CN205178354U - Pull -out type low -voltage distribution is mechanical interlocking device for cabinet - Google Patents
Pull -out type low -voltage distribution is mechanical interlocking device for cabinet Download PDFInfo
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- CN205178354U CN205178354U CN201520536463.XU CN201520536463U CN205178354U CN 205178354 U CN205178354 U CN 205178354U CN 201520536463 U CN201520536463 U CN 201520536463U CN 205178354 U CN205178354 U CN 205178354U
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Abstract
The utility model discloses a hand propelled low -voltage distribution is the mechanical interlocking device for the cabinet, include: a locking mechanical system, a locking mechanical system includes: mounting panel, shaping have mounting hole and translation guide structure and translation restriction structure, the operation cam rotates the setting and is in in the mounting hole, receive operating personnel's operation and rotate, the interlocking board, the shaping have with translation restriction structure complex translation cooperation structure is with the restriction the interlocking board only removes according to predetermined direction, and the shaping have with translation guide structure complex guide cooperation structure, the interlocking driving lever, one end is connected on the eccentric shaft position of operation cam, still be provided with guide actuator disk part on the interlocking driving lever the rotatory of operation cam drives down, the cooperation of guide actuator disk part translation guide structure reaches guide cooperation structure drives interlocking board reciprocating motion realizes locking or the unblock to related parts.
Description
Technical field
The utility model relates to a kind of extractable low-voltage power distribution cabinet mechanical interlocks, belongs to technical field of electric equipment.
Background technology
In modern power distribution network and engineering construction, extractable low-voltage power distribution cabinet (hereinafter referred to as power distribution cabinet) is widely used in the distribution system of the application scenarios such as power plant, electric substation, industrial enterprise and skyscraper.Power distribution cabinet is changed as the electric energy of electric distribution, Motor Control and illuminating lamp controller switching equipment, distribute and the use of control, plays an important role.Be provided with in drawer and prevent drawer by the charged mechanical interlock mechanism opened, this mechanical interlock mechanism controls the disjunction of power distribution cabinet inner looping with the extraction of drawer, pushes away Zhong and control loop is connected, thus ensure the personal safety of staff with drawer.The power distribution cabinet of the type has conserve space, reliable, convenient for installation and maintenance, and breaking capacity is strong, and the advantage such as transmission line circuit is many.Due to the operating characteristic that it is special, in distribution industry, the design of power distribution cabinet is had to the requirement of tight Yi.Regulation in the standard GB/T 7251 " low-voltage complete switch equipment and control appliance Part I: type approval test and part type approval test complete set of equipments ": in extractable low-voltage power distribution cabinet, the drawer in each loop should possess connecting, test, isolation three positions push away Zhong, extraction operating mechanism (mechanical interlock mechanism namely mentioned above).
Such as Chinese patent literature discloses a kind of low pressure draw-out type drawer and pushes away Zhong interlocking device with novel, push away in Zhong interlocking device at this, the lobe plate that operational lock construction unit bag Qian is arranged on shaft hole on installation panel, link with shaft hole and the Lian Suo Pinch plate be slidably arranged on installation panel, lobe plate is provided with arcuate socket, Gai Lian Suo Pinch plate is connected in arcuate socket by two ends with the connecting rod of projection, thus make when rotating shaft hole, Lian Suo Pinch plate can be driven to move up and down.There is following defect with the novel Zhong of pushing away interlocking device in the low pressure draw-out type drawer of this patent documentation: according to inclined plane principle, and the radius change of the arcuate socket on lobe plate is more little more laborsaving.Like this in order to meet suitable operating force and Lian Suo Pinch plate can be driven to complete enough moving up and down, will this arcuate socket be needed to have enough length, cause lobe plate also to need corresponding yardstick and enough swing spaces thus.
Utility model content
Therefore, the technical problems to be solved in the utility model is, the problem that the structure structure of the locking mechanism of locked drawer functional unit is compact is not played in existing extractable low-voltage power distribution cabinet mechanical interlocks, thus provide a kind of structure more compact, be convenient to the extractable low-voltage power distribution cabinet mechanical interlocks of mounting arrangements.
To achieve these goals, the utility model provides a kind of hand propelled low-voltage distribution cabinet mechanical interlocks, bag the Qian: the first locking mechanism and detent mechanism, described first locking mechanism bag Qian: mounting panel, forms installing hole and translational guidance structure and translation limiting structure; Operation of cam, rotates and is arranged in described installing hole, rotate by the operation of operating personnel; Interlock plate, forms the translation fit structure coordinated with described translation limiting structure, only moves by predetermined direction to limit described interlock plate; And form the guiding fit structure with described translational guidance respective outer side edges; Interlocking driving lever, one end connects on the eccentric shaft position of described operation of cam, described interlocking driving lever is also provided with guiding actuated components, under the rotarily driving of described operation of cam, described guiding actuated components coordinates described translational guidance structure and described guiding fit structure to drive described interlock plate to move back and forth, and realizes the locking to associated components or unblock.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, described translational guidance structure is be molded over the guiding groove on described mounting panel; Described translation fit structure is be molded over the mating groove on described interlock plate; Described actuated components is the actuator pin through described guiding groove and described mating groove, and described actuator pin moves along described guiding groove and drives described interlock plate to move by described mating groove.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, start position and the described mating groove distance in a transverse direction of described guiding groove are L1, the final position of described guiding groove and described mating groove are L2 in the distance of translation direction, wherein | and L2-L1| >=described interlock plate can unlock or lock the shift value of described associated components.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, the oblique guiding groove of described guiding groove bag Qian, and to be communicated with described oblique guiding groove and perpendicular to the vertical guiding groove of described translation direction.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, the oblique mating groove of described mating groove bag Qian, and to be communicated with described oblique mating groove and perpendicular to the vertical mating groove of described translation direction.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, described vertical guiding groove is equal with described vertical mating groove length and position is corresponding, and described oblique guiding groove and mirror image equal with described oblique mating groove length is arranged.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, described at least one limiting groove extended along described translation direction of translation limiting structure bag Qian, the guide finger that described translation fit structure bag Qian coordinates with described limiting groove, moves along translation direction to make described interlock plate.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, described at least one guide finger of translation limiting structure bag Qian; Described guiding fit structure bag Qian coordinates with described guide finger, and extends and limiting groove along described translation direction, moves along described translation direction to make described interlock plate.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, described interlocking driving lever is provided with elongated hole, described operation of cam forms the trundle stretched in described elongated hole, to drive described interlocking driving lever to swing when reversing described operation of cam by described trundle.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, described mounting panel is that L shape installs version, described operation of cam, interlock plate and interlocking driving lever are separately positioned on the vertical plane of L shape mounting panel, and the horizontal plane of L shape mounting panel is provided with the through hole stretched out for described interlocking driving lever lower end.
In above-mentioned hand propelled low-voltage distribution cabinet mechanical interlocks, interlock plate forms the projective structure for locking or unlocking near the side of described associated components.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1, in hand propelled low-voltage distribution cabinet mechanical interlocks of the present utility model, translational guidance structure can hinder the motion of actuated components to a certain extent, operation of cam is made to need relatively large power that interlocking driving lever could be driven along translational guidance structure motion, therefore in the present embodiment, operation of cam position does not need larger installing space, thus reduces the installing space of interlock.
2, in hand propelled low-voltage distribution cabinet mechanical interlocks of the present utility model, operation of cam can Direct driver interlocking driving lever Xiang Xia Pinch enter, locked drawer functional unit and power distribution cabinet; Interlocking driving lever Xiang Xia the Pinch process that enters in, direct drive interlock plate transverse translation locking associated components, more than to interlock the locking of driving lever or unblock, with locking or the unblock of interlock plate, be Direct driver, do not comprise intermediate transmission mechanism, simplify the structure of existing interlock, contribute to reducing production cost.
3, in hand propelled low-voltage distribution cabinet mechanical interlocks of the present utility model, oblique guiding groove is owing to arranging with oblique mating groove mirror image, make the actuator pin of interlocking on driving lever comparatively reasonably distance of moving on oblique guiding groove interlock plate can be pushed to unblock or latched position, by adjusting the angle of inclination of oblique guiding groove and oblique mating groove, the anglec of rotation of adjustable operated by personnel operation of cam, preferred oblique guiding groove and oblique mating groove are the skewed slot at 45 ° of inclinations angle, avoid only rotating very little angle interlock plate just unlocked or locked, interlock plate just can be made to unlock or locking with rotation larger angle, to ensure that staff has preferably operating experience.
Accompanying drawing explanation
In order to make content of the present utility model more clearly be managed, below in conjunction with accompanying drawing, Zhong mono-step detailed description is done to the utility model, wherein,
Fig. 1 is the structural representation of hand propelled low-voltage distribution cabinet mechanical interlocks of the present utility model;
Fig. 2 is Fig. 1 schematic diagram dorsad;
Fig. 3 is the structural representation of locking mechanism in hand propelled low-voltage distribution cabinet mechanical interlocks of the present utility model;
Fig. 4 is the structural representation of the mating groove in hand propelled low-voltage distribution cabinet mechanical interlocks of the present utility model on interlock plate and the guiding groove on mounting panel;
Description of reference numerals
10-operation of cam; 20-interlocks driving lever; 21-elongated hole; 101-trundle; 11-operation of cam; 111-positioning convex; 31-interlock plate; 311-guiding groove; 312-mating groove; The oblique guiding groove of 311a-; The vertical guiding groove of 311b-; The oblique mating groove of 312a-; The vertical mating groove of 312b-; 313-limiting groove.
Embodiment
Below with reference to accompanying drawing to extractable low-voltage power distribution cabinet indicator light switching mechanism of the present utility model and the introduction of extractable low-voltage power distribution cabinet mechanical interlock mechanism Zhong capable Zhong mono-step, it should be noted that at this, explanation for following execution mode understands the utility model for helping, but does not form restriction of the present utility model.In addition, if below in described each execution mode of the utility model involved technical characteristic do not form conflict each other and just can be combined with each other.
The present embodiment provides a kind of hand propelled low-voltage distribution cabinet mechanical interlocks, bag Qian first locking mechanism and detent mechanism, described first locking mechanism bag Qian, form the mounting panel of installing hole and translational guidance structure and translation limiting structure, this mounting panel is the installation foundation of miscellaneous part in the mechanical interlocks of the present embodiment, be respectively arranged with operation of cam 10 on a mounting board, interlocking driving lever 20 and interlock plate 31, staff drives interlocking driving lever 20 to swing by rotary manipulation cam 10, swung by interlocking driving lever 20 again and drive interlock plate 31 translation, thus the locking and unlocking realized associated components.
Particularly, with reference to figure 1 and Fig. 3, installing hole is arranged on mounting panel upper position, and rotate in installing hole and be provided with operation of cam 10, staff is by spanner or miscellaneous part rotating operation cam 10.One end of interlocking driving lever 20 is connected on the eccentric shaft position of described operation of cam 10, when staff's rotating operation cam 10 time, is swung by drive interlocking driving lever 20.With reference to figure 2, be also provided with translational guidance structure on a mounting board, described interlocking driving lever 20 be provided with the actuated components with translational guidance respective outer side edges, like this when the stressed swing of driving lever 20 of interlocking, actuated components can be made to move along translational guidance structure.
With reference to figure 2, interlock plate 31 is arranged on the below mounting panel of operation of cam 10, is provided with the translation limiting structure cooperatively interacted and coordinates and translation fit structure, thus when making interlock plate 31 movement under force, can press predetermined direction translation between mounting panel and interlock plate.Simultaneously, interlock plate 31 is also provided with the guiding fit structure matched with described actuated components and described translational guidance structure, when brake component moves along translational guidance structure, move by interlock plate 31 during actuated components driving guiding fit structure, cause interlock plate 31 to move back and forth along translational guidance structure, realize the locking to associated components or unblock.
Above-mentioned execution mode is the core technology scheme of the present embodiment, obvious translational guidance structure can hinder the motion of actuated components to a certain extent, operation of cam 10 is made to need relatively large power that interlocking driving lever 20 could be driven along translational guidance structure motion, therefore in the present embodiment, operation of cam 10 position does not need larger installing space, thus reduces the installing space of interlock.Meanwhile, operation of cam 10 can Direct driver interlocking driving lever 20 Xiang Xia Pinch enter, locked drawer functional unit and power distribution cabinet; Interlocking driving lever 20 Xiang Xia the Pinch process that enters in, direct drive interlock plate 31 transverse translation locking associated components, more than to interlock the locking of driving lever 20 or unblock, with locking or the unblock of interlock plate 31, be Direct driver, do not comprise intermediate transmission mechanism, simplify the structure of existing interlock, contribute to reducing production cost.
Zhong mono-step, with reference to figure 2, Fig. 4, described translational guidance structure is the guiding groove 311 be molded on described mounting panel; Described translation fit structure is be molded over the mating groove 312 on described interlock plate 31; The condition of demand fulfillment is that the path of guiding groove 311 and mating groove 312 is not quite identical, actuated components like this through described guiding groove and described mating groove just can by means of mating groove 312 in the process along guiding groove 311 movement, interlock plate 31 is moved, particularly, actuated components is molded over the actuator pin on interlocking driving lever, and actuator pin is simultaneously through guiding groove 311 and mating groove 312.
More Zhong mono-step, in the process moved down, interlock plate 31 is driven to move in order to enable banking pin, guiding groove 311 and mating groove 312 should meet the following conditions, start position and described mating groove 312 distance in a transverse direction of described guiding groove 311 are L1, the final position of described guiding groove 311 and described mating groove 312 are L2 in the distance of translation direction, wherein | and L2-L1| >=described interlock plate 31 can unlock or lock the shift value of described associated components.
The set-up mode of guiding groove 311 and mating groove 312 is described in detail below with reference to Fig. 4:
As a kind of preferred implementation of guiding groove 311 and mating groove 312, guiding groove 311 wraps the oblique guiding groove 311a of Qian, and to be communicated with described oblique guiding groove 311a and perpendicular to the vertical guiding groove 311b of described translation direction, wherein vertical guiding groove 311b is preferably arranged on the top of oblique guiding groove 311a.Described mating groove 312 wraps the oblique mating groove 312a of Qian, and is communicated with described oblique mating groove 312a and perpendicular to the vertical mating groove 312b of described translation direction.Particularly, from Fig. 1, Fig. 2, described vertical guiding groove 311b is equal with described vertical mating groove 312b length and position is corresponding, and described oblique guiding groove 311a and mirror image equal with described oblique mating groove 311b length is arranged.Like this when banking pin is at the highest notch, the top and bottom of vertical guiding groove 311b and vertical mating groove 312b overlap, like this after banking pin moves to oblique guiding groove 311a, interlock plate 31 translation can be driven immediately, oblique guiding groove 311a is owing to arranging with oblique mating groove 311b mirror image, make the actuator pin of interlocking on driving lever 20 comparatively reasonably distance of moving on oblique guiding groove 311a interlock plate 31 can be pushed to unblock or latched position, by adjusting the angle of inclination of oblique guiding groove 311a and oblique mating groove 312a, the anglec of rotation of adjustable operated by personnel operation of cam 10, in the present embodiment, preferred oblique guiding groove 311a and oblique mating groove 312a is the skewed slot at 45 ° of inclinations angle, avoid only rotating very little angle interlock plate 31 just unlocked or locked, interlock plate 31 just can be made to unlock or lock with rotation larger angle, to ensure that staff has preferably operating experience.
The set-up mode of translation limiting structure in the present embodiment is described in detail below in conjunction with Fig. 2:
As one preferred embodiment, described at least one limiting groove 313 extended along described translation direction of translation limiting structure bag Qian, the guide finger that described translation fit structure bag Qian coordinates with described limiting groove 313, moves along translation direction to make described interlock plate 31.
As a kind of variant embodiment of above-mentioned translation limiting structure, described at least one guide finger of translation limiting structure bag Qian; Described guiding fit structure bag Qian coordinates with described guide finger, and extends and limiting groove 313 along described translation direction, moves along described translation direction to make described interlock plate 31.The set-up mode of obvious translation limiting structure has multiple set-up mode, but is not limited to two kinds described above, and those skilled in the art should be able to carry out the set-up mode of Choice and design translation limiting structure according to the actual requirements.
In addition, described interlocking driving lever 20 is provided with elongated hole 21, described operation of cam 10 forms the trundle 101 stretched in described elongated hole 21, to drive described interlocking driving lever 20 to swing when reversing described operation of cam 10 by described trundle 101; Described mounting panel is that L shape installs version, and described operation of cam 10, interlock plate 31 and interlocking driving lever 20 are separately positioned on the vertical plane of L shape mounting panel, and the horizontal plane of L shape mounting panel is provided with the through hole stretched out for described interlocking driving lever 20 lower end.As shown in Figure 1, interlock plate 31 forms the projective structure for locking or unlocking near the side of described associated components, the side of projective structure is that a Shui Ping Pinch plate Shui Ping Pinch plate forms lock hole, when driving lever 20 of interlocking moves downward, to interlock plate 31 be driven to move to the right direction shown in Fig. 1 by actuator pin, now described projective structure extend in the lock hole of described Shui Ping Pinch plate, thus plays locking action to Shui Ping Pinch plate; When driving lever 20 of interlocking moves upward, the projective structure of interlock plate 31 exits lock hole, and Shui Ping Pinch plate can be movable.
Below with reference to Fig. 1-Fig. 4, describe the course of work of the hand propelled low-voltage distribution cabinet mechanical interlocks of the present embodiment in detail:
As shown in Figure 1, the hand propelled low-voltage distribution cabinet mechanical interlocks of the present embodiment is in released state, and the course of work being become lock-out state is as follows.Staff uses instrument twist operation cam 10, now in operation of cam 10, positioning convex 111 passes torque to the elongated hole 21 on interlocking driving lever 20, Zhong and drive interlocking driving lever 20 to lower swing, now with reference to figure 2, the actuated components of interlocking on driving lever moves along guiding groove 311.Interlock plate 31 and mounting panel are provided with the limiting groove 313 that translation direction extends, therefore interlock plate 31 moves along the bearing of trend of limiting groove 313 to the left side shown in Fig. 2, actuated components, when moving to oblique guiding groove 311b, can promote interlock plate 31 to the left side translation shown in Fig. 2.With reference to figure 3 and Fig. 4, interlock plate 31 enters in the lock hole on associated components (the flat Pinch plate of water) to Zhong after the right side translation shown in Fig. 3, thus locking associated components, final actuated components moves to the end of guiding groove 311.
Releasing process is the counter motion of above-mentioned locking process, reverse rotation operation of cam 10, and interlocking driving lever 20 moves up and interlock plate is moved to the left side shown in Fig. 3, exits, complete unblock from the lock hole of associated components.It should be noted that, interlocking driving lever 20, when drawer function unit is in link position, can extend in the hole corresponding with its position, below, thus by power distribution cabinet and drawer function unit locking, drawer function unit can not be moved.
Obviously, above-described embodiment is only for clearly example being described, the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (11)
1. a hand propelled low-voltage distribution cabinet mechanical interlocks, bag the Qian: the first locking mechanism, is characterized in that, described first locking mechanism bag Qian:
Mounting panel, forms installing hole and translational guidance structure and translation limiting structure;
Operation of cam (10), rotates and is arranged in described installing hole, rotate by the operation of operating personnel;
Interlock plate (31), forms the translation fit structure coordinated with described translation limiting structure, only moves by predetermined direction to limit described interlock plate (31); And form the guiding fit structure with described translational guidance respective outer side edges;
Interlocking driving lever (20), one end connects on the eccentric shaft position of described operation of cam (10), described interlocking driving lever (20) is also provided with guiding actuated components, under the rotarily driving of described operation of cam (10), described guiding actuated components coordinates described translational guidance structure and described guiding fit structure to drive described interlock plate (31) to move back and forth, and realizes the locking to associated components or unblock.
2. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 1, is characterized in that: described translational guidance structure is the guiding groove (311) be molded on described mounting panel; Described translation fit structure is for being molded over the mating groove (312) on described interlock plate (31); Described actuated components is the actuator pin through described guiding groove and described mating groove, and described actuator pin is moved along described guiding groove and driven by described mating groove described interlock plate (31) mobile.
3. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 2, it is characterized in that: start position and described mating groove (312) distance in a transverse direction of described guiding groove (311) are L1, the final position of described guiding groove (311) and described mating groove (312) they are L2 in the distance of translation direction, wherein | and L2-L1| >=described interlock plate (31) can unlock or lock the shift value of described associated components.
4. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 3, it is characterized in that: described guiding groove (311) the bag oblique guiding groove of Qian (311a), and to be communicated with described oblique guiding groove (311a) and perpendicular to the vertical guiding groove (311b) of described translation direction.
5. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 4, it is characterized in that: the oblique mating groove (312a) of described mating groove (312) bag Qian, and to be communicated with described oblique mating groove (312a) and perpendicular to the vertical mating groove (312b) of described translation direction.
6. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 5, it is characterized in that: described vertical guiding groove (311b) is equal with described vertical mating groove (312b) length and position is corresponding, described oblique guiding groove (311a) and mirror image equal with described oblique mating groove (311b) length is arranged.
7. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 1, it is characterized in that: described at least one limiting groove extended along described translation direction (313) of translation limiting structure bag Qian, the guide finger that described translation fit structure bag Qian coordinates with described limiting groove (313), moves along translation direction to make described interlock plate (31).
8. hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 1, is characterized in that: described at least one guide finger of translation limiting structure bag Qian; Described guiding fit structure bag Qian coordinates with described guide finger, and extends and limiting groove (313) along described translation direction, moves along described translation direction to make described interlock plate (31).
9. the hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 7 or 8, it is characterized in that: described interlocking driving lever (20) is provided with elongated hole (21), described operation of cam (10) forms the trundle (101) stretched in described elongated hole (21), to drive described interlocking driving lever (20) to swing when reversing described operation of cam (10) by described trundle (101).
10. the hand propelled low-voltage distribution cabinet mechanical interlocks according to claim 7 or 8, it is characterized in that: described mounting panel is that L shape installs version, described operation of cam (10), interlock plate (31) and interlocking driving lever (20) are separately positioned on the vertical plane of L shape mounting panel, and the horizontal plane of L shape mounting panel is provided with the through hole stretched out for described interlocking driving lever (20) lower end.
11. hand propelled low-voltage distribution cabinet mechanical interlockss according to claim 7 or 8, is characterized in that: interlock plate (31) forms the projective structure for locking or unlocking near the side of described associated components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536463.XU CN205178354U (en) | 2015-07-22 | 2015-07-22 | Pull -out type low -voltage distribution is mechanical interlocking device for cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520536463.XU CN205178354U (en) | 2015-07-22 | 2015-07-22 | Pull -out type low -voltage distribution is mechanical interlocking device for cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178354U true CN205178354U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520536463.XU Expired - Fee Related CN205178354U (en) | 2015-07-22 | 2015-07-22 | Pull -out type low -voltage distribution is mechanical interlocking device for cabinet |
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| CN (1) | CN205178354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470846A (en) * | 2015-07-22 | 2016-04-06 | 温州德源电气有限公司 | Mechanical interlock device for withdrawable low voltage distribution cabinet |
-
2015
- 2015-07-22 CN CN201520536463.XU patent/CN205178354U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470846A (en) * | 2015-07-22 | 2016-04-06 | 温州德源电气有限公司 | Mechanical interlock device for withdrawable low voltage distribution cabinet |
| CN105470846B (en) * | 2015-07-22 | 2019-02-19 | 温州德源电气有限公司 | A kind of extractable low-voltage power distribution cabinet mechanical interlocks |
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| 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: 20160420 Termination date: 20190722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |