CN212304447U - Low-voltage cabinet hand power is switch interlocking device for drawer - Google Patents
Low-voltage cabinet hand power is switch interlocking device for drawer Download PDFInfo
- Publication number
- CN212304447U CN212304447U CN202020505288.9U CN202020505288U CN212304447U CN 212304447 U CN212304447 U CN 212304447U CN 202020505288 U CN202020505288 U CN 202020505288U CN 212304447 U CN212304447 U CN 212304447U
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- interlocking
- plate
- pin
- bottom plate
- locking
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Abstract
The utility model relates to a low-voltage cabinet hand power is switch interlocking device for drawer, this low-voltage cabinet hand power is switch interlocking device for drawer, including bottom plate, interlocking device, locking mechanical system and position display mechanism, be equipped with interlocking device, locking mechanical system and position display mechanism on the bottom plate, interlocking device includes support frame, turning arm, interlocking lever and uide bushing, wherein support frame and uide bushing are fixed to be located on the bottom plate; the locking mechanism comprises a push rod, an interlocking plate, an interlocking shaft, a locking plate torsional spring and an interlocking pin, the push rod is hinged with the driving end of the interlocking plate through a pin, and a strip-shaped catch is arranged at the locking end of the interlocking plate; the position display mechanism comprises a mechanism positioning plate, a positioning nail, an indicating arm, an indicator, an indicating stop pin, an indicating rotating shaft, an indicating torsion spring and a hanging pin; the utility model discloses an interlocking device interlocks drawer and operating device, guarantees that the drawer just can be taken out under the separating brake state, and the security is high, is worth wideling popularize.
Description
Technical Field
The utility model belongs to the technical field of the low-voltage switchgear, concretely relates to low-voltage switchgear hand power is switch interlocking device for drawer.
Background
In modern power distribution network and engineering construction, the draw-out type low-voltage power distribution cabinet is widely applied to power distribution systems of application occasions such as power plants, substations, factories and mining enterprises and high-rise buildings. The power distribution cabinet plays an important role in power distribution, motor control and electric energy conversion, distribution and control of lighting lamp power distribution equipment. The circuit breaker in the prior drawer type switch cabinet drawer is generally operated by one hand, when the circuit breaker with electric operation is installed, the mechanical interlocking mechanism does not have the mechanical and electric interlocking operation of opening and closing the circuit breaker, and at the moment, after the drawer is inserted, the circuit breaker can be closed under the condition that the drawer is not locked; and the circuit breaker closes a floodgate after, the drawer also can be taken out, so just probably the drawer is taken out by force when the circuit breaker supplies power for consumer, and at this moment the circuit breaker does not have the separating brake, and the return circuit is through once connector disconnection during the drawer power supply, and the connector does not possess the protection of breaking a circuit, and this is very dangerous, can cause distribution equipment's damage, can shock to operating personnel when the power consumption is big, causes the casualty accident, does not accord with the relevant electric operating rules of country.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above problems and provide a high low-voltage cabinet hand power for drawer switch interlocking device of security.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a low-voltage cabinet hand power is switch interlocking device for drawer, includes bottom plate, interlocking device, locking mechanical system and position display mechanism, be equipped with interlocking device, locking mechanical system and position display mechanism on the bottom plate, interlocking device includes support frame, connecting lever, interlocking lever and uide bushing, wherein support frame and uide bushing are fixed to be located on the bottom plate, the support frame passes through the inserted bar seat and connects the connecting lever, inserted bar seat and connecting lever fixed connection, the inserted bar seat rotates with the support frame to be connected, all be equipped with square through-hole on inserted bar seat and the connecting lever, the upper end of the free end of connecting lever through round pin hub connection interlocking lever, the lower extreme of interlocking lever passes behind uide bushing and the bottom plate and extends to the below of bottom plate, be equipped with the lockhole with interlocking lever clearance fit on uide bushing and the bottom plate, be equipped. The interlocking mechanism is matched with an operating rod of the operating mechanism, the operating rod is provided with a square part matched with the crank arm, the operating rod penetrates through a square through hole of the crank arm and can transmit torque to the crank arm, the operating rod rotates to drive the crank arm to rotate, so that the interlocking rod is driven to move up and down along the guide sleeve through linkage, and the lower end of the interlocking rod extends out of or retracts into the bottom plate.
The locking mechanism comprises a push rod, an interlocking plate, an interlocking shaft, a locking plate torsional spring and an interlocking pin, the push rod is hinged with the driving end of the interlocking plate through a pin, a strip-shaped blocking piece is arranged at the locking end of the interlocking plate and is positioned in a gap between the guide sleeve and the base plate, the interlocking end of the interlocking plate is provided with the interlocking pin, a waist-shaped boss is sleeved on the interlocking pin, and the waist-shaped boss is fixedly connected with the interlocking plate; an interlocking shaft is arranged at the midpoint of a connecting line between the driving end and the locking end, and the interlocking shaft is fixed on the bottom plate and is rotationally connected with the interlocking plate; the interlocking shaft is sleeved with a locking plate torsion spring, one end of the locking plate torsion spring is connected with the guide sleeve, and the other end of the locking plate torsion spring is connected with the waist-shaped boss. When the operating rod is at the switching-on position, the interlocking rod is inserted into the lock hole at the moment, the movement of the blocking piece of the interlocking plate is limited, the push rod cannot be pushed, an operator is reminded of the switching-on state of the operating mechanism, and misoperation is avoided.
When the operating rod drives the interlocking rod to be pulled out of the lock hole of the base plate through the interlocking mechanism during opening of the operating mechanism, the push rod is pushed at the moment, and the push rod drives the interlocking plate to rotate around the interlocking shaft. When the push rod is loosened, the locking plate torsion spring drives the push rod and the interlocking plate to reset.
The position display mechanism comprises a mechanism positioning plate, a positioning nail, an indicating arm, an indicator, an indicating stop pin, an indicating rotating shaft, an indicating torsion spring and a hanging pin, wherein the positioning plate is arranged below the bottom plate, a strip-shaped guide groove is formed in the middle of the positioning plate, the positioning nail is fixed on the bottom plate, the lower end of the positioning nail extends to the lower portion of the bottom plate, and the positioning nail is inserted into the strip-shaped guide groove of the positioning plate.
The locating plate of guide slot both sides is provided with two pinholes of symmetry, interlocking round pin and instruction shelves round pin are inserted respectively to these two pinholes, the one end of instructing the arm is connected to the upper end of instructing the shelves round pin, instruct the other end fixed connection indicator of arm, instruct the middle part of arm to be connected with the bottom plate through instructing the pivot, instruct the pivot and instruct the arm to rotate and be connected, it has the instruction torsional spring to instruct the epaxial cover of pivot, instruct the one end fixed connection of torsional spring to instruct the arm, on the other end fixed connection instructs the hanging pin of arm one side, hang round pin fixed connection bottom plate.
As a further optimization scheme of the utility model, the inserted bar seat is wholly cylindrical, is equipped with on the support frame with inserted bar seat clearance fit's through-hole. The rotary connection of the two is realized.
As a further optimization scheme of the utility model, be equipped with on the waist shape boss with interlocking round pin clearance fit's through-hole.
As a further optimization scheme of the utility model, the line of drive end, locking end, interlock end of interlocking board constitutes isosceles triangle.
As a further optimization scheme of the utility model, be equipped with the spacer on the interlocking plate. The locating piece is matched with the locating nail, and when the interlocking plate is located at the unlocking position, the locating plate is propped against the locating nail to limit the locking plate torsion spring to drive the locking plate to continue rotating.
As the utility model discloses a further optimization scheme, interlocking pin and instruction shelves round pin all be with locating plate fixed connection, the interlocking pin rotates with the interlocking plate to be connected, and instruction shelves round pin rotates with the instruction arm to be connected. The interlocking plate is provided with a through hole in clearance fit with the interlocking pin, the indicating arm is provided with a through hole in clearance fit with the indicating stop pin, the top ends of the interlocking pin and the indicating stop pin are also provided with limiting ends, and the diameter of each limiting end is larger than that of the through holes in the interlocking plate and the indicating arm.
As a further optimization scheme of the utility model, the one end that instructs the arm to be close to the instruction shelves round pin is equipped with the dog, is equipped with micro-gap switch on the bottom plate of one side of dog.
As the utility model discloses a further optimization scheme, the indicator is an arc piece, is equipped with three pilot mark on the arc piece, corresponds connection, experiment and separation respectively.
