CN203129773U - Door lock mechanism - Google Patents
Door lock mechanism Download PDFInfo
- Publication number
- CN203129773U CN203129773U CN 201220728107 CN201220728107U CN203129773U CN 203129773 U CN203129773 U CN 203129773U CN 201220728107 CN201220728107 CN 201220728107 CN 201220728107 U CN201220728107 U CN 201220728107U CN 203129773 U CN203129773 U CN 203129773U
- Authority
- CN
- China
- Prior art keywords
- lock mechanism
- door lock
- pull bar
- cam
- latch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model relates to the technical field of a solid insulated ring network cabinet, and discloses a door lock mechanism which is used for locking and unlocking a cabinet door of the solid insulated ring network cabinet. The door lock mechanism comprises a cam, a pull rod, an oscillating bar and a plug pin, wherein the cam is connected with a grounding spindle of a three-position switch operation mechanism through a transmission mechanism, the cam is provided with a spout, the upper end of the pull rod is clamped in the spout through an axle pin, the lower end of the pull rod is hinged to one end of the oscillating rod, the middle of the oscillating rod is hinged and fixed, the other end of the oscillating rod is hinged to the upper end of the plug pin, and the lower end of the plug pin is used for being inserted into an inserting hole in the cabinet door. The door lock mechanism can ensure that the cabinet door can be opened only when a disconnecting switch is grounded, can avoid the occurrence of the situation that the solid insulated ring network cabinet is opened when the disconnecting switch is not grounded, and eliminates the possibility of causing serious safety accidents.
Description
Technical field
The utility model relates to solid insulation ring main unit technical field, relates in particular to a kind of door lock mechanism, is used for pinning and opening the cabinet door of solid insulation ring main unit.
Background technology
At present, the solid insulation ring main unit is progressively to miniaturization, compoundization, intelligent direction development, with isolating switch and earthing switch compound be three station isolation-earthing switches, for reduced volume, isolating switch adopts three station vacuum interrupters, and the switch movable contact of three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection by the three-station operating mechanism.
Please referring to Fig. 1-Fig. 4, Fig. 1 is a kind of main TV structure schematic diagram of typical three-position switch actuating mechanism; Fig. 2 is the structural representation of operating mechanism among Fig. 1; Fig. 3 is the plan structure schematic diagram of three position executing agencies among Fig. 1, and Fig. 4 is the sectional structure schematic diagram of three position executing agencies among Fig. 3.
As Fig. 1, shown in Figure 2, this three-station operating mechanism comprises operating mechanism and three position executing agencies 6, wherein operating mechanism comprises isolation rotating shaft 1, ground connection rotating shaft 2, first gear mechanism 4, power transmission shaft 3, second gear mechanism 5, described isolation rotating shaft 1 one ends, one end of ground connection rotating shaft 2 forms the isolated operation end respectively, the ground connection operating side, the other end of described isolation rotating shaft 1, the other end of ground connection rotating shaft 2, one end of power transmission shaft 3 carries out transmission by described first gear drive, the other end of described power transmission shaft 3 is connected with driving gear 51 centers of described second gear drive, and driven gear 52 centers of described second gear drive are connected with three position executing agencies 6 by connecting axle 60.
As shown in Figure 3, Figure 4, described three position executing agencies 6 comprise cam 61, connecting rod 62, and the two end supports of described connecting axle is on frame; Described cam 61 is provided with the cam chute, and described cam chute comprises the first segmental arc chute with different arc radius, the second segmental arc chute, the 3rd segmental arc chute that is communicated with successively; The upper end of described connecting rod 62 is provided with pivot pin 64, and described bearing pin 64 is movably connected in the described cam chute, and the lower end of described connecting rod 62 is provided with a plurality of isolating switch moving contact connecting portions for the insulated tension pole that connects a plurality of isolating switches.
In the time of will isolating rotating shaft 1 and rotate counterclockwise 180 °, by 120 ° of first gear mechanisms 4, power transmission shaft 3,61 rotations of second gear mechanism, 5 driving cams, the pivot pin on the connecting rod 62 will move upward from low side in chute, realize the close a floodgate conversion of separating brake of isolating switch; Clockwise rotate ground connection rotating shaft 2 Rotate 180s °, by 120 ° of first gear mechanisms 4, power transmission shaft 3,61 rotations of second gear mechanism, 5 driving cams, connecting rod 62 moves upward again, realizes that the isolating switch separating brake is to the conversion of ground connection.
Set the solid insulation ring main unit and be in "on" position, operating sequence when needs overhaul: by opening button, breaker open operation; Rotating shaft 1, isolating switch separating brake are isolated in operation counterclockwise; Operational grounding ground connection rotating shaft 2 clockwise, isolating switch ground connection; Open the cabinet door of solid insulation ring main unit.
