CN204118635U - A kind of busway inserting case - Google Patents
A kind of busway inserting case Download PDFInfo
- Publication number
- CN204118635U CN204118635U CN201420530117.6U CN201420530117U CN204118635U CN 204118635 U CN204118635 U CN 204118635U CN 201420530117 U CN201420530117 U CN 201420530117U CN 204118635 U CN204118635 U CN 204118635U
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- sneek
- switch
- circuit breaker
- main shaft
- casing
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Abstract
The utility model relates to a kind of busway inserting case, belongs to electrical connection facility technology field.This jack box comprises the circuit breaker be placed in casing, and circuit breaker has the switch sneek stretching out upper surface, the main shaft that casing inner support one end is stretched out by casing side, main shaft stretch out outer end and rotary handle is connected, and inner to be connected with guide grab; The lower end of guide grab extend horizontally away the reversal means laying respectively at switch sneek both sides.The utility model is owing to have employed side-arrangement structure, and therefore circuit breaker top is without the need to holding the space of rocker arm support and so on actuating member, compact conformation.Further, the stress point that reversal means acts on switch sneek can act on and moving down gradually in switch process, thus while keeping guide grab power arm length constant the length of reduction switch sneek resistance arm, ensure that the trackability of switch sneek is better.
Description
Technical field
The utility model relates to a kind of busway inserting case, the jack box of especially a kind of side operation, belongs to electrical connection facility technology field.
Background technology
Along with the development of power transmission and distribution cause, user requires more and more higher to the performance of busway inserting case product and mode of operation.On jack box chamber door, can only carry out breaking operation by operating mechanism to internal breaker when the structure of tradition jack box makes it operate, when fitting operation space is inadequate or user has special operational mode to require, above-mentioned traditional structure is by helpless.
For this reason, application number a kind of manual operating mechanism of jack box that has been the Chinese patent application utility model of 200810234688.4,200910166752.4, by operating grip, direction board, rotating shaft, fixed cover, poke rod assembly, rocker arm support, rocker base, axle sleeve, moulds shell switch and forms; Fixed cover is fixed on jack box shell, and rotating shaft is placed on fixed cover inside through after operating grip, direction board end orifices, and can in fixed cover inner rotation; Rotating shaft inner end fixes a poke rod assembly, poke rod assembly top has a cylindrical protrusion to inject in the mounting hole of rocker arm support spike; the two ends spike of rocker arm support has connecting hole; rocker arm support is fixed by the connecting hole on rocker arm support spike and rocker base spike by axle sleeve; and guarantee rocker arm support and can rotate around axle sleeve, rocker arm support blocks the sneek moulding shell switch built with frid; Rocker base is screwed in moulding shell switch top.In addition, application number be 201320445644.2,201310313419.8 Chinese patent application disclose a kind of manual operating mechanism of jack box of improvement, comprise rocker arm support, wherein, above rocker arm support, be provided with top board, two plates are provided with inside top board, plate comprises the shell of hollow, is provided with columniform roller bearing in described shell, and described roller bearing blocks the sneek of switch, top board and rocker arm support are bolted, and its maintenance maintenance is more convenient.
Above-mentioned prior art to carry out deciliter manipulation of internal switch in jack box side with achieving, but not only exist easily to produce between frid with switch contact and loosen or switch slippage, safeguard inconvenient shortcoming, and there is following problem
1) switch (also known as circuit breaker) top needs enough spaces, otherwise cannot hold the actuating member of rocker arm support and so on, and therefore volume is comparatively large, cannot install and use at height narrow space.
2) feel weight during manipulation, and easily because the wearing and tearing of interlock contact site cause the trackability of switch poor.
Utility model content
Primary and foremost purpose of the present utility model is: the shortcoming existed for above prior art, proposes a kind of compact conformation and the good busway inserting case of trackability, thus meets the demand installed and used at small space, ensure handling simultaneously.
The further object of the utility model is: by optimal design, proposes the busway inserting case that a kind of contact wear is little, manipulate good hand touch.
In order to reach above primary and foremost purpose, busway inserting case of the present utility model comprises the circuit breaker be placed in casing, described circuit breaker has the switch sneek stretching out upper surface, it is characterized in that: the main shaft that described casing inner support one end is stretched out by casing side, described main shaft stretch out outer end and rotary handle is connected, and inner to be connected with guide grab; The lower end of described guide grab extend horizontally away the reversal means laying respectively at switch sneek both sides.Therefore, when turning stubborn rotary handle, the action of switch sneek will be driven by main shaft and reversal means, thus deciliter manipulation needed for realizing.Owing to have employed side-arrangement structure, therefore circuit breaker top is without the need to holding the space of rocker arm support and so on actuating member, compact conformation, and the occasion being particluarly suitable for height space narrow and small is installed and used.Further, the stress point that reversal means acts on switch sneek can act on and moving down gradually in switch process, thus while keeping guide grab power arm length constant the length of reduction switch sneek resistance arm, ensure that the trackability of switch sneek is better.
In order to reach further object, the axis of described main shaft and the center of rotation of described switch sneek are in same vertical guide, and the finger tip with circular arc head is extended in the side of described reversal means proximity switches sneek.Like this, when manipulating, the circular arc head all the time by finger tip is acted on the side of switch sneek by reversal means, no matter separating brake or close a floodgate, and compared with directly acting on switch sneek with action edge, significantly reduce wearing and tearing, feel is better.
Consider that switch sneek is when deciliter extreme position, stir and require great effort the most, also the most easily wear and tear, the utility model further improves, described finger tip has the extension inclined-plane from circular arc head towards reversal means direction flaring, when switch sneek is in extreme position, fit in the side of described extension inclined-plane and switch sneek.So not only by binding face, fully can exert a force when switch sneek starts from extreme position, and the wearing and tearing under this location status can be reduced.
Further again, by the main shaft that hand behaviour stent support one end is stretched out by casing side on the circuit breaker in described casing, the feet that described hand behaviour support is fixed on-board the circuit breaker by upright supporting surface and both sides is formed.
Further, the inner of described main shaft is connected by screw by transmission segment and guide grab.
Further again, described guide grab is inverted V-shaped.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the perspective view of the utility model embodiment one.
Fig. 2 is the perspective view of actuation mechanism in Fig. 1 embodiment.
Fig. 3 is the vertical view of Fig. 1 embodiment gate-dividing state.
Fig. 4 is the vertical view of Fig. 1 embodiment "on" position.
Fig. 5 is Fig. 2 separating brake process A direction view.
Fig. 6 is Fig. 2 gate-dividing state A direction view.
Fig. 7 is the "on" position partial structurtes schematic diagram of the utility model embodiment two.
Fig. 8 is that Fig. 7 embodiment is in combined floodgate to separating brake centre position partial structurtes schematic diagram.
Embodiment
Embodiment one
The busway inserting case of the present embodiment as shown in Figure 1 and Figure 2, comprises the circuit breaker 6 be placed in casing 9, and this circuit breaker 6 has the switch sneek 7 stretching out upper surface.Circuit breaker 6 in casing 9 supports by hand behaviour support 5 main shaft 2 stretched out by casing 9 side one end.The feet that hand behaviour support 5 is fixed on circuit breaker 6 by upright supporting surface and both sides is formed.
Main shaft 2 stretch out outer end and rotary handle 1 is connected, inner to be connected by four tapping screws by transmission segment 3 and guide grab 4.Guide grab 4 is in inverted V-shaped, and the lower end of two bifurcateds extend horizontally away the reversal means 8 laying respectively at switch sneek 7 both sides.
During manipulation, screw handle 1 at casing one, just can realize the outer separating brake to circuit breaker 6 of case and closing operation (see Fig. 3 and Fig. 4).
As shown in Figure 5, screw handle 1 and rotated by drive guide grab 4, the side toggle switch sneek 7 of one of reversal means 8 making its lower end is rotated towards separating brake direction by original closing position its manipulation process; After it surmounts plumb position (O1-O2), switch sneek 7, by under the effect of spring therein, reaches rapidly the open position shown in Fig. 6 automatically.
The present embodiment is owing to have employed side drive mechanism, and therefore circuit breaker upper space can reduce as far as possible, is applicable to being arranged on the narrow and small occasion of height space and uses.In addition, the stress point that reversal means acts on switch sneek can act on and moving down gradually in switch process, thus make the resistance arm length of switch sneek shorten to L2 by initial L1 while maintenance guide grab power arm length is constant, make under situation at the uniform velocity twisted by handle, switch sneek, close to presenting the trend accelerating to rotate during plumb position because resistance arm shortens gradually, is conducive to improving the trackability of switch sneek and suppressing the starting the arc sparking of deciliter moment.
Embodiment two
The busway inserting case basic structure of the present embodiment is identical with embodiment one.As shown in Figure 7, Figure 8, the axes O 1 of main shaft 2 is in same vertical guide with the center of rotation O2 of switch sneek 7 difference, and the finger tip 10 with circular arc head is extended in the side of reversal means 8 proximity switches sneek 7.And finger tip 10 has the extension inclined-plane p from circular arc head towards reversal means 8 direction flaring.When switch sneek 7 is in extreme position, such as, closing position shown in Fig. 7, fits in the side extending inclined-plane p and switch sneek 7.The resistance arm of this extreme position switch sneek 7 is the longest, and needs the resistance overcoming the generation of its contained spring, and therefore toggle switch sneek 7 is required great effort the most, also the most easily causes wearing and tearing.The side extending inclined-plane and the switch sneek active force that handle can be screwed of fit is fully applied on switch sneek, reduces startup wearing and tearing instantaneously as far as possible simultaneously.
And switch sneek 7 is reversed from after combined floodgate extreme position turns to separating brake direction, as shown in Figure 8, circular arc head acts on the side of switch sneek 7, compared with directly acting on switch sneek, significantly reduces wearing and tearing with the action edge of embodiment one reversal means, and feel is better.The situation of combined floodgate is turned to analogize by separating brake.
Test shows, adopt the structure of the present embodiment to make jack box operating mechanism can carry out breaking operation in jack box side to case internal short-circuit device, stable operation is reliable, contributes to guaranteeing safe operation.
Claims (6)
1. a busway inserting case, comprise the circuit breaker be placed in casing, described circuit breaker has the switch sneek stretching out upper surface, it is characterized in that: the main shaft that described casing inner support one end is stretched out by casing side, described main shaft stretch out outer end and rotary handle is connected, and inner to be connected with guide grab; The lower end of described guide grab extend horizontally away the reversal means laying respectively at switch sneek both sides.
2. busway inserting case according to claim 1, is characterized in that: the axis of described main shaft and the center of rotation of described switch sneek are in same vertical guide, and the finger tip with circular arc head is extended in the side of described reversal means proximity switches sneek.
3. busway inserting case according to claim 2, is characterized in that: described finger tip has the extension inclined-plane from circular arc head towards reversal means direction flaring, and when switch sneek is in extreme position, fit in the side of described extension inclined-plane and switch sneek.
4. busway inserting case according to claim 3, it is characterized in that: by the main shaft that hand behaviour stent support one end is stretched out by casing side on the circuit breaker in described casing, