CN111262166B - Drawer interlocking mechanism - Google Patents
Drawer interlocking mechanism Download PDFInfo
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- CN111262166B CN111262166B CN202010241501.4A CN202010241501A CN111262166B CN 111262166 B CN111262166 B CN 111262166B CN 202010241501 A CN202010241501 A CN 202010241501A CN 111262166 B CN111262166 B CN 111262166B
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- Prior art keywords
- trigger
- plate
- locking
- push rod
- unlocking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The application discloses a drawer interlocking mechanism which comprises a base, an opening and closing interlocking mechanism and an unlocking mechanism, wherein the unlocking mechanism comprises an unlocking push rod, the opening and closing interlocking mechanism comprises a closing support plate, an unlocking baffle plate, an opening and closing hook plate, the opening and closing support plate is provided with a vertical portion, the middle of the vertical portion is provided with an avoidance port, the vertical portion is erected on the unlocking push rod through the avoidance port, the unlocking baffle plate is arranged on the closing support plate in a sliding vertical sliding mode, the unlocking baffle plate is provided with a connecting portion, a first locking portion and a second locking portion which extend downwards, the opening and closing hook plate is rotatably arranged on the vertical portion, the opening and closing hook plate is provided with an arc-shaped slide rail and an operation hole through which a square rod passes, and the connecting portion is in sliding fit with the arc-shaped slide rail. The middle part of the switch-on support plate is erected on the unlocking push rod, so that the switch-on and switch-off interlocking mechanism and the unlocking mechanism are combined in one area, the structure is compact, and the volume can be effectively reduced.
Description
Technical Field
The invention relates to the field of electrical cabinets, in particular to a drawer interlocking mechanism.
Background
The draw-out low-voltage power distribution cabinet (drawer type electrical cabinet) has the advantages of space saving, reliable operation, convenient installation and maintenance, strong breaking capacity, multiple outgoing lines loops and the like, and is widely applied to power distribution systems of power plants, power substations, factories and mining enterprises, high-rise buildings and other application occasions. The power distribution cabinet is mainly used for converting, distributing and controlling electric energy of power distribution equipment, motor control equipment and lighting lamp distribution equipment.
The drawer interlocking mechanism of the drawer type electric cabinet comprises an opening and closing interlocking mechanism and an unlocking mechanism, and the opening and closing interlocking mechanism and the unlocking mechanism are arranged in parallel, so that the whole drawer interlocking mechanism is not compact enough and has larger volume.
Disclosure of Invention
The invention provides a drawer interlocking mechanism aiming at the problems.
The technical scheme adopted by the invention is as follows:
The utility model provides a drawer interlocking device, includes base and installs the divide-shut brake interlocking device and the unlocking mechanism on the base, unlocking mechanism includes:
the locking plate is arranged on the base in a sliding manner and is used for being matched with an external structure to lock or unlock the base;
The first spring is used for being matched with the locking plate, so that the locking plate has a movement trend of moving towards the lower end;
The locking device comprises a base, an unlocking push rod, a locking device and a locking device, wherein the unlocking push rod is slidably arranged on the base and is provided with a matching part and a locking groove, the matching part is used for being matched with a locking plate, and the unlocking push rod is provided with a first working position and a second working position;
The second spring is used for being matched with the unlocking push rod, and returning to the first working position when the unlocking push rod is not subjected to external force;
the opening and closing interlocking mechanism comprises:
The switching-on support plate is provided with a vertical part and a horizontal part positioned at the lower end of the vertical part, the horizontal part is fixed on the base, the middle part of the vertical part is provided with an avoidance port, and the vertical part is erected on the unlocking push rod through the avoidance port;
the unlocking baffle is arranged on the closing support plate in a sliding and vertical sliding mode, and is provided with a connecting part, a first locking part which extends downwards and is used for penetrating out of the bottom plate, and a second locking part which is matched with the locking groove, and when the unlocking push rod is in a first working position, the locking groove corresponds to the second locking part and can be locked by the second locking part;
the opening and closing hook plate is rotatably installed on the vertical portion and is provided with an arc-shaped slide rail and an operation hole through which a square rod passes, and the connecting portion is in sliding fit with the arc-shaped slide rail.
The middle part of the switch-on support plate is erected on the unlocking push rod, so that the switch-on and switch-off interlocking mechanism and the unlocking mechanism are combined in one area, the structure is compact, and the volume can be effectively reduced.