The beneficial effects of the utility model reside in that:
1) the utility model interlocks the drawer and the operating mechanism through the interlocking mechanism, and ensures that the drawer can be pulled out only in the opening state;
2) the utility model discloses a locking mechanical system and position display mechanism pass through the push rod inspection divide-shut brake state before opening the drawer, prevent opening of drawer under the combined floodgate state through another heavy measure, and the security is high.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention according to a first embodiment;
fig. 2 is a schematic structural diagram of the present invention in the first embodiment;
fig. 3 is a schematic structural diagram of the present invention in the first embodiment;
fig. 4 is a schematic structural diagram of the present invention in the first embodiment.
In the figure: the interlocking device comprises a base plate 1, a support frame 2, a crank arm 3, an interlocking rod 4, a guide sleeve 5, a push rod 6, an interlocking plate 7, an interlocking shaft 8, a locking plate torsion spring 9, an interlocking pin 10, a kidney-shaped boss 11, a positioning plate 12, a positioning nail 13, an indicating arm 14, an indicator 15, an indicating stop pin 16, an indicating rotating shaft 17, an indicating torsion spring 18, a hanging pin 19, a microswitch 20 and a guide groove 21.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1-3, a switch interlocking mechanism for a low-voltage cabinet hand-pulling drawer comprises a bottom plate 1, an interlocking mechanism, a locking mechanism and a position display mechanism, the bottom plate 1 is provided with an interlocking mechanism, a locking mechanism and a position display mechanism, the interlocking mechanism comprises a support frame 2, a crank arm 3, an interlocking rod 4 and a guide sleeve 5, wherein support frame 2 and uide bushing 5 are fixed to be located on bottom plate 1, support frame 2 passes through the inserted bar seat and connects connecting lever 3, inserted bar seat and connecting lever 3 fixed connection, the inserted bar seat rotates with support frame 2 to be connected, all be equipped with square through hole on inserted bar seat (not shown in the figure) and the connecting lever 3, the upper end of 4 interlocking lever is passed through the round pin hub connection to the free end of connecting lever 3, the lower extreme of interlocking lever 4 extends to the below of bottom plate 1 after passing uide bushing 5 and bottom plate 1, be equipped with on uide bushing 5 and the bottom plate 1 with 4 clearance fit's of interlocking lever lockhole, be equipped with the clearance between uide bushing 5 and the bottom plate 1. The interlocking mechanism is matched with an operating rod of the operating mechanism, the operating rod is provided with a square part matched with the crank arm 3, the operating rod penetrates through a square through hole of the crank arm 3 and can transmit torque to the crank arm 3, the operating rod rotates to drive the crank arm 3 to rotate, so that the interlocking rod is driven to move up and down along the guide sleeve 5 through linkage, and the lower end of the interlocking rod extends out of or retracts into the bottom plate 1.
The locking mechanism comprises a push rod 6, an interlocking plate 7, an interlocking shaft 8, a locking plate torsion spring 9 and an interlocking pin 10, wherein the push rod 6 is hinged to the driving end of the interlocking plate 7 through a pin, a strip-shaped blocking piece is arranged at the locking end of the interlocking plate 7 and is positioned in a gap between the guide sleeve 5 and the base plate 1, the interlocking end of the interlocking plate 7 is provided with the interlocking pin 10, a waist-shaped boss 11 is sleeved on the interlocking pin 10, and the waist-shaped boss 11 is fixedly connected with the interlocking plate 7; an interlocking shaft 8 is arranged at the midpoint of a connecting line between the driving end and the locking end, and the interlocking shaft 8 is fixed on the bottom plate 1 and is rotationally connected with an interlocking plate 7; the interlocking shaft 8 is sleeved with a locking plate torsion spring 9, one end of the locking plate torsion spring 9 is connected with the guide sleeve 5, and the other end of the locking plate torsion spring 9 is connected with the kidney-shaped boss 11. When the operating rod is at the switching-on position, the interlocking rod 4 is inserted into the lock hole at the moment, the movement of the blocking piece of the interlocking plate 7 is limited, the push rod 6 cannot be pushed, an operator is reminded of the switching-on state of the operating mechanism, and misoperation is avoided.
When the operating rod drives the interlocking rod 4 to be pulled out of the lock hole of the base plate 1 through the interlocking mechanism during opening of the operating mechanism, the push rod 6 is pushed at the moment, and the push rod 6 drives the interlocking plate 7 to rotate around the interlocking shaft 8. When the push rod 6 is loosened, the locking plate torsion spring 9 drives the push rod 6 and the interlocking plate 7 to reset.
The position display mechanism comprises a mechanism positioning plate 12, a positioning nail 13, an indicating arm 14, an indicator 15, an indicating stop pin 16, an indicating rotating shaft 17, an indicating torsion spring 18 and a hanging pin 19, wherein the positioning plate is arranged below the bottom plate 1, a strip-shaped guide groove 21 is formed in the middle of the positioning plate, the positioning nail 13 is fixed on the bottom plate 1, the lower end of the positioning nail extends to the lower side of the bottom plate 1, and the positioning nail is inserted into the strip-shaped guide groove 21 of the positioning plate.
Two pin holes are symmetrically arranged on the positioning plates on two sides of the guide groove 21, the interlocking pin 10 and the indicating stop pin 16 are respectively inserted into the two pin holes, the upper end of the indicating stop pin 16 is connected with one end of the indicating arm 14, the other end of the indicating arm 14 is fixedly connected with the indicator 15, the middle part of the indicating arm 14 is connected with the bottom plate 1 through the indicating rotating shaft 17, the indicating rotating shaft 17 is rotatably connected with the indicating arm 14, the indicating rotating shaft 17 is sleeved with the indicating torsion spring 18, one end of the indicating torsion spring 18 is fixedly connected with the indicating arm 14, the other end of the indicating torsion spring is fixedly connected with the hanging pin 19 on one side of the indicating arm 14.
Above-mentioned, the inserted bar seat is whole cylindrically, is equipped with the through-hole with inserted bar seat clearance fit on the support frame 2. The rotary connection of the two is realized.
The waist-shaped boss 11 is provided with a through hole in clearance fit with the interlocking pin 10.
The connecting lines of the driving end, the locking end and the interlocking end of the interlocking plate 7 form an isosceles triangle.
The interlock plate 7 is provided with a positioning piece. The positioning piece is matched with the positioning nail 13, and when the interlocking plate 7 is located at the unlocking position, the positioning plate is propped against the positioning nail 13 to limit the locking plate torsion spring 9 to drive the locking plate to continue rotating.
The interlocking pin 10 and the indication stopper pin 16 are both fixedly connected to the positioning plate, the interlocking pin 10 is rotatably connected to the interlocking plate 7, and the indication stopper pin 16 is rotatably connected to the indication arm 14. The interlocking plate 7 is provided with a through hole in clearance fit with the interlocking pin, the indicating arm 14 is provided with a through hole in clearance fit with the indicating stop pin 16, the top ends of the interlocking pin 10 and the indicating stop pin 16 are also provided with limiting ends, and the diameters of the limiting ends are larger than the through holes in the interlocking plate 7 and the indicating arm 14.
A stopper is provided at one end of the indicating arm 14 close to the indicating stopper pin 16, and a microswitch 20 is provided on the base plate 1 on one side of the stopper. The indicating arm 14 can trigger the micro switch 20 when rotating, and the micro switch 20 can be connected with an indicating lamp and also can be connected with a circuit board of an operating mechanism. The principle is the same as that of the microswitch 20 of the prior art drawer switch interlocking mechanism.
Above, the indicator 15 is an arc piece, and three indication marks are arranged on the arc piece and are respectively and correspondingly connected, tested and separated.
The utility model discloses a structural feature and theory of operation:
the interlocking mechanism is interlocked with the operating mechanism, and the operating rod is linked, so that the interlocking rod 4 is inserted into a lock hole on the cabinet body when the operating mechanism is switched on, and the drawer is locked;
the utility model discloses a locking mechanical system could promote push rod 6 only when combined floodgate state, avoid the maloperation, push rod 6 promotes interlocking plate 7 during the separating brake state and rotates and drive interlocking pin 10 and rotate around interlocking shaft 8, and then drive the linkage of locating plate, it rotates around instructing pivot 17 to drive instruction shelves round pin 16, and then drive instruction arm 14 and rotate, it rotates to drive indicator 15, make the instruction window on the drawer panel is aimed at to indicator 15's corresponding sign, instruct drawer electrical status, the user carries out the operation that corresponds according to indicator 15's instruction state.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides a low-voltage cabinet hand power is switch interlocking device for drawer which characterized in that: the interlocking mechanism, the locking mechanism and the position display mechanism are arranged on the bottom plate, the interlocking mechanism comprises a support frame, a crank arm, an interlocking rod and a guide sleeve, the support frame and the guide sleeve are fixedly arranged on the bottom plate, the support frame is connected with the crank arm through an inserted rod seat, the inserted rod seat is fixedly connected with the crank arm, the inserted rod seat is rotatably connected with the support frame, square through holes are formed in the inserted rod seat and the crank arm, the free end of the crank arm is connected with the upper end of the interlocking rod through a pin shaft, the lower end of the interlocking rod penetrates through the guide sleeve and the bottom plate and then extends to the lower portion of the bottom plate, locking holes in clearance fit with the interlocking rod are formed in the guide sleeve and the bottom plate, and a clearance is formed between the guide sleeve and the bottom;
the locking mechanism comprises a push rod, an interlocking plate, an interlocking shaft, a locking plate torsional spring and an interlocking pin, the push rod is hinged with the driving end of the interlocking plate through a pin, a strip-shaped blocking piece is arranged at the locking end of the interlocking plate and is positioned in a gap between the guide sleeve and the base plate, the interlocking end of the interlocking plate is provided with the interlocking pin, a waist-shaped boss is sleeved on the interlocking pin, and the waist-shaped boss is fixedly connected with the interlocking plate; an interlocking shaft is arranged at the midpoint of a connecting line between the driving end and the locking end, and the interlocking shaft is fixed on the bottom plate and is rotationally connected with the interlocking plate; a locking plate torsion spring is sleeved on the interlocking shaft, one end of the locking plate torsion spring is connected with the guide sleeve, and the other end of the locking plate torsion spring is connected with the kidney-shaped boss;
the position display mechanism comprises a mechanism positioning plate, a positioning nail, an indicating arm, an indicator, an indicating stop pin, an indicating rotating shaft, an indicating torsion spring and a hanging pin, the positioning plate is arranged below the bottom plate, a strip-shaped guide groove is formed in the middle of the positioning plate, the positioning nail is fixed on the bottom plate, the lower end of the positioning nail extends to the lower side of the bottom plate, and the positioning nail is inserted into the strip-shaped guide groove of the positioning plate;
the locating plate of guide slot both sides is provided with two pinholes of symmetry, interlocking round pin and instruction shelves round pin are inserted respectively to these two pinholes, the one end of instructing the arm is connected to the upper end of instructing the shelves round pin, instruct the other end fixed connection indicator of arm, instruct the middle part of arm to be connected with the bottom plate through instructing the pivot, instruct the pivot and instruct the arm to rotate and be connected, it has the instruction torsional spring to instruct the epaxial cover of pivot, instruct the one end fixed connection of torsional spring to instruct the arm, on the other end fixed connection instructs the hanging pin of arm one side, hang round pin fixed connection bottom plate.
2. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: the whole inserted bar seat is cylindrical, and the support frame is provided with a through hole in clearance fit with the inserted bar seat.
3. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: and the waist-shaped boss is provided with a through hole in clearance fit with the interlocking pin.
4. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: the connecting lines of the driving end, the locking end and the interlocking end of the interlocking plate form an isosceles triangle.
5. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: and the interlocking plate is provided with a positioning piece.
6. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: the interlocking pin and the indicating stop pin are both fixedly connected with the positioning plate, the interlocking pin is rotatably connected with the interlocking plate, and the indicating stop pin is rotatably connected with the indicating arm.
7. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: and a stop block is arranged at one end of the indicating arm close to the indicating stop pin, and a microswitch is arranged on a bottom plate at one side of the stop block.
8. The switch interlocking mechanism for the low-voltage cabinet hand-pulling drawer is characterized in that: the indicator is an arc-shaped piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020505288.9U CN212304447U (en) | 2020-04-08 | 2020-04-08 | Low-voltage cabinet hand power is switch interlocking device for drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020505288.9U CN212304447U (en) | 2020-04-08 | 2020-04-08 | Low-voltage cabinet hand power is switch interlocking device for drawer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212304447U true CN212304447U (en) | 2021-01-05 |
Family
ID=73962058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020505288.9U Expired - Fee Related CN212304447U (en) | 2020-04-08 | 2020-04-08 | Low-voltage cabinet hand power is switch interlocking device for drawer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212304447U (en) |
-
2020
- 2020-04-08 CN CN202020505288.9U patent/CN212304447U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 Termination date: 20210408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |