of motion, the both ends of guide rail are for separating floodgate end and closing end respectively.
3. The jack box with linkage locking function according to claim 2, characterized in that: the circuit breaking interlocking assembly comprises a circuit breaking limiting plate moving along the guide rail and a plurality of single-pole operating parts matched with the single-pole switches one by one, and when the circuit breaking limiting plate is positioned at the switching-on end of the guide rail, the single-pole operating parts drive the single-pole switches to perform switching-on and switching-off operations; when the circuit breaking limiting plate is positioned at the switching-off end of the guide rail, the single-pole operating component is blocked from driving the single-pole switch to perform switching-off and switching-on operations; one end of the circuit breaking limiting plate extends out of the circuit breaker and is provided with a first poking hole.
4. A jack box with a ganged locking function as claimed in claim 3, wherein: one end of the single-pole operating part is provided with a handle limiting part which is clamped with the single-pole switch; the other end of the handle clamping groove extends out of the breaker, and the handle clamping groove is provided with a handle connecting part and is clamped into the handle clamping groove of the single-pole operating handle on the box cover.
5. The jack box with linkage locking function according to claim 4, characterized in that: the lock linkage assembly is including locating the lock operating parts on the case lid, the lock operating parts have the drive the lock poker rod that the limiting plate that opens circuit removed along the guide rail, the lock poker rod through inserting first hole with the limiting plate connection that opens circuit.
6. The jack box with linkage locking function according to claim 5, characterized in that: the buckling interlocking assembly comprises an end sealing plate, and a handle unit, a reset unit and a buckling unit which are arranged on the end sealing plate, wherein the handle unit is arranged to force the reset unit to move, so that the buckling unit is prevented from blocking the plug box body from being buckled on the bus duct; the reset unit is arranged to force the buckling unit to block the plug box body from being separated from the bus duct.
7. The jack box with linkage locking function of claim 6, wherein: the handle unit comprises an interlocking shaft, and an external handle and a rotary interlocking piece which are connected with the interlocking shaft, wherein when the external handle positioned outside the plug box body is rotated, the rotary interlocking piece rotates around the axis of the interlocking shaft along with the external handle;
the reset unit comprises a reset plate driven by the rotating interlocking piece to move along the direction vertical to the axis of the interlocking shaft and a pressure spring mounting assembly fixedly connected with the reset plate, a compression spring is arranged in the pressure spring mounting assembly, one end of the compression spring is abutted against a spring fixing plate of the reset plate, the other end of the compression spring is abutted against the bottom of the end sealing plate, and the reset plate is pushed to move towards the direction blocking the rotation of the rotating interlocking piece;
the buckling units are arranged on two sides of the reset plate and comprise two clamping pieces for buckling and fixing the jack box body on the bus duct, one end of each clamping piece is hinged with the reset plate, the other end of each clamping piece extends out of the jack box body, and each clamping piece is provided with a clamping hook connected with a clamping groove on the bus duct;
when the external handle drives the rotating interlocking piece to rotate, the reset plate forces the clamping hook to rotate towards the direction far away from the clamping groove; when the reset plate is pushed by the compression spring to move towards the axial direction of the interlocking shaft, the clamping hook rotates towards the direction close to the clamping groove.
8. The jack box with linkage locking function according to claim 7, characterized in that: the rotating interlocking piece is arranged above the circuit breaking limiting plate, and when the circuit breaking limiting plate is positioned at the closing end of the guide rail, the circuit breaking limiting plate blocks the rotating interlocking piece from rotating; when the circuit breaking limiting plate is positioned at the opening end of the guide rail, the circuit breaking limiting plate does not block the rotation of the rotating interlocking piece.
9. The jack box with linkage locking function according to claim 5, characterized in that: the plug-in box is also internally provided with a positioning plate perpendicular to the box cover, the positioning plate is parallel to the movement direction of the door lock operating part, the door lock operating part is provided with a spring bolt arranged along the radial direction of the door lock poke rod, and the spring bolt is clamped into a lock groove on the positioning plate to limit the opening of the box cover.
10. The jack box with linkage locking function according to claim 1, characterized in that: the clamping assembly comprises a jack box mounting plate with a locking hole, a fixed locking pin arranged on a box bottom plate and a fixed clamping pin for limiting the movement of the jack box mounting plate, one end of the jack box mounting plate is hinged with the bus duct through a first rotating shaft, and the other end of the jack box mounting plate is fixed on the bus duct through the fixed clamping pin which is sequentially clamped into the locking hole and the bus duct; the fixed lock pin is provided with a clamping groove which enables the plug box body to rotate relative to a second rotating shaft on the plug box mounting plate, and the plug box mounting plate is hinged with a rotating buckle which is matched with the fixed lock pin to limit the fixed clamp pin to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240482.XA CN112420419B (en) | 2020-11-09 | 2020-11-09 | Plug box with linkage locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240482.XA CN112420419B (en) | 2020-11-09 | 2020-11-09 | Plug box with linkage locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112420419A true CN112420419A (en) | 2021-02-26 |
| CN112420419B CN112420419B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011240482.XA Active CN112420419B (en) | 2020-11-09 | 2020-11-09 | Plug box with linkage locking function |
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| Country | Link |
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| CN (1) | CN112420419B (en) |
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| CN112838543A (en) * | 2021-03-29 | 2021-05-25 | 江苏亿能电气有限公司 | Novel bus plugging box |
| FR3124033A1 (en) * | 2021-06-14 | 2022-12-16 | Schneider Electric Industries Sas | Junction box for busbars |
| FR3124031A1 (en) * | 2021-06-14 | 2022-12-16 | Schneider Electric Industries Sas | Junction box for busbars |
| FR3124032A1 (en) * | 2021-06-14 | 2022-12-16 | Schneider Electric Industries Sas | Junction box for busbars |
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| CN211208283U (en) * | 2019-10-29 | 2020-08-07 | 威腾电气集团股份有限公司 | Jack box circuit breaker closes separating brake interlock and jack box |
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| JP2010115002A (en) * | 2008-11-06 | 2010-05-20 | Toshiba Corp | Interlock device of metal-enclosed switch gear |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838543A (en) * | 2021-03-29 | 2021-05-25 | 江苏亿能电气有限公司 | Novel bus plugging box |
| CN112838543B (en) * | 2021-03-29 | 2022-04-19 | 江苏亿能电气有限公司 | Bus plugging box |
| FR3124033A1 (en) * | 2021-06-14 | 2022-12-16 | Schneider Electric Industries Sas | Junction box for busbars |
| FR3124031A1 (en) * | 2021-06-14 | 2022-12-16 | Schneider Electric Industries Sas | Junction box for busbars |
| FR3124032A1 (en) * | 2021-06-14 | 2022-12-16 | Schneider Electric Industries Sas | Junction box for busbars |
| EP4106120A1 (en) | 2021-06-14 | 2022-12-21 | Schneider Electric Industries SAS | Junction box for busbars |
| EP4106122A1 (en) * | 2021-06-14 | 2022-12-21 | Schneider Electric Industries SAS | Tap-off box for busbars |
| EP4106121A1 (en) * | 2021-06-14 | 2022-12-21 | Schneider Electric Industries SAS | Tap-off box for busbars |
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|---|---|
| CN112420419B (en) | 2023-05-12 |
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