The unlocking push rod is in a first working position in an initial state, the lower end of the locking plate penetrates out of the base to be matched with an external structure, the base is limited, the lower end of the first locking part of the unlocking baffle plate also penetrates out of the base to be matched with the external structure, the base is limited, the second locking part is inserted into the locking groove, the unlocking push rod cannot be pressed, when the opening and closing hook plate is operated to rotate, the unlocking baffle plate is driven to move upwards, the first locking part is separated from the external structure, the second locking part is separated from the locking groove, the unlocking push rod can be pressed at the moment, and when the unlocking push rod is pressed, the unlocking push rod can be switched from the first working position to the second working position.
The opening and closing interlocking mechanism is simple in structure, and the connecting part can be driven by rotating the opening and closing hook plate, so that the unlocking baffle plate moves up and down, and the first locking part and the second locking part can unlock or lock the corresponding structure of the hand-operated interlocking device.
In an embodiment of the invention, the unlocking baffle plate is provided with a plurality of vertical holes which are vertically arranged, and the opening and closing interlocking mechanism further comprises a first screw which is screwed on the vertical part and passes through the corresponding vertical hole.
In one embodiment of the invention, the connecting portion has a threaded hole, and the opening/closing interlocking mechanism further includes a second screw, and the second screw passes through the arc-shaped slideway to be connected with the threaded hole of the connecting portion.
In an embodiment of the invention, the horizontal portion has a limiting hole through which the first locking portion passes.
In an embodiment of the invention, the second locking portion is a clamping groove.
In one embodiment of the present invention, the multi-station stand further comprises a multi-station stand mounted on the base, the multi-station stand comprising:
the frame body is a plastic piece and is provided with an electric operation position mounting hole, a connecting position mounting hole and a test position mounting hole, and two mounting cavities are arranged between the connecting position mounting hole and the test position mounting hole;
the first micro switch is used for being arranged in the electric operation position mounting hole;
the second micro switch is arranged in the connecting position mounting hole or the test position mounting hole;
And the triggering component is arranged in the mounting cavity close to the second micro switch and is used for being matched with the second micro switch to trigger the second micro switch.
In one embodiment of the present invention, the triggering component includes:
The trigger rod is slidably arranged in the mounting cavity, the lower end of the trigger rod penetrates out of the frame body, and the upper end of the trigger rod is used for being matched with a switch key of a corresponding micro switch;
and the trigger spring is arranged in the mounting cavity and matched with the trigger rod, and is used for enabling the trigger rod to have a movement trend of downward movement.
In one embodiment of the present invention, the upper end of the trigger lever has an inclined plane, and the inclined plane is matched with the switch key of the corresponding micro switch.
The switch key of the micro switch can be matched with the switch key of the micro switch better through the inclined plane.
In one embodiment of the invention, the device further comprises a third micro switch, wherein the second micro switch and the third micro switch are respectively arranged in the connecting position mounting hole and the test position mounting hole, two trigger components are respectively arranged in the two mounting cavities, and the two trigger components are respectively matched with the second micro switch and the third micro switch to trigger the corresponding micro switches.
In one embodiment of the present invention, the unlocking push rod has a triggering portion, and when the unlocking push rod is in the second working position, the unlocking push rod is pressed to move, and the triggering portion is used for being matched with the first micro switch to trigger the first micro switch.
In one embodiment of the present invention, the frame body has three position marks corresponding to the electric operation position mounting hole, the connection position mounting hole and the test position mounting hole, respectively.
In one embodiment of the invention, the frame body is provided with two mounting grooves, the frame body further comprises a clamping piece clamped above the mounting grooves, the clamping piece is provided with hollow parts corresponding to the two mounting grooves respectively, the mounting grooves and the clamping piece form two mounting cavities, and at least one hollow part is provided with a blocking net.
When an installation cavity is idle, the shielding effect can be achieved through the shielding net, and sundries are prevented from falling into the lower end of the frame body through the hollow part. When the trigger assembly is required to be installed in both installation cavities, the blocking net can be broken only by pressing the frame body with force at the moment, and the frame body is separated from the hollow part.
In one embodiment of the present invention, the display device further comprises an indication assembly mounted on the base, the indication assembly comprising:
the middle part of the indication crank arm is rotatably arranged on the base through the rotating shaft, one end of the indication crank arm penetrates out of the base and is provided with a pressed part, and the other end of the indication crank arm is an indication end;
The indication bracket is fixed at the indication end and is provided with a plurality of indication marks;
The indication torsional spring is arranged on the base and is matched with the indication crank arm to reset the indication crank arm.
In one embodiment of the invention, the switch comprises a positioning piece, a trigger rod and a switch button, wherein the positioning piece is used for being fixed on a baffle plate of an electrical cabinet and is provided with two trigger grooves, the two trigger grooves are respectively corresponding to the lower ends of the two installation cavities, the trigger grooves are provided with trigger convex surfaces, and the trigger convex surfaces are used for being matched with the trigger rod so that the trigger rod can move upwards against the elastic force of a trigger spring to trigger the switch button of the micro switch;
the positioning piece is also provided with a pressing surface matched with the pressing part, and the pressing surface drives the pressing part to drive the indicating crank arm to rotate.
In one embodiment of the present invention, the locking plate is provided with a compression column, the matching portion is a driving surface, and after the unlocking push rod is pressed and moved, the matching portion is matched with the compression column to drive the locking plate to move upwards. Through the cooperation of driving surface and pressurized post, make things convenient for the unblock push rod to be driven the locking plate and upwards remove after being promoted.
In one embodiment of the invention, the base is provided with an L-shaped plate, the L-shaped plate comprises a vertical plate and a horizontal plate positioned at the upper end of the vertical plate, the upper end of the locking plate is slidably arranged on the horizontal plate, the first spring is sleeved on the upper part of the locking plate, the upper end of the first spring abuts against the horizontal plate, and the vertical plate is provided with a strip-shaped vertical hole for the end part of the compression column to pass through. The pressed post and the locking plate can be further limited through the strip-shaped vertical holes, and the structure is more reliable during movement. The L-shaped plate is convenient for the reliable stress of the locking plate.
In one embodiment of the invention, the vertical plate has a bar-shaped vertical hole through which the end of the compression column passes. The pressed post and the locking plate can be further limited through the strip-shaped vertical holes, and the structure is more reliable during movement.
In one embodiment of the present invention, the base has a vertical portion, one end of the unlocking push rod is slidably disposed on the vertical portion, the second spring is sleeved on one end of the unlocking push rod adjacent to the vertical portion, and one end of the second spring abuts against the vertical portion. The vertical part is arranged to facilitate the installation of the unlocking push rod and the second spring.
The invention has the beneficial effects that the middle part of the switch-on support plate is erected on the unlocking push rod, so that the switch-on and switch-off interlocking mechanism and the unlocking mechanism are combined in one area, the structure is compact, and the volume can be effectively reduced.
Drawings
FIG. 1 is a schematic view of a drawer interlock mechanism;
FIG. 2 is a schematic illustration of the drawer interlock mechanism with the multi-station bracket removed;
FIG. 3 is a schematic view of the drawer interlock mechanism at an alternative angle with the multi-station rack removed;
FIG. 4 is a schematic view of a positioning member;
FIG. 5 is a schematic view of a frame;
FIG. 6 is a schematic view of another angle of the frame;
FIG. 7 is a schematic view of a multi-station rack;
FIG. 8 is a top view of a multi-station rack;
FIG. 9 is a schematic view of another angle of the multi-station rack;
FIG. 10 is a cross-sectional view A-A of FIG. 8;
FIG. 11 is a schematic view of a second microswitch and trigger assembly;
fig. 12 is a schematic view of a drawer interlock mechanism of embodiment 2.
The reference numerals in the drawings are as follows:
1. A base; 2, an indication assembly; 3, an opening and closing interlocking mechanism; 4, a multi-station bracket, 5, an unlocking mechanism, 6, a positioning piece, 7, a trigger slot, 8, a trigger convex surface, 9, an indication crank arm, 10, a rotating shaft, 11, a pressed part, 12, an indication end, 13, a avoidance port, 14, an indication bracket, 15, an indication mark, 16, an indication torsion spring, 17, a switch-on bracket plate, 18, a vertical part, 19, a horizontal part, 20, an unlocking baffle plate, 21, a first locking part, 22, a second locking part, 23, a switch-on hook plate, 24, an arc-shaped slideway, 25, an operation hole, 26, a connecting part, 27, a vertical hole, 28, a first screw, 29, a second screw, 31, a locking plate, 32, a first spring, 33, an unlocking push rod, 34, a locking slot, 35, a second spring, 36, a pressed column, 37, an L-shaped plate, 38, a vertical plate, 39, a horizontal plate, 40, a strip-shaped vertical hole, 41, a vertical part, 42, a pressing surface, 43, a trigger part, 45, a limit hole, 58, a bracket body, 59, a mounting hole, 60, a connection position mounting hole, 61, 62, a first switch, a lock tab, 32, a first spring, 33, an unlocking push rod, 34, a locking groove, 35, a locking groove, a 35, a second spring, a locking groove, a locking position, a spring, a locking position, a spring, a locking, a lifting position, a lifting, a lifting position, a lifting, a lifting, a.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1,2 and 3, a drawer interlocking mechanism includes a base 1 and an opening and closing interlocking mechanism 3 and an unlocking mechanism 5 mounted on the base 1, the unlocking mechanism 5 includes:
The locking plate 31 is slidably arranged on the base 1, and the locking plate 31 is used for being matched with an external structure to lock or unlock the base 1;
a first spring 32 for cooperating with the locking piece 31 to make the locking piece 31 have a movement tendency to move toward the lower end;
The unlocking push rod 33 is slidably arranged on the base 1, the unlocking push rod 33 is provided with a matching part and a locking groove 34, the matching part is used for being matched with the locking plate 31, the unlocking push rod 33 is provided with a first working position and a second working position, when the unlocking push rod 33 is in the first working position, the lower end of the locking plate 31 penetrates through the base 1 to enable the base 1 to be positioned with an external structure, when the unlocking push rod 33 is in the second working position, the unlocking push rod 33 is pressed to move, and the matching part drives the locking plate 31 to move upwards, so that the base 1 is not positioned with the external structure any more;
the second spring 35 is configured to cooperate with the unlocking push rod 33, and return to the first working position when the unlocking push rod 33 is not subjected to external force;
The opening and closing interlocking mechanism 3 includes:
the closing support plate 17 is provided with a vertical part 18 and a horizontal part 19 positioned at the lower end of the vertical part 18, the horizontal part 19 is fixed on the base 1, the middle part of the vertical part 18 is provided with an avoidance port 13, and the vertical part 18 is erected on the unlocking push rod 33 through the avoidance port 13;
The unlocking baffle 20 is arranged on the closing support plate 17 in a sliding vertical sliding manner, the unlocking baffle 20 is provided with a connecting part 26, a first locking part 21 which downwards extends to penetrate out of the bottom plate and a second locking part 22 which is matched with the locking groove 34, and when the unlocking push rod 33 is in a first working position, the locking groove 34 corresponds to the second locking part 22 and can be locked by the second locking part 22;
The opening and closing hook plate 23 is rotatably installed on the vertical portion 18, the opening and closing hook plate 23 is provided with an arc-shaped slide 24 and an operation hole 25 through which a square rod passes, and the connecting portion 26 is in sliding fit with the arc-shaped slide 24.
The middle part of the switch-on support plate 17 is erected on the unlocking push rod 33, so that the switch-on and switch-off interlocking mechanism 3 and the unlocking mechanism 5 are combined in a region, the structure is compact, and the volume can be effectively reduced.
In the initial state, the unlocking push rod 33 is in the first working position, at the moment, the lower end of the locking plate 31 penetrates out of the base 1 to be matched with an external structure to limit the base 1, the lower end of the first locking part 21 of the unlocking baffle 20 also penetrates out of the base 1 to be matched with the external structure to limit the base 1, the second locking part 22 is inserted into the locking groove 34 to enable the unlocking push rod 33 not to be pressed, when the opening and closing hook plate 23 is operated to rotate to drive the unlocking baffle 20 to move upwards, the first locking part 21 is separated from the external structure, the second locking part 22 is separated from the locking groove 34, at the moment, the unlocking push rod 33 can be pressed, and when pressed, the unlocking push rod 33 can be switched from the first working position to the second working position.
In this embodiment, the second locking portion 22 is a slot. The opening and closing interlocking mechanism 3 is simple in structure, and the connecting part 26 can be driven to move up and down by rotating the opening and closing hook plate 23, so that the first locking part 21 and the second locking part 22 can unlock or lock the corresponding structure of the hand-operated interlocking device.
As shown in fig. 1, 2 and 3, in the present embodiment, the unlocking baffle 20 has a plurality of vertical holes 27 disposed vertically, and the opening/closing interlocking mechanism 3 further includes a first screw 28, where the first screw 28 is screwed on the vertical portion 18 and passes through the corresponding vertical hole 27.
In this embodiment, the connecting portion 26 has a threaded hole, and the opening/closing interlocking mechanism 3 further includes a second screw 29, where the second screw 29 passes through the arc chute 24 and is connected with the threaded hole of the connecting portion 26.
As shown in fig. 1 and 3, in the present embodiment, the horizontal portion 19 has a limiting hole 45 through which the first locking portion 21 passes.
As shown in fig. 1, 5, 6, 7, 8, 9, 10 and 11, in this embodiment, the multi-station stand 4 is further included in the base 1, and the multi-station stand 4 includes:
The frame 58 is a plastic piece and is provided with an electric operation position mounting hole 59, a connecting position mounting hole 60 and a test position mounting hole 61, and the frame 58 is provided with two mounting cavities 62 between the connecting position mounting hole 60 and the test position mounting hole 61;
a first microswitch 63 for mounting in the electric operating position mounting hole 59;
A second micro switch 64 for being mounted in the connection site mounting hole 60 or the test site mounting hole 61;
And a triggering component 65, which is installed in the installation cavity 62 near the second micro switch 64 and is used for being matched with the second micro switch 64 to trigger the second micro switch 64.
As shown in fig. 10 and 11, in the present embodiment, the triggering component 65 includes:
The trigger rod 66 is slidably arranged in the mounting cavity 62, the lower end of the trigger rod 66 penetrates out of the frame body 58, and the upper end of the trigger rod 66 is used for being matched with a switch key 67 of a corresponding micro switch;
A trigger spring 68 is mounted in the mounting cavity 62 and cooperates with the trigger lever 66 for biasing the trigger lever 66 in a downward direction.
In this embodiment, the upper end of the trigger lever 66 has an inclined surface 69, and the inclined surface 69 cooperates with the switch key 67 of the corresponding micro switch.
The bevel 69 can be better matched with the switch key 67 of the micro switch.
In other embodiments, the multi-station support 4 further includes a third micro switch, where the second micro switch 64 and the third micro switch are respectively installed in the connection position installation hole 60 and the test position installation hole 61, two trigger components 65 are respectively installed in the two installation cavities 62, and the two trigger components 65 are respectively matched with the second micro switch 64 and the third micro switch to trigger the corresponding micro switches.
As shown in fig. 3, in the present embodiment, the unlocking push rod 33 has a triggering portion 43, and when the unlocking push rod 33 is in the second working position, the unlocking push rod 33 is pressed to move, and the triggering portion 43 is used to cooperate with the first micro switch 63 to trigger the first micro switch 63.
As shown in fig. 1, in the present embodiment, the frame 58 has three position marks 72, and the three position marks 72 correspond to the electric operation position mounting hole 59, the connection position mounting hole 60, and the test position mounting hole 61, respectively.
As shown in fig. 5 and 10, in the present embodiment, the frame 58 has two mounting grooves 73, the frame 58 further includes a clip 74 that is clipped above the mounting grooves 73, the clip 74 has hollow portions 75 corresponding to the two mounting grooves 73, the mounting grooves 73 and the clip 74 form two mounting cavities 62, and at least one hollow portion 75 has a blocking net 76.
When one of the mounting chambers 62 is idle, shielding can be achieved by the screen 76 to prevent debris from falling into the lower end of the frame 58 through the hollow 75. When both mounting cavities 62 are required to mount the trigger assembly 65, the retainer 76 is broken by pressing with force to disengage from the hollow 75 because the frame 58 is a plastic member.
As shown in fig. 1, 2 and 3, in this embodiment, the display device further includes a display device 2 mounted on the base 1, and the display device 2 includes:
the middle part of the indicating crank arm 9 is rotatably arranged on the base 1 through a rotating shaft 10, one end of the indicating crank arm 9 penetrates out of the base 1 and is provided with a pressure receiving part 11, and the other end is provided with an indicating end 12;
the indication bracket 14 is fixed at the indication end 12, and a plurality of indication marks 15 are arranged on the indication bracket 14;
and the indication torsion spring 16 is arranged on the base 1 and is used for being matched with the indication crank arm 9 to reset the indication crank arm 9.
As shown in fig. 4, in this embodiment, the drawer interlocking mechanism further includes a positioning member 6 for being fixed on the partition board of the electrical cabinet, the positioning member 6 has two trigger grooves 7, the two trigger grooves 7 respectively correspond to the lower ends of the two mounting cavities 62, the trigger grooves 7 have trigger convex surfaces 8, the trigger convex surfaces 8 are used for being matched with the trigger rods 66, so that the trigger rods 66 move upwards against the elastic force of the trigger springs 68, and the switch keys 67 of the micro-switches are triggered;
The positioning piece 6 is also provided with a pressing surface 42 matched with the pressed part 11, and the pressed part 11 is driven to rotate by the pressing surface 42 to drive the indicating crank arm 9.
As shown in fig. 2 and 3, in this embodiment, the locking plate 31 is provided with a compression column 36, the mating portion is a driving surface, and after the unlocking push rod 33 is moved under compression, the mating portion mates with the compression column 36 to drive the locking plate 31 to move upwards. The lock plate 31 is driven to move upwards after the unlocking push rod 33 is pushed by the cooperation of the driving surface and the compression column 36.
As shown in fig. 2 and 3, in the present embodiment, the base 1 has an L-shaped plate 37, the L-shaped plate 37 includes a vertical plate 38 and a horizontal plate 39 located at an upper end of the vertical plate 38, an upper end of the locking plate 31 is slidably disposed on the horizontal plate 39, the first spring 32 is sleeved on an upper portion of the locking plate 31 and an upper end abuts against the horizontal plate 39, and the vertical plate 38 has a bar-shaped vertical hole 40 through which an end portion of the compression column 36 passes. The bar-shaped vertical hole 40 can further limit the compression column 36 and the locking plate 31, and the structure is more reliable in movement. The L-shaped plate 37 is arranged to facilitate the reliable stress of the locking plate 31.
As shown in fig. 2 and 3, in this embodiment, the vertical plate 38 has a bar-shaped vertical hole 40 through which the end of the compression column 36 passes. The bar-shaped vertical hole 40 can further limit the compression column 36 and the locking plate 31, and the structure is more reliable in movement.
As shown in fig. 2 and 3, in the present embodiment, the base 1 has a vertical portion 41, one end of the unlocking push rod 33 is slidably disposed on the vertical portion 41, the second spring 35 is sleeved on one end of the unlocking push rod 33 adjacent to the vertical portion 41, and one end of the second spring 35 abuts against the vertical portion 41. Providing the upright portion 41 facilitates installation of the unlocking push rod 33 and the second spring 35.
Example 2
As shown in fig. 12, there is another arrangement of drawer interlocking mechanisms.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover all equivalent structures as modifications within the scope of the invention, either directly or indirectly, as may be contemplated by the present invention.
Claims (8)
1. The utility model provides a drawer interlocking device which characterized in that includes base and installs the divide-shut brake interlocking device and the unlocking mechanism on the base, unlocking mechanism includes:
the locking plate is arranged on the base in a sliding manner and is used for being matched with an external structure to lock or unlock the base;
The first spring is used for being matched with the locking plate, so that the locking plate has a movement trend of moving towards the lower end;
The locking device comprises a base, an unlocking push rod, a locking device and a locking device, wherein the unlocking push rod is slidably arranged on the base and is provided with a matching part and a locking groove, the matching part is used for being matched with a locking plate, and the unlocking push rod is provided with a first working position and a second working position;
The second spring is used for being matched with the unlocking push rod, and returning to the first working position when the unlocking push rod is not subjected to external force, and the opening and closing interlocking mechanism comprises:
The switching-on support plate is provided with a vertical part and a horizontal part positioned at the lower end of the vertical part, the horizontal part is fixed on the base, the middle part of the vertical part is provided with an avoidance port, and the vertical part is erected on the unlocking push rod through the avoidance port;
the unlocking baffle is arranged on the closing support plate in a sliding and vertical sliding mode, and is provided with a connecting part, a first locking part which extends downwards and is used for penetrating out of the bottom plate, and a second locking part which is matched with the locking groove, and when the unlocking push rod is in a first working position, the locking groove corresponds to the second locking part and can be locked by the second locking part;
the opening and closing hook plate is rotatably installed on the vertical part and is provided with an arc-shaped slideway and an operation hole through which the square rod passes, and the connecting part is in sliding fit with the arc-shaped slideway;
The locking plate is provided with a compression column, the matching part is a driving surface, and after the unlocking push rod is pressed and moved, the matching part is matched with the compression column to drive the locking plate to move upwards;
The base is provided with a vertical part, one end of the unlocking push rod is arranged on the vertical part in a sliding mode, the second spring is sleeved on one end, adjacent to the vertical part, of the unlocking push rod, and one end of the second spring abuts against the vertical part.
2. The drawer interlocking mechanism of claim 1 further comprising a multi-station mount mounted to the base, the multi-station mount comprising:
the frame body is a plastic piece and is provided with an electric operation position mounting hole, a connecting position mounting hole and a test position mounting hole, and two mounting cavities are arranged between the connecting position mounting hole and the test position mounting hole;
the first micro switch is used for being arranged in the electric operation position mounting hole;
the second micro switch is arranged in the connecting position mounting hole or the test position mounting hole;
And the triggering component is arranged in the mounting cavity close to the second micro switch and is used for being matched with the second micro switch to trigger the second micro switch.
3. The drawer interlocking mechanism of claim 2 wherein the trigger assembly comprises:
The trigger rod is slidably arranged in the mounting cavity, the lower end of the trigger rod penetrates out of the frame body, and the upper end of the trigger rod is used for being matched with a switch key of a corresponding micro switch;
and the trigger spring is arranged in the mounting cavity and matched with the trigger rod, and is used for enabling the trigger rod to have a movement trend of downward movement.
4. The drawer interlocking mechanism of claim 2 wherein the unlocking push rod has a trigger portion, the unlocking push rod is moved under pressure when in the second working position, and the trigger portion is used for being matched with the first micro switch to trigger the first micro switch.
5. The drawer interlocking mechanism of claim 2 wherein the frame has three position indicators corresponding to the electrical operator mounting hole, the connector mounting hole, and the test position mounting hole, respectively, wherein the frame has two mounting slots, the frame further comprises a clip member snapped over the mounting slots, the clip member has hollow portions corresponding to the two mounting slots, respectively, the mounting slots and clip member form two mounting cavities, and at least one hollow portion has a blocking net.
6. The drawer interlocking mechanism of claim 2 further comprising an indicator assembly mounted to the base, the indicator assembly comprising:
the middle part of the indication crank arm is rotatably arranged on the base through the rotating shaft, one end of the indication crank arm penetrates out of the base and is provided with a pressed part, and the other end of the indication crank arm is an indication end;
The indication bracket is fixed at the indication end and is provided with a plurality of indication marks;
The indication torsional spring is arranged on the base and is matched with the indication crank arm to reset the indication crank arm.
7. The drawer interlocking mechanism of claim 6, further comprising a positioning piece for being fixed on the partition board of the electrical cabinet, wherein the positioning piece is provided with two trigger grooves, the two trigger grooves are respectively corresponding to the lower ends of the two mounting cavities, the trigger grooves are provided with trigger convex surfaces, and the trigger convex surfaces are used for being matched with the trigger rods, so that the trigger rods move upwards against the elastic force of the trigger springs, and the switch keys of the micro-switches are triggered;
the positioning piece is also provided with a pressing surface matched with the pressing part, and the pressing surface drives the pressing part to drive the indicating crank arm to rotate.
8. The drawer interlocking mechanism of claim 1 wherein the base has an L-shaped plate comprising a vertical plate and a horizontal plate at an upper end of the vertical plate, the upper end of the locking tab is slidably disposed on the horizontal plate, the first spring is sleeved on the upper portion of the locking tab and the upper end abuts against the horizontal plate, and the vertical plate has a bar-shaped vertical hole through which the end of the compression column passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010241501.4A CN111262166B (en) | 2020-03-31 | 2020-03-31 | Drawer interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010241501.4A CN111262166B (en) | 2020-03-31 | 2020-03-31 | Drawer interlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111262166A CN111262166A (en) | 2020-06-09 |
| CN111262166B true CN111262166B (en) | 2025-01-24 |
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| CN211701216U (en) * | 2020-03-31 | 2020-10-16 | 金炉电气有限公司 | Drawer interlocking mechanism |
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