CN105207100A - Low-voltage switch cabinet - Google Patents
Low-voltage switch cabinet Download PDFInfo
- Publication number
- CN105207100A CN105207100A CN201510563981.5A CN201510563981A CN105207100A CN 105207100 A CN105207100 A CN 105207100A CN 201510563981 A CN201510563981 A CN 201510563981A CN 105207100 A CN105207100 A CN 105207100A
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- Prior art keywords
- sealing block
- housing
- drawer
- switch
- block
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- 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.)
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a low-voltage switch cabinet comprising a hollow shell which is internally provided with multiple drawer mechanisms. Each drawer structure comprises a drawer body and a drawer sealing mechanism. One set of drawer sealing mechanism is respectively arranged at the upper part and the lower part of each drawer body. The two sides of the contacted end surfaces of the first sealing block and the second sealing block of each set of drawer sealing mechanism are respectively provided with a first connecting block which extends to the second sealing block. The end surface, which is contacted with the first sealing block, of the second sealing block is provided with a first connecting part capable of being clamped between two first connecting blocks. The two sides of the first connecting part are respectively provided with a first groove. Each first groove is internally provided with a first spring and a first positioning column. One end of the first positioning column is abutted against the first spring, and the other end of the first positioning column penetrates through the first groove in a position limiting way and then stretches into a first accommodating groove arranged in the first connecting part. According to the low-voltage switch cabinet, sealing performance can still be guaranteed when different sizes of drawer bodies are installed simultaneously.
Description
Technical field
The present invention relates to a kind of switch cubicle, particularly relate to a kind of low-tension switch cabinet.
Background technology
Low-tension switch cabinet is applicable to the industries such as power plant, oil, chemical industry, metallurgy, weaving, skyscraper, only uses as transmission of electricity, distribution and electric energy conversion.From a structural point, fixed and pull-out type two class is generally divided into.Wherein, draw out switchgear cabinet is made up of the cabinet fixed and the mobile unit part that the major electrical equipment elements such as switch are housed, can move part moves when changing light, after moving into, location is reliable, and the drawer of identical type and specification can reliably exchange, the processing method of the cabinet part in the processing method fundamental sum fixed switching cabinet of the cabinet part in draw out switchgear cabinet is similar.
Traditional low-tension switch cabinet does not arrange back door usually, and this is because the bus frame of its horizontal copper bar and the horizontal copper bar of installation is all positioned at the rear side of cabinet, and horizontal copper bar very easily causes arcing, if arrange back door, has larger risk of shock.But if do not arrange back door, the maintenance of switch cubicle is just very difficult.In addition, the ability of the switch cubicle of the integrated multiple different size of common low-tension switch cabinet is poor, and the versatility of drawer is not enough.
In addition, when traditional drawer of low-voltage switch cabinet installs the drawer of different size simultaneously, the obturation effect of low-tension switch cabinet entirety is poor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of low-tension switch cabinet ensureing the low-tension switch cabinet Integral sealing effect using different size drawer.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of low-tension switch cabinet, comprise the housing of hollow, some drawer mechanisms are provided with in described housing, each described drawer structure comprises drawer body and drawer sealing mechanism, the front end face of described housing offers the drawer installing port for installing drawer body, described drawer body is slidably connected with housing after inserting drawer installing port, is respectively equipped with a nest of drawers sealing mechanism above and below each described drawer body;
Often overlap described drawer sealing mechanism and comprise the first sealing block, second sealing block, first spring, second spring, first reference column and the second reference column, the end face both sides that described first sealing block contacts with the second sealing block are respectively equipped with the first contiguous block extended to the second sealing block, the end face that described second sealing block contacts with the first sealing block is provided with first connecting portion that can snap between two the first contiguous blocks, the both sides of described first connecting portion offer the first groove respectively, the first spring and the first reference column is separately installed with in each described first groove, one end and first spring of described first reference column offset, the other end of described first reference column is spacing pass the first groove after stretch into and be opened in the first storage tank of the first contiguous block,
The end face both sides that described second sealing block contacts with housing respectively on be extended with the second contiguous block, described housing is provided with second connecting portion that can snap between two the second contiguous blocks, the both sides of described second connecting portion offer the second groove respectively, the second spring and the second reference column is separately installed with in each described second groove, one end and second spring of described second reference column offset, the other end of described second reference column is spacing pass the second groove after stretch into and be opened in the second storage tank of the second contiguous block.
Preferably, corresponding described first sealing block is provided with the first switching mechanism, and corresponding described second sealing block is provided with second switch mechanism;
Described first switching mechanism comprises the first switch lever and the first floatless switch, one end of described first switch lever is provided with first lever that can limit the first sealing block, the other end of described first switch lever is connected with the first floatless switch, and the front end face of described housing offers can install the first switch fixed first mounting groove;
Described second switch mechanism comprises second switch bar and the second floatless switch, one end of described second switch bar is provided with second lever that can limit the second sealing block, the other end of described second switch bar is connected with the second floatless switch, and the front end face of described housing offers can install the second switch fixed second mounting groove;
First sealing block can be limited to vertical state or the state perpendicular with housing by described first switching mechanism;
Second sealing block can be limited to vertical state or the state perpendicular with housing by described second switch mechanism.
Preferably, the side end face of described first sealing block is provided with the first jack inserted for the first lever, and under the state that described first lever inserts the first jack, described first sealing block is vertical with housing;
The side end face of described second sealing block is provided with the second jack inserted for the second lever, and under the state that described second lever inserts the second jack, described second sealing block is vertical with housing.
Preferably, when described drawer body stretches into closed after drawer installing port, described first sealing block, the second sealing block are respectively in vertical state.
Preferably, when described drawer body stretches into closed after drawer installing port, the vertical state of described second sealing block, its vertical with the second sealing block of described first sealing block extends to enclosure interior.
Preferably, when described drawer body to stretch into after drawer installing port closed, described first sealing block, the second sealing block are vertical with housing respectively and extend towards enclosure interior respectively, and described first sealing block, the second sealing block are positioned at same plane.
The drawer sealing mechanism of above-mentioned three kinds of states can ensure that low-tension switch cabinet is when using the drawer of switch cabinet of different size, the obturation effect of low-tension switch cabinet entirety.
Preferably, the rear side of described housing is provided with rear door mechanism, door observed by the switch cubicle that described rear door mechanism comprises rear door of switch cabinet and insulation transparent, and described rear door of switch cabinet, switch cubicle are observed door and be connected with housing into rotation respectively, and described switch cubicle observes door between rear door of switch cabinet and housing.
Preferably, door observed by described switch cubicle is acrylic plate.
Preferably, described drawer body is slidably connected by drawer guideway assembly and housing, described drawer guideway assembly comprises chute and slide block, the madial wall of described housing is provided with the mount pad extended along enclosure interior, described chute is installed in this mount pad, the both sides of described drawer body are respectively equipped with slide block, and every block slide block is installed on respectively also can along slide in corresponding chute.
Compared with prior art, the invention has the advantages that: this low-tension switch cabinet drawer sealing mechanism that often corresponding one group of drawer organization establishes two nested structures are identical, between first sealing block of every nest of drawers sealing mechanism and the second sealing block, and second is respectively equipped with the first reference column and the second reference column between sealing block and housing, first sealing block can be rotated relative to the second sealing block, the relative housing into rotation of second sealing block, to reach the effect applying to different size drawer body.
Therefore, the Main Function of the drawer closing means of this low-tension switch cabinet is that low pressure makes switch cubicle when using the drawer body of different size, still can ensure the obturation effect of low-tension switch cabinet entirety, the internal structure of low-tension switch cabinet can not be revealed, can ensure the surfacing of low-tension switch cabinet, outward appearance is good simultaneously.
Accompanying drawing explanation
Fig. 1 is the low-tension switch cabinet volume structural representation after embodiment opens rear door mechanism;
Fig. 2 is the decomposing schematic representation of embodiment low-tension switch cabinet;
Fig. 3 is the enlarged diagram of components A in Fig. 2;
Fig. 4 is the structural representation of embodiment housing;
Fig. 5 is the structural representation of embodiment drawer sealing mechanism;
Fig. 6 is the enlarged diagram of part B in Fig. 5;
Fig. 7 is embodiment first drawer body when closing, the structural representation of drawer sealing mechanism;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is embodiment second drawer body when closing, the structural representation of drawer sealing mechanism;
Figure 10 is the vertical view of Fig. 9;
Figure 11 is embodiment the 3rd drawer body when closing, the structural representation of drawer sealing mechanism;
Figure 12 is the vertical view of Figure 11.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
The low-tension switch cabinet of the present embodiment, as shown in Figures 1 to 12, comprise the housing 1 of hollow, the open rearward end of its middle shell 1, for arranging rear door mechanism, the front end face of housing 1 offers three for installing the drawer installing port 28 of different size drawer body, the size of drawer installing port 28 and the size of drawer body suitable.
Some drawer mechanisms are provided with in housing 1, each drawer structure comprises drawer body and drawer sealing mechanism, after drawer body inserts suitable with it drawer installing port 28 and housing 1 be slidably connected, be respectively equipped with the drawer sealing mechanism that a nested structure is symmetrical above and below each drawer body.
Every nest of drawers sealing mechanism comprises the first sealing block 8, second sealing block 9, first spring 22, second spring 17, first reference column 21 and the second reference column 16, the end face both sides that first sealing block 8 contacts with the second sealing block 9 are respectively equipped with the first contiguous block 25 extended to the second sealing block 9, the end face that second sealing block 9 contacts with the first sealing block 8 is provided with first connecting portion 31 that can snap between two the first contiguous blocks 25, the both sides of the first connecting portion 31 offer the first groove 27 respectively, the first spring 22 and the first reference column 21 is separately installed with in each first groove 27, one end and first spring 22 of the first reference column 21 offset, the other end of the first reference column 21 is spacing pass the first groove 27 after stretch into and be opened in the first storage tank 23 of the first contiguous block 25, said structure is the syndeton between the first sealing block 8 and the second sealing block 9.
The end face both sides that second sealing block 9 contacts with housing 1 front end face respectively on be extended with the second contiguous block 26, the front end face of housing 1 is provided with second connecting portion 29 that can snap between two the second contiguous blocks 26, the both sides of the second connecting portion 29 offer the second groove 30 respectively, the second spring 17 and the second reference column 16 is separately installed with in each second groove 30, one end and second spring 17 of the second reference column 16 offset, the other end of the second reference column 16 is spacing pass the second groove 30 after stretch into and be opened in the second storage tank 24 of the second contiguous block 26.Said structure is the syndeton between the second sealing block 9 and housing 1.
Wherein, the structure of the first reference column 21, second reference column 16 is T-shaped respectively, namely main body is cylinder, its end is provided with a gear platform, corresponding, the sidewall of the first groove 27, second groove 30 is respectively equipped with the circular hole that only can pass for cylinder body, and its gear decometer is in the first groove 27 or the second groove 30.Second sealing block 9 is concrete as shown in Figure 6 with the syndeton of housing 1, and the syndeton of the first sealing block 8 and the second sealing block 9 is as Fig. 6.
By the first spring 22, second spring 17 respectively to the dilating effect of the first reference column 21, second reference column 16, respectively the first sealing block 8, second sealing block 9 is positioned on housing 1.
When the drawer sealing mechanism of said structure can make housing 1 be connected with closure bar (the first sealing block 8, second sealing block 9), both outer surfaces on same plane, can not have ladder sense, do not have too large gap yet, can not affect outward appearance; Meanwhile, this structure can ensure that the second sealing block 9 can rotate around the second reference column 16, and the first sealing block 8 can rotate around the first locating piece, reaches the effect applying to different size switch cabinet drawer.
In order to limit the movement of the first sealing block 8, second sealing block 9, corresponding first sealing block 8 is provided with the first switching mechanism, and corresponding described second sealing block 9 is provided with second switch mechanism.
First switching mechanism comprises the first switch lever 19 and the first floatless switch 18, one end of first switch lever 19 is provided with first lever 20 that can limit the first sealing block 8, the other end of the first switch lever 19 is connected with the first floatless switch 18, and the front end face of housing 1 offers the first mounting groove installing the first floatless switch 18;
Second switch mechanism comprises second switch bar 13 and the second floatless switch 15, one end of second switch bar 13 is provided with second lever 14 that can limit the second sealing block 9, the other end of second switch bar 13 is connected with the second floatless switch 15, and the front end face of housing 1 offers the second mounting groove installing the second floatless switch 15;
First sealing block 8 can be limited to vertical state or the state perpendicular with housing 1 by the first switching mechanism;
Second sealing block 9 can be limited to vertical state or the state perpendicular with housing 1 by second switch mechanism.
Concrete, the side end face of the first sealing block 8 is provided with the first jack inserted for the first lever 20, and under the state that the first lever 20 inserts the first jack, the first sealing block 8 is vertical with housing 1; Same, the side end face of the second sealing block 9 is provided with the second jack 32 inserted for the second lever 14, and under the state that the second lever 14 inserts the second jack 32, the second sealing block 9 is vertical with housing 1.Second offering of jack 32 refers to Fig. 3, the first jack offer with reference to the second jack 32 offer position.
Based on the drawer sealing mechanism of said structure, because the second sealing block 9 can around the second reference column 16 housing 1 vertical rotating relatively, first sealing block 8 can around relative second sealing block 9 vertical rotating of the first reference column 21 simultaneously, so pass through the position of rotation of the first sealing block 8, second sealing block 9, low-tension switch cabinet can install the drawer body of different size.The specification of conventional drawer body has small-sized specification (100mm ~ 250mm), medium-sized specification (200mm ~ 400mm) and large-scale specification (350mm ~ 500mm).
The low-tension switch cabinet of the present embodiment has installed the drawer body of three kinds of specifications simultaneously, as shown in Figure 1, is followed successively by the first drawer body 5 of small-sized specification, the second drawer body 6 of medium-sized specification and the 3rd drawer body 7 of large-scale specification from top to bottom.
After first drawer body 5 of small-sized specification is closed after stretching into drawer installing port 28, the first sealing block 8, second sealing block 9 is respectively in vertical state, and now, the first switching mechanism, second switch mechanism are in closure state respectively, as shown in Figure 7,8.
As shown in Fig. 9,10, after second drawer body 6 of medium-sized specification is closed after stretching into drawer installing port 28, second sealing block 9 is state vertically, first sealing block 8 vertical with the second sealing block 9 and to housing 1 inside extend, now, second switch mechanism is in closure state, and the first lever 20 of the first switching mechanism inserts in the first jack of the first sealing block 8 side end face.
As shown in Figure 11,12, after 3rd drawer body 7 of large-scale specification is closed after stretching into drawer installing port 28, first sealing block 8, second sealing block 9 vertical with housing 1 respectively and respectively towards housing 1 inside extend, and the first sealing block 8, second sealing block 9 is positioned at same plane, now, first lever 20 of the first switching mechanism inserts in the first jack of the first sealing block 8 side end face, and the second lever 14 of second switch mechanism inserts in the second jack 32 of the second sealing block 9 side end face.
The rear door mechanism of the present embodiment comprises rear door of switch cabinet 2 and observes door 3 with the switch cubicle of insulation transparent, and rear door of switch cabinet 2, switch cubicle are observed door 3 and be rotationally connected with housing 1 respectively, and switch cubicle observes door 3 between rear door of switch cabinet 2 and housing 1.Concrete, rear door of switch cabinet 2 is connected by keeper assembly 4 with housing 1, and switch cubicle is observed door 3 and is also connected by keeper assembly 4 with housing 1.Rear door of switch cabinet 2, switch cubicle are observed door 3 and are respectively equipped with door handle, in order to easy to operate, the switch direction that door 3 observed by rear door of switch cabinet 2 and switch cubicle is contrary, such as, is connected with housing 1 on the left of rear door of switch cabinet 2, and the door handle of rear door of switch cabinet 2 is arranged on the rear side of rear door of switch cabinet 2; Switch cubicle is observed on the right side of door 3 and is connected with housing 1, and the door handle of switch cubicle observation door 3 is arranged on the left side of rear door of switch cabinet 2, and meanwhile, the door handle place that door 3 observed by the corresponding switch cubicle of rear door of switch cabinet 2 offers the opening stretched out for door handle.
The composition material that door 3 observed by switch cubicle is acrylic plate, and acrylic plate belongs to insulation transparent plastics.When low-tension switch cabinet normally works, rear door of switch cabinet 2 is placed in switch cubicle and observes on rear side of door 3, and overall low-tension switch cabinet appearance material is unified, can not affect attractive in appearance; When low-tension switch cabinet need be checked, can only open rear door of switch cabinet 2, and observe door 3 without the need to opening switch cubicle, whether observing door 3 because of switch cubicle is acrylic plates, break down so directly can observe low-tension switch cabinet internal wiring, if without breaking down, door is observed without the need to continuing to open low-voltage cabinet, if break down or arc phenomenon, because of the protection of low-voltage cabinet switch gate, maintainer can not be subject to the injury of fault and arc phenomenon; Can determine after without danger, then low-tension switch cabinet is being placed under repair.
Wherein, drawer body is slidably connected by drawer guideway assembly and housing 1, drawer guideway assembly comprises chute 11 and slide block 12, the madial wall of housing 1 is provided with the mount pad 10 extended along housing 1 inside, chute 11 is installed on this mount pad 10, the both sides of drawer body are respectively equipped with slide block 12, and every block slide block 12 is installed on respectively in corresponding chute 11 and also can slides along chute 11.
Claims (9)
1. a low-tension switch cabinet, comprise the housing (1) of hollow, some drawer mechanisms are provided with in described housing (1), it is characterized in that: each described drawer structure comprises drawer body and drawer sealing mechanism, the front end face of described housing (1) offers the drawer installing port (28) for installing drawer body, described drawer body inserts drawer installing port (28) and is slidably connected with housing (1) afterwards, is respectively equipped with a nest of drawers sealing mechanism above and below each described drawer body;
Often overlap described drawer sealing mechanism and comprise the first sealing block (8), second sealing block (9), first spring (22), second spring (17), first reference column (21) and the second reference column (16), the end face both sides that described first sealing block (8) contacts with the second sealing block (9) are respectively equipped with the first contiguous block (25) extended to the second sealing block (9), the end face that described second sealing block (9) contacts with the first sealing block (8) is provided with first connecting portion (31) that can snap between two the first contiguous blocks (25), the both sides of described first connecting portion (31) offer the first groove (27) respectively, the first spring (22) and the first reference column (21) is separately installed with in each described first groove (27), one end and first spring (22) of described first reference column (21) offset, the other end of described first reference column (21) is spacing pass the first groove (27) after stretch into and be opened in first storage tank (23) of the first contiguous block (25),
The end face both sides that described second sealing block (9) contacts with housing (1) respectively on be extended with the second contiguous block (26), the front end face of described housing (1) is provided with second connecting portion (29) that can snap between two the second contiguous blocks (26), the both sides of described second connecting portion (29) offer the second groove (30) respectively, the second spring (17) and the second reference column (16) is separately installed with in each described second groove (30), one end and second spring (17) of described second reference column (16) offset, the other end of described second reference column (16) is spacing pass the second groove (30) after stretch into and be opened in second storage tank (24) of the second contiguous block (26).
2. low-tension switch cabinet according to claim 1, is characterized in that: corresponding described first sealing block (8) is provided with the first switching mechanism, and corresponding described second sealing block (9) is provided with second switch mechanism;
Described first switching mechanism comprises the first switch lever (19) and the first floatless switch (18), one end of described first switch lever (19) is provided with first lever (20) that can limit the first sealing block (8), the other end of described first switch lever (19) is connected with the first floatless switch (18), and the front end face of described housing (1) offers the first mounting groove installing the first floatless switch (18);
Described second switch mechanism comprises second switch bar (13) and the second floatless switch (15), one end of described second switch bar (13) is provided with second lever (14) that can limit the second sealing block (9), the other end of described second switch bar (13) is connected with the second floatless switch (15), and the front end face of described housing (1) offers the second mounting groove installing the second floatless switch (15);
First sealing block (8) can be limited to vertical state or the state perpendicular with housing (1) by described first switching mechanism;
Second sealing block (9) can be limited to vertical state or the state perpendicular with housing (1) by described second switch mechanism.
3. low-tension switch cabinet according to claim 2, it is characterized in that: the side end face of described first sealing block (8) is provided with the first jack inserted for the first lever (20), under the state that described first lever (20) inserts the first jack, described first sealing block (8) is vertical with housing (1);
The side end face of described second sealing block (9) is provided with the second jack (32) inserted for the second lever (20), under the state that described second lever (20) inserts the second jack (32), described second sealing block (9) is vertical with housing (1).
4. low-tension switch cabinet according to claim 1, it is characterized in that: when described drawer body stretch into drawer installing port (28) closed afterwards time, described first sealing block (8), the second sealing block (9) are respectively in vertical state.
5. low-tension switch cabinet according to claim 1, it is characterized in that: when described drawer body stretch into drawer installing port (28) closed afterwards time, described second sealing block (9) is state vertically, and its vertical with the second sealing block (9) of described first sealing block (8) extends to housing (1) inside.
6. low-tension switch cabinet according to claim 1, it is characterized in that: when described drawer body stretch into drawer installing port (28) closed afterwards time, described first sealing block (8), the second sealing block (9) vertical with housing (1) respectively and respectively towards housing (1) inside extend, described first sealing block (8), the second sealing block (9) are positioned at same plane.
7. low-tension switch cabinet according to claim 1, it is characterized in that: the rear side of described housing (1) is provided with rear door mechanism, described rear door mechanism comprises rear door of switch cabinet (2) and observes door (3) with the switch cubicle of insulation transparent, described rear door of switch cabinet (2), switch cubicle are observed door (3) and are rotationally connected with housing (1) respectively, and described switch cubicle is observed door (3) and is positioned between rear door of switch cabinet (2) and housing (1).
8. low-tension switch cabinet according to claim 7, is characterized in that: door (3) observed by described switch cubicle is acrylic plate.
9. low-tension switch cabinet according to claim 1, it is characterized in that: described drawer body is slidably connected by drawer guideway assembly and housing (1), described drawer guideway assembly comprises chute (11) and slide block (12), the madial wall of described housing (1) is provided with the mount pad (10) extended along housing (1) inside, described chute (11) is installed on this mount pad (10), the both sides of described drawer body are respectively equipped with slide block (12), every block slide block (12) is installed on respectively in corresponding chute (11) and also can slides along chute (11).
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CN201510563981.5A CN105207100B (en) | 2015-09-02 | 2015-09-02 | Low-voltage switch cabinet |
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CN201510563981.5A CN105207100B (en) | 2015-09-02 | 2015-09-02 | Low-voltage switch cabinet |
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CN105207100B CN105207100B (en) | 2017-05-24 |
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CN202103360U (en) * | 2011-05-06 | 2012-01-04 | 浙宝电气(杭州)集团有限公司 | Multifunctional switch mixed loading cabinet |
CN202678806U (en) * | 2012-06-25 | 2013-01-16 | 艾默生网络能源(江门)有限公司 | Low-voltage drawing-out type switch cabinet and drawer unit thereof |
CN202906272U (en) * | 2012-09-17 | 2013-04-24 | 安徽省霍山县天意金属电气科技有限公司 | Table plate guiding member of drawing-out type switch cabinet |
CN103683075A (en) * | 2013-12-06 | 2014-03-26 | 昆山振宏电子机械有限公司 | Low-voltage extracting type switch cabinet |
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2015
- 2015-09-02 CN CN201510563981.5A patent/CN105207100B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011244527A (en) * | 2010-05-14 | 2011-12-01 | Mitsubishi Electric Corp | Distribution panel |
CN201758247U (en) * | 2010-05-25 | 2011-03-09 | 廖艺飞 | Novel distribution box front cover |
CN202103360U (en) * | 2011-05-06 | 2012-01-04 | 浙宝电气(杭州)集团有限公司 | Multifunctional switch mixed loading cabinet |
CN202678806U (en) * | 2012-06-25 | 2013-01-16 | 艾默生网络能源(江门)有限公司 | Low-voltage drawing-out type switch cabinet and drawer unit thereof |
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