The solid insulation ring main unit is very high to the security requirement of operation, must namely after the isolating switch ground connection, just can open the cabinet door, otherwise may cause serious security incident according to the aforesaid operations order.Therefore, how to guarantee just can open the cabinet door after the isolating switch ground connection, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model provides a kind of door lock mechanism, is used for pinning and opening the cabinet door of solid insulation ring main unit, and it can guarantee just can open the cabinet door after the isolating switch ground connection.
To achieve these goals, the utility model provides a kind of door lock mechanism, be used for pinning and opening the cabinet door of solid insulation ring main unit, comprise cam, pull bar, fork, latch, described cam is connected with the ground connection rotating shaft of three-station operating mechanism by transmission mechanism, described cam is provided with chute, the upper end of described pull bar is stuck in the described chute by pivot pin, one end of the lower end of described pull bar and described fork is hinged, the middle part hinged securement of described fork, the other end of described fork and the upper end of described latch are hinged, and the lower end of described latch is used for inserting the jack of being located on the described cabinet door.
Preferably, the through hole of supporting plate is passed in the lower end of described pull bar, be positioned at described supporting plate up and down on the described pull bar of both sides respectively thread connection first packing ring, stop nut are arranged, have default spacing between described first packing ring, the described stop nut.
Preferably, the top of the above first packing ring of described pull bar is provided with second packing ring, is provided with spring between described first packing ring, described second packing ring.
Preferably, described supporting plate is provided with connecting rod, and the middle part of described fork is hingedly fixed on the described connecting rod.
Preferably, described latch comprises inserted link and plug, and described inserted link and described plug pass through thread connection.
Preferably, the lower end of described inserted link has internal thread hole, and the upper end of described plug has external screw thread, and the upper end of described plug and the lower end of described inserted link form thread connection.
Preferably, the thread connection place of described plug and described inserted link is provided with clamp nut.
The door lock mechanism that the utility model provides comprises cam, pull bar, fork, latch, described cam is connected with the ground connection rotating shaft of three-station operating mechanism by transmission mechanism, described cam is provided with chute, the upper end of described pull bar is stuck in the described chute by pivot pin, one end of the lower end of described pull bar and described fork is hinged, the middle part hinged securement of described fork, the other end of described fork and the upper end of described latch are hinged, and the lower end of described latch is used for inserting the jack of being located on the described cabinet door.
The solid ring main unit is in "on" position, and in the jack on the lower end insertion cabinet door of latch, when needs overhauled, rotating shaft, isolating switch separating brake were isolated in operation counterclockwise; Operational grounding ground connection rotating shaft clockwise, isolating switch ground connection, simultaneously, the ground connection rotating shaft drives the cam rotation by transmission mechanism, cam will drive pull bar and move down, and the lower end of pull bar drives latch by fork and moves up, in the jack on the latch disengaging cabinet door, remove latch to the locking action of cabinet door, can draw back the cabinet door this moment; After the maintenance of solid insulation ring main unit finishes, the rotating shaft of rotation ground connection, the ground connection rotating shaft drives the cam rotation by transmission mechanism, cam will drive pull bar and move up, the lower end of pull bar drives latch by fork and moves down, and in the jack on the latch insertion cabinet door, realizes the locking of cabinet door.
As seen, the door lock mechanism that the utility model provides can be guaranteed just can open the cabinet door after the isolating switch ground connection, can avoid isolating switch ground connection just not being opened the generation of the situation of solid insulation switch cabinet, has eliminated the possibility that causes serious security incident.
Description of drawings
Fig. 1 is a kind of main TV structure schematic diagram of typical three-position switch actuating mechanism;
Fig. 2 is the structural representation of operating mechanism among Fig. 1;
Fig. 3 is the plan structure schematic diagram of three position executing agencies among Fig. 1;
Fig. 4 is the sectional structure schematic diagram of three position executing agencies among Fig. 3;
Structural representation when Fig. 5 is in unlocking condition for door lock mechanism provided by the utility model;
Structural representation when Fig. 6 is in the lock state for door lock mechanism provided by the utility model;
Wherein, among Fig. 1-Fig. 6:
Isolate rotating shaft 1, ground connection rotating shaft 2, power transmission shaft 3, first gear mechanism 4, second gear mechanism 5, driving gear 51, driven gear 52, three position executing agencies 6, connecting axle 60, cam 61, connecting rod 62, pivot pin 63, pivot pin 64;
Supporting plate 70, cam 71, pull bar 72, fork 73, inserted link 74, plug 75, jack 76, connecting rod 77, first packing ring 78, second packing ring 79, stop nut 710, nut 711, spring 712.
The specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 5, Fig. 6, the structural representation when Fig. 5 is in unlocking condition for door lock mechanism provided by the utility model; Structural representation when Fig. 6 is in the lock state for door lock mechanism provided by the utility model.
The door lock mechanism that the utility model provides is used for pinning and opening the cabinet door of solid insulation ring main unit, this door lock mechanism comprises cam 71, pull bar 72, fork 73, latch, described cam 71 is connected with the ground connection rotating shaft of three-station operating mechanism by transmission mechanism, described cam 71 is provided with chute, cam 71 is to draw or press connecting rod 72 with two ends of chute, drive pin 75 times or go up mobile, the upper end of described pull bar 72 is stuck in the described chute by pivot pin, one end of the lower end of described pull bar 72 and described fork 73 is hinged, the middle part hinged securement of described fork 73, in the concrete scheme, described supporting plate 70 is provided with connecting rod 77, the middle part of described fork 73 is hingedly fixed on the described connecting rod 77, the other end of described fork 73 and the upper end of described latch are hinged, and the lower end of described latch is used for inserting the jack of being located on the described cabinet door 76.
The solid ring main unit is in "on" position, and in the jack 76 on the lower end insertion cabinet door of latch, when needs overhauled, rotating shaft, isolating switch separating brake were isolated in operation counterclockwise; Operational grounding ground connection rotating shaft clockwise, isolating switch ground connection, simultaneously, the ground connection rotating shaft drives cam 71 rotations by transmission mechanism, cam 71 will drive pull bar 72 and move down, and the lower end of pull bar 72 drives latch by fork 73 and moves up, in the jack 76 on the latch disengaging cabinet door, remove latch to the locking action of cabinet door, can draw back the cabinet door this moment; After the maintenance of solid insulation ring main unit finishes, the rotating shaft of rotation ground connection, the ground connection rotating shaft drives cam 71 rotations by transmission mechanism, cam 71 will drive pull bar 72 and move up, the lower end of pull bar 72 drives latch by fork 73 and moves down, in the jack 76 on the latch insertion cabinet door, realize the locking of cabinet door.
As seen, the door lock mechanism that the utility model provides can be guaranteed just can open the cabinet door after the isolating switch ground connection, can avoid isolating switch ground connection just not being opened the generation of the situation of solid insulation switch cabinet, has eliminated the possibility that causes serious security incident.
In the preferred scheme, the through hole of supporting plate 70 is passed in the lower end of described pull bar 72, being positioned on the described pull bar 72 of described supporting plate both sides about in the of 70 respectively, thread connection has first packing ring 78, stop nut, has default spacing between described first packing ring 78, the described stop nut, described predeterminable range is used for limiting the scope that pull bar 72 moves up and down, and then limits the distance that latch inserted and broke away from jack 76.
Further in the scheme, in order to improve the stability of first packing ring 78, can below first packing ring 78, nut 711 be set.
In the more excellent scheme, after latch breaks away from jack 76, the cabinet door of solid insulation ring main unit is opened, at this moment, in order to prevent that latch from falling, when closing the cabinet door, latch can't insert in the jack 76 again, is provided with second packing ring 79 in the upper fixed of described pull bar 72 the above first packing ring 78, described first packing ring 78, be provided with spring 712 between described second packing ring 79, after latch broke away from jack 76, pull bar 72 moved down, and first packing ring 78 and nut 711 are against gripper shoe, under the reaction force of gripper shoe, first packing ring 78 and nut 711 will upwards compress spring 712, and under the pretightning force effect of spring 712, pull bar 72 is in the position that moves down all the time, it is the top that latch is in jack 76 all the time, can prevent that latch from falling, when closing the cabinet door, latch also can insert in the jack 76 smoothly.
In the preferred scheme, in order to adjust the length of latch, described latch comprises inserted link 74 and plug 75, described inserted link 74 passes through thread connection with described plug 75, in the concrete scheme, the lower end of described inserted link 74 has internal thread hole, and the upper end of described plug 75 has external screw thread, the lower end of the upper end of described plug 75 and described inserted link 74 forms thread connection, and this structure can be adjusted the length of latch as required.
Further in the scheme, in order to make being connected firmly between inserted link 74 and the plug 75, can be provided with clamp nut at the thread connection place of described plug 75 and described inserted link 74.
The above only is the description of the preferred embodiment of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. door lock mechanism, be used for pinning and opening the cabinet door of solid insulation ring main unit, it is characterized in that, comprise cam, pull bar, fork, latch, described cam is connected with the ground connection rotating shaft of three-station operating mechanism by transmission mechanism, described cam is provided with chute, the upper end of described pull bar is stuck in the described chute by pivot pin, one end of the lower end of described pull bar and described fork is hinged, the middle part hinged securement of described fork, the other end of described fork and the upper end of described latch are hinged, and the lower end of described latch is used for inserting the jack of being located on the described cabinet door.
2. door lock mechanism according to claim 1, it is characterized in that, the through hole of supporting plate is passed in the lower end of described pull bar, be positioned at described supporting plate up and down on the described pull bar of both sides respectively thread connection first packing ring, stop nut are arranged, have default spacing between described first packing ring, the described stop nut.
3. door lock mechanism according to claim 2 is characterized in that, the top of the above first packing ring of described pull bar is provided with second packing ring, is provided with spring between described first packing ring, described second packing ring.
4. door lock mechanism according to claim 3 is characterized in that, described supporting plate is provided with connecting rod, and the middle part of described fork is hingedly fixed on the described connecting rod.
5. door lock mechanism according to claim 1 is characterized in that, described latch comprises inserted link and plug, and described inserted link and described plug pass through thread connection.
6. door lock mechanism according to claim 5 is characterized in that, the lower end of described inserted link has internal thread hole, and the upper end of described plug has external screw thread, and the upper end of described plug and the lower end of described inserted link form thread connection.
7. door lock mechanism according to claim 6 is characterized in that, the thread connection place of described plug and described inserted link is provided with clamp nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728107 CN203129773U (en) | 2012-12-24 | 2012-12-24 | Door lock mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728107 CN203129773U (en) | 2012-12-24 | 2012-12-24 | Door lock mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203129773U true CN203129773U (en) | 2013-08-14 |
Family
ID=48937765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220728107 Expired - Fee Related CN203129773U (en) | 2012-12-24 | 2012-12-24 | Door lock mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203129773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161363A (en) * | 2012-12-24 | 2013-06-19 | 刘晓颖 | Door lock mechanism |
| CN106744187A (en) * | 2017-03-10 | 2017-05-31 | 日立电梯(上海)有限公司 | Fire lift climbing ladder apparatus |
-
2012
- 2012-12-24 CN CN 201220728107 patent/CN203129773U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161363A (en) * | 2012-12-24 | 2013-06-19 | 刘晓颖 | Door lock mechanism |
| CN106744187A (en) * | 2017-03-10 | 2017-05-31 | 日立电梯(上海)有限公司 | Fire lift climbing ladder apparatus |
| CN106744187B (en) * | 2017-03-10 | 2019-05-10 | 日立电梯(上海)有限公司 | Fire lift climbing ladder apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202855615U (en) | Vacuum circuit breaker switch-on interlocking mechanism | |
| CN201893269U (en) | High-voltage disconnector contact component | |
| CN205881795U (en) | Vacuum circuit breaker | |
| CN103161363A (en) | Door lock mechanism | |
| CN203129773U (en) | Door lock mechanism | |
| CN201340982Y (en) | Valve device of withdrawing metal-clad metal-closed switch cabinet | |
| CN103166143B (en) | A kind of solid insulation ring main unit | |
| CN109859972B (en) | Forced interlocking structure for vacuum cabinet | |
| CN214378106U (en) | Wall interlocking structure of looped netowrk cabinet | |
| CN201985015U (en) | Mechanical manipulation interlocking device | |
| CN203135294U (en) | Solid insulation ring main unit | |
| CN106024498B (en) | A kind of vacuum circuit breaker | |
| CN205863077U (en) | A kind of tri-station isolating switch | |
| CN201413946Y (en) | Emergency brake separating and closing device of high pressure switch apparatus | |
| CN208873627U (en) | A kind of mechanical anti-misoperation operating mechanism of ring network cabinet disconnecting switch and breaker | |
| CN206685298U (en) | A kind of earthing for having making capability | |
| CN201584310U (en) | Small middle-pressure switch spring operation mechanism | |
| CN201655712U (en) | Breaker handle locking structure | |
| CN202008948U (en) | Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector | |
| CN201392740Y (en) | Three-position switch operation mechanism | |
| CN201340983Y (en) | Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve | |
| CN203134592U (en) | Operating apparatus | |
| CN101807485B (en) | Tipping gear used for flip horizontal type isolating switch | |
| CN201323159Y (en) | Fixed metal-enclosed high-pressure switch apparatus | |
| CN203233094U (en) | Interlocking mechanism of breaker chamber door of switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20141224 |
|
| EXPY | Termination of patent right or utility model |