CN110416910B - Switch cabinet and valve driving mechanism with self-locking function - Google Patents
Switch cabinet and valve driving mechanism with self-locking function Download PDFInfo
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- CN110416910B CN110416910B CN201910662046.2A CN201910662046A CN110416910B CN 110416910 B CN110416910 B CN 110416910B CN 201910662046 A CN201910662046 A CN 201910662046A CN 110416910 B CN110416910 B CN 110416910B
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- plate
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- lock
- pushing
- connecting plate
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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
Abstract
The invention relates to a switch cabinet and a valve driving mechanism with a self-locking function, wherein the valve driving mechanism comprises an installation frame and a connecting plate rotationally installed on the installation frame, the valve driving mechanism also comprises a spring bolt which is movably assembled on the installation frame in a guide direction parallel to the rotation axis of the connecting plate, the connecting plate is provided with a lock hole structure, the spring bolt is provided with a locking position inserted into the lock hole structure and an unlocking position separated from the lock hole structure on the moving stroke, a reset spring is arranged between the spring bolt and the installation frame, and the spring bolt is provided with a pushing part used for pushing a corresponding unlocking push rod to overcome the action force of the reset spring to move to the unlocking position. In the use, the unblock push rod pushes away the spring bolt and makes the spring bolt move to unblock position along the mounting bracket direction, and the spring bolt unlocks even the board this moment, even the board can rotate and open in order to drive the valve, and unblock push rod reverse movement, the valve is closed, and the spring bolt moves to the locking position in the direction under reset spring's effect simultaneously, and even board is locked and can not rotate this moment, plays the effect of valve auto-lock.
Description
The application is a divisional application of the following applications, the application date of the original application: 10/05/2017, application number of original application: 201710326132.7, title of original application: a switch cabinet and a valve driving mechanism with a self-locking function.
Technical Field
The invention relates to a switch cabinet and a valve driving mechanism with a self-locking function.
Background
In power system products, high voltage switch cabinets are one of the important types of equipment. In a switch cabinet, a handcart type circuit breaker is the most widely used circuit breaker, a moving contact is arranged on a handcart, a static contact is arranged in the switch cabinet and is connected with a high-voltage line, and the moving contact and the static contact are connected or disconnected by pushing or pulling the handcart, so that the circuit is connected or disconnected. Because the static contact is connected with the high-voltage line as a normally charged end, in order to prevent maintenance personnel from accidentally touching the static contact when the circuit is maintained and endangering the personal safety of the maintenance personnel, a movable door is arranged on a fixed bracket of the switch cabinet so as to shield the charged static contact and carry out safety protection.
The valve passes through drive mechanism and handcart linkage, and the drive mechanism of the valve of traditional cubical switchboard generally includes mounting bracket, goes up even board and links the board down, goes up even board and is connected with down the valve through the short connecting rod, links the board down and is connected with the valve through the long connecting rod, goes up even board and links the board down and all can be stirred respectively by the operator with the hand and then drive the valve relative motion in order to open or close. When the valve is closed, in order to prevent the upper valve and the lower valve from being opened due to misoperation, the upper connecting plate and the lower connecting plate are manually locked to prevent the valve from being opened due to misoperation. But sometimes, a maintainer is easy to neglect carelessly and forget to manually lock the upper connecting plate and the lower connecting plate, which can cause the occurrence of electric shock safety accidents.
Disclosure of Invention
The invention aims to provide a switch cabinet, wherein a valve can be normally opened when a handcart is pushed in, and can be locked in a closed state when the handcart is pulled out; meanwhile, the invention also aims to provide a valve driving mechanism with a self-locking function for the switch cabinet.
In order to achieve the purpose, the technical scheme of the valve driving mechanism with the self-locking function is as follows: the utility model provides a valve actuating mechanism with self-locking function, install even board that is used for driving the valve and opens and close on the mounting bracket including mounting bracket and rotation, still include direction and the parallel removal of the axis of rotation of even board and assemble the spring bolt on the mounting bracket, be equipped with the lockhole structure on even board, the spring bolt has the position of unblock that pegs graft with the locking of lockhole structure even board and break away from with the lockhole structure on its travel, be equipped with between spring bolt and the mounting bracket and apply the reset spring who forces its effort that removes to the locking position to the spring bolt, the spring bolt has the top portion of pushing away that is used for supplying corresponding unblock push rod to push away in order to overcome reset spring effort and remove to the position of.
The lockhole structure is arranged on the connecting plate, the opening faces to the clamping groove of the spring bolt, the spring bolt is provided with a step-down groove, when the spring bolt is positioned at the unlocking position, the step-down groove is opposite to the clamping groove, and when the spring bolt is positioned at the locking position, the spring bolt is in clamping fit with the clamping groove.
The pushing part is of an arc-shaped structure.
The mounting bracket comprises a first mounting plate and a second mounting plate, the first mounting plate is an L-shaped plate, the second mounting plate is a U-shaped plate, the first mounting plate comprises a first side plate and a first bottom plate, the second mounting plate comprises two opposite second side plates and an intermediate bottom plate, the spring bolt is guided to move and is mounted on the two second side plates, and the first bottom plate and the intermediate bottom plate are connected together.
The technical scheme of the switch cabinet is as follows: the utility model provides a switch cabinet, include the valve and have self-locking function's valve actuating mechanism, valve actuating mechanism includes that mounting bracket and rotation install the even board that is used for driving the valve on the mounting bracket and opens and close, still include direction and the parallel spring bolt of removal assembly on the mounting bracket of the axis of rotation of even board, be equipped with the lockhole structure on even board, the spring bolt has on its travel range to peg graft with the lockhole structure with the locking position of locking even board and with the unlocking position that the lockhole structure breaks away from, be equipped with between spring bolt and the mounting bracket and apply the reset spring who forces its effort that removes to the locking position to the spring bolt, the spring bolt has the top push portion that is used for supplying corresponding unblock push rod top to push away in order to overcome reset spring.
The lockhole structure is arranged on the connecting plate, the opening faces to the clamping groove of the spring bolt, the spring bolt is provided with a step-down groove, when the spring bolt is positioned at the unlocking position, the step-down groove is opposite to the clamping groove, and when the spring bolt is positioned at the locking position, the spring bolt is in clamping fit with the clamping groove.
The pushing part is of an arc-shaped structure.
The mounting bracket comprises a first mounting plate and a second mounting plate, the first mounting plate is an L-shaped plate, the second mounting plate is a U-shaped plate, the first mounting plate comprises a first side plate and a first bottom plate, the second mounting plate comprises two opposite second side plates and an intermediate bottom plate, the spring bolt is guided to move and is mounted on the two second side plates, and the first bottom plate and the intermediate bottom plate are connected together.
The connecting plate comprises a first connecting plate and a second connecting plate, each connecting plate is provided with a pushing fitting piece, the lock tongue is positioned between the two pushing fitting pieces, the unlocking push rod is a U-shaped plate structure with an opening facing the lock tongue, the end part of the middle plate of the U-shaped plate structure is provided with a middle plate pushing part which is in pushing fit with the pushing part of the lock tongue so that the lock tongue can move to the unlocking position in a guiding manner, the end parts of two side plates of the U-shaped plate structure are respectively provided with a pushing fitting piece pushing fit on the corresponding connecting plate so that each connecting plate can rotate, and the middle plate pushing part protrudes out of the two side plate pushing parts.
The invention has the beneficial effects that: the switch cabinet is characterized in that the mounting frame is provided with a lock tongue in a guiding and moving mode, the connecting plate is provided with a lock hole structure corresponding to the lock tongue, and in the using process of the switch cabinet, the unlocking push rod pushes the lock tongue to enable the lock tongue to move to an unlocking position along the mounting frame in a guiding mode, at the moment, the lock tongue unlocks the connecting plate, and the connecting plate can rotate to drive the valve to be opened; the unlocking push rod moves reversely, the valve is closed, meanwhile, the lock tongue moves to the locking position under the action of the reset spring in a guiding mode, at the moment, the connecting plate is locked and cannot rotate, and the self-locking effect of the valve is achieved.
Furthermore, the clamping groove is formed in the connecting plate, the groove is formed in the spring bolt, and due to the structural design, when the spring bolt moves from the locking position to the unlocking position, the moving displacement of the spring bolt is short, so that the whole mechanism can be miniaturized.
Drawings
Fig. 1 is a schematic structural diagram of a shutter driving mechanism in a first embodiment of a switch cabinet according to the present invention;
FIG. 2 is a schematic structural view of an upper connecting plate;
FIG. 3 is a schematic structural view of a lower connecting plate;
fig. 4 is a schematic structural view of the locking tongue;
FIG. 5 is a schematic structural view of the mounting bracket;
fig. 6 is a schematic structural diagram of an unlocking push rod of a circuit breaker handcart;
fig. 7 is a schematic structural view before the unlocking push rod and the spring bolt are pushed;
fig. 8 is a schematic structural view of the unlocking push rod and the lock tongue after being pushed.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The first specific embodiment of the switch cabinet disclosed by the invention comprises a circuit breaker handcart, a valve and a valve driving mechanism with a self-locking function, wherein the valve driving mechanism comprises a mounting frame, a first connecting plate 6 and a second connecting plate 7 which are rotatably assembled on the mounting frame through a rotating shaft 5, a bolt 4 is assembled on the mounting frame in a guiding and moving manner, the guiding and moving direction of the bolt 4 is parallel to the rotating axis direction of the first connecting plate 6 and the second connecting plate 7, and a reset spring 3 is arranged between the mounting frame and the bolt 4. The end part of the first connecting plate 6, far away from the rotating shaft 5, is connected with the lower valve through a first connecting rod, the end part of the second connecting plate 7, far away from the rotating shaft 5, is connected with the upper valve through a second connecting rod, and the first connecting plate 6 and the second connecting plate 7 rotate to enable the upper valve and the lower valve to move relatively to close the valve or move back to open the valve.
A first clamping groove 12 with an opening facing the lock tongue and a first mounting hole 11 in running fit with the rotating shaft 5 are arranged on the rotating end part 10 of the first connecting plate 6, and a second clamping groove 14 with an opening facing the lock tongue and a second mounting hole 13 in running fit with the rotating shaft 5 are arranged on the rotating end part 9 of the second connecting plate. The bolt 4 is provided with a first groove 15 corresponding to the first slot 12 and a second groove 16 corresponding to the second slot 14, and a bolt part between the first groove 15 and the second groove 16 and a bolt part outside the first groove 15 and the second groove 16 respectively form a clamping part in clamping fit with the first slot 12 and the second slot 14. Spring bolt 4 has first recess 15 on its travel and just right with first draw-in groove 12, second recess 16 is just right so that it is first with second draw-in groove 14, the second links board unblock position that can the pivoted, the spring bolt still has first recess 15 and first draw-in groove 12 stagger behind the reverse direction removal under reset spring 3 effect, second recess 16 and second draw-in groove 14 stagger so that corresponding joint portion and the recess joint complex locking position that corresponds, when spring bolt 4 is located the locking position, first link board 6 and second link board 7 are locked, can not revolve around 5 rotations of axle, just also can't drive the valve and open, play the effect of auto-lock.
Two spring connecting holes 18 for selecting and connecting a return spring are arranged on the bolt 4 along the guiding moving direction at intervals, one end of the return spring 3 is connected to the mounting frame, and the other end of the return spring is connected to one of the spring connecting holes 18. The mounting bracket, as shown in fig. 1 and 5, including first mounting panel 1 and second mounting panel 2, first mounting panel 1 is the L shaped plate, second mounting panel 2 is the U-shaped plate, be equipped with the guiding hole 19 that supplies the direction removal installation of spring bolt 4 on a curb plate of second mounting panel 2, be equipped with on the opposite side board with the direction removal complex guide way 21 of spring bolt 4 and the first mounting hole 20 of pivot that supplies the one end installation of pivot 5, it is provided with pivot second mounting hole to correspond with the first mounting hole 20 of pivot on a connecting plate of first mounting panel 1, another connecting plate of first mounting panel 1 is in the same place with the intermediate lamella bolted connection of second mounting panel 2.
The valve driving mechanism further comprises an unlocking push rod 22, the unlocking push rod 22 is arranged on a circuit breaker handcart, the first connecting plate 6 and the second connecting plate 7 are respectively provided with a pushing matching piece 8 which is used for being in pushing matching with the circuit breaker handcart to drive each connecting plate to rotate, the lock tongue 4 is located between the two pushing matching pieces 8, and the corresponding one end of the lock tongue 4 is provided with an arc-shaped structure 17 which is used for being in pushing matching with the unlocking push rod to move to an unlocking position in a guiding mode. The structure of the unlocking push rod 22 is shown in fig. 6, the unlocking push rod 22 is a U-shaped plate structure, the U-shaped plate structure comprises an intermediate plate and two side plates, the bolt 4 is located between the two side plates, the end portion of the intermediate plate is provided with an intermediate plate pushing portion 23 which is in pushing fit with the arc-shaped structure 17 of the bolt 4 so as to enable the bolt 4 to move to the unlocking position in a guiding manner, the end portions of the two side plates of the U-shaped plate structure are respectively provided with a side plate pushing portion 24 which is used for being in pushing fit with the corresponding pushing fitting member 8 of the connecting plate so as to enable each connecting plate to rotate, the intermediate plate pushing portion 23 protrudes out of the two side plate pushing portions 24, and the intermediate plate pushing portion 23 and the side plate pushing portion 24 are both formed.
The working process of the valve self-locking structure of the switch cabinet comprises the following steps: when the circuit breaker handcart is not pushed into the cabinet body of the switch cabinet, the lock tongue 4 is located at a locking position under the action of the reset spring 3, at the moment, the first groove 15 is staggered with the first clamping groove 12, the second groove 16 is staggered with the second clamping groove 14, so that the corresponding clamping parts are clamped and matched with the first clamping groove 12 and the second clamping groove 14, the first connecting plate 6 and the second connecting plate 7 are locked and cannot rotate around the rotating shaft 5, and the valve is located at a closing position and shields a live static contact; when the circuit breaker handcart is pushed into the cabinet body of the switch cabinet, the middle plate pushing portion 23 pushes the lock tongue 4 to enable the lock tongue 4 to move to the unlocking position from the locking position along the guide of the mounting rack, the circuit breaker handcart is continuously pushed, the unlocking push rod 22 continuously moves, and after the lock tongue 4 is pushed open, the two side plate pushing portions 24 respectively push and cooperate with the pushing matching pieces 8 corresponding to the connecting plates to drive the corresponding connecting plates to rotate so as to drive the valves to move, so that the valves are opened.
The second embodiment of the switch cabinet is different from the first embodiment in that one end of the lock tongue, which is matched with the unlocking push rod, does not have an arc-shaped structure, and can also be arranged into a wedge surface structure, and at the moment, the middle plate of the push rod is also provided with the wedge surface structure matched with the middle plate.
The third embodiment of the switch cabinet is different from the first embodiment in that the number of the spring connecting holes on the bolt can be adjusted according to actual requirements, for example, one or three spring connecting holes are formed in the bolt.
The fourth embodiment of the switch cabinet is different from the first embodiment in that the number of the connecting plates can be only one, only one valve is connected to the connecting plates at the moment, and only one bolt groove is formed in the bolt at the moment.
The fifth embodiment of the switch cabinet of the invention is different from the first embodiment in that the middle plate pushing part and the side plate pushing part can also be formed by correspondingly welded cylinders or round tubes.
The sixth embodiment of the switch cabinet is different from the first embodiment in that the structure of the lock tongue is different, the lock tongue comprises a pushing arm and a locking arm, the length of the pushing arm is larger than that of the locking arm, when the unlocking push rod and the pushing arm push, the locking arm can be driven to be separated from the clamping groove, and at the moment, no groove is formed in the lock tongue.
The seventh embodiment of the switch cabinet of the invention is different from the sixth embodiment only in that the clamping groove of the connecting plate can be replaced by the clamping hole to play a role of a lock hole structure.
An eighth embodiment of the switch cabinet of the present invention is different from the first embodiment in that the mounting frame may also be an integrated U-shaped plate structure.
The embodiment of the shutter driving mechanism with the self-locking function is the same as the shutter driving mechanism in each embodiment of the switch cabinet, and the details are not repeated here.
Claims (5)
1. The utility model provides a valve actuating mechanism with self-locking function, includes that mounting bracket and rotation install the even board that is used for driving the valve on the mounting bracket to open and close, its characterized in that: the lock bolt is movably assembled on the mounting frame in a direction parallel to the rotation axis of the connecting plate, a lock hole structure is arranged on the connecting plate, the lock bolt is provided with a locking position which is inserted into the lock hole structure to lock the connecting plate and an unlocking position which is separated from the lock hole structure on the moving stroke, a return spring which applies acting force for forcing the lock bolt to move to the locking position is arranged between the lock bolt and the mounting frame, the lock bolt is provided with a pushing part which is used for pushing a corresponding unlocking push rod to overcome the acting force of the return spring to move to the unlocking position, the mounting frame comprises a first mounting plate and a second mounting plate, the first mounting plate is an L-shaped plate, the second mounting plate is a U-shaped plate, the first mounting plate comprises a first side plate and a first bottom plate, the second mounting plate comprises two opposite second side plates and an intermediate bottom plate, the lock bolt is movably mounted on the two second side plates in a guiding, the first side plate and the two second side plates are arranged at intervals in the direction along the spring bolt, the connecting plates are rotatably assembled on the mounting frame through rotating shafts, a first rotating shaft mounting hole for mounting one end of the rotating shaft is formed in the second side plate, far away from the first side plate, of the second mounting plate, and a second rotating shaft mounting hole is formed in the first side plate and corresponds to the first rotating shaft mounting hole.
2. The shutter driving mechanism with self-locking function according to claim 1, characterized in that: the pushing part is of an arc-shaped structure.
3. The utility model provides a switch cabinet, includes the valve and has self-locking function's valve actuating mechanism, valve actuating mechanism includes that mounting bracket and rotation install the even board that is used for driving the valve on the mounting bracket and opens and close, its characterized in that: the lock bolt is movably assembled on the mounting frame in a direction parallel to the rotation axis of the connecting plate, a lock hole structure is arranged on the connecting plate, the lock bolt is provided with a locking position which is inserted into the lock hole structure to lock the connecting plate and an unlocking position which is separated from the lock hole structure on the moving stroke, a return spring which applies acting force for forcing the lock bolt to move to the locking position is arranged between the lock bolt and the mounting frame, the lock bolt is provided with a pushing part which is used for pushing a corresponding unlocking push rod to overcome the acting force of the return spring to move to the unlocking position, the mounting frame comprises a first mounting plate and a second mounting plate, the first mounting plate is an L-shaped plate, the second mounting plate is a U-shaped plate, the first mounting plate comprises a first side plate and a first bottom plate, the second mounting plate comprises two opposite second side plates and an intermediate bottom plate, the lock bolt is movably mounted on the two second side plates in a guiding, the first side plate and the two second side plates are arranged at intervals in the direction along the spring bolt, the connecting plates are rotatably assembled on the mounting frame through rotating shafts, a first rotating shaft mounting hole for mounting one end of the rotating shaft is formed in the second side plate, far away from the first side plate, of the second mounting plate, and a second rotating shaft mounting hole is formed in the first side plate and corresponds to the first rotating shaft mounting hole.
4. A switchgear cabinet according to claim 3, characterized in that: the pushing part is of an arc-shaped structure.
5. A switchgear cabinet according to claim 3, characterized in that: the connecting plate comprises a first connecting plate and a second connecting plate, each connecting plate is provided with a pushing fitting piece, the lock tongue is positioned between the two pushing fitting pieces, the unlocking push rod is a U-shaped plate structure with an opening facing the lock tongue, the end part of the middle plate of the U-shaped plate structure is provided with a middle plate pushing part which is in pushing fit with the pushing part of the lock tongue so that the lock tongue can move to the unlocking position in a guiding manner, the end parts of two side plates of the U-shaped plate structure are respectively provided with a pushing fitting piece pushing fit on the corresponding connecting plate so that each connecting plate can rotate, and the middle plate pushing part protrudes out of the two side plate pushing parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662046.2A CN110416910B (en) | 2017-05-10 | 2017-05-10 | Switch cabinet and valve driving mechanism with self-locking function |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326132.7A CN106953260B (en) | 2017-05-10 | 2017-05-10 | A kind of switchgear and its valve drive mechanism with self-locking function |
| CN201910662046.2A CN110416910B (en) | 2017-05-10 | 2017-05-10 | Switch cabinet and valve driving mechanism with self-locking function |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710326132.7A Division CN106953260B (en) | 2017-05-10 | 2017-05-10 | A kind of switchgear and its valve drive mechanism with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416910A CN110416910A (en) | 2019-11-05 |
| CN110416910B true CN110416910B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710326132.7A Active CN106953260B (en) | 2017-05-10 | 2017-05-10 | A kind of switchgear and its valve drive mechanism with self-locking function |
| CN201910662046.2A Active CN110416910B (en) | 2017-05-10 | 2017-05-10 | Switch cabinet and valve driving mechanism with self-locking function |
| CN201910663021.4A Active CN110247330B (en) | 2017-05-10 | 2017-05-10 | Switch cabinet and valve driving mechanism with self-locking function |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710326132.7A Active CN106953260B (en) | 2017-05-10 | 2017-05-10 | A kind of switchgear and its valve drive mechanism with self-locking function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910663021.4A Active CN110247330B (en) | 2017-05-10 | 2017-05-10 | Switch cabinet and valve driving mechanism with self-locking function |
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| CN (3) | CN106953260B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887198B (en) * | 2017-12-20 | 2020-07-28 | 青岛特锐德电气股份有限公司 | Interlocking device for door body of switch cabinet |
| CN109462169B (en) * | 2018-12-13 | 2023-07-04 | 国家电网有限公司 | Handcart switch operation crank and method |
| CN113874186B (en) * | 2019-06-14 | 2023-09-29 | 有限会社爱勇气技研 | Separation locking device and injection molding die assembly using the same |
| CN111193215B (en) * | 2020-03-24 | 2024-03-08 | 上海西门子开关有限公司 | Valve driving mechanism, valve mechanism and handcart linkage mechanism of switch cabinet |
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| CN201233814Y (en) * | 2008-08-01 | 2009-05-06 | 汕头正超电气集团有限公司 | Movable door locking mechanism for withdrawn type switch cabinet |
| CN205911630U (en) * | 2016-08-23 | 2017-01-25 | 温州兴机电器有限公司 | Take card rail formula valve arrangement of valve auto -lock |
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| US4133021A (en) * | 1977-07-25 | 1979-01-02 | King Harold M | Multiple utility pedestal |
| US6388868B1 (en) * | 2001-08-09 | 2002-05-14 | Eaton Corporation | Automatically operating interlock assembly requiring an electrical cabinet to be closed before connection of the equipment therein |
| ITMI20070623A1 (en) * | 2007-03-28 | 2008-09-29 | Mont Ele S R L | INTEGRATED SYSTEM FOR FIRST AND SECOND THREE-WHEEL MANEUVER-SWITCHES, WITH SIMPLIFIED MAINTENANCE, FOR RAILWAYS, METRO, AND SUBWAYS. |
| CN101499630B (en) * | 2008-10-15 | 2011-07-27 | 安徽继远电网技术有限责任公司 | Shutter opening and closing mechanism for withdrawn type high-voltage switch cabinet |
| CN201340983Y (en) * | 2008-12-31 | 2009-11-04 | 广州白云电器设备股份有限公司 | Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve |
| CN201639183U (en) * | 2010-04-02 | 2010-11-17 | 辽宁省电力有限公司阜新供电公司 | Switch cabinet baffle valve |
| CN101931178A (en) * | 2010-08-10 | 2010-12-29 | 山东泰开成套电器有限公司 | Device for forcibly locking front door of switch cabinet |
| CN201846002U (en) * | 2010-09-27 | 2011-05-25 | 温州兴机电器有限公司 | Valve self-locking device for switch cabinet |
| CN201887365U (en) * | 2010-12-23 | 2011-06-29 | 广东北江开关厂有限公司 | Lifting door interlocking mechanism of handcart type switch cabinet |
| CN202384682U (en) * | 2011-12-30 | 2012-08-15 | 厦门先海电气设备有限公司 | Drive device of switch cabinet valve |
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| CN106099732B (en) * | 2016-07-25 | 2018-04-24 | 许继电气股份有限公司 | A kind of switchgear and its valve blocking mechanism |
| CN206894106U (en) * | 2017-05-10 | 2018-01-16 | 河南森源电气股份有限公司 | Switch cubicle and its valve drive mechanism with auto-lock function |
-
2017
- 2017-05-10 CN CN201710326132.7A patent/CN106953260B/en active Active
- 2017-05-10 CN CN201910662046.2A patent/CN110416910B/en active Active
- 2017-05-10 CN CN201910663021.4A patent/CN110247330B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233814Y (en) * | 2008-08-01 | 2009-05-06 | 汕头正超电气集团有限公司 | Movable door locking mechanism for withdrawn type switch cabinet |
| CN205911630U (en) * | 2016-08-23 | 2017-01-25 | 温州兴机电器有限公司 | Take card rail formula valve arrangement of valve auto -lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110247330A (en) | 2019-09-17 |
| CN110247330B (en) | 2021-06-15 |
| CN106953260B (en) | 2019-06-14 |
| CN106953260A (en) | 2017-07-14 |
| CN110416910A (en) | 2019-11-05 |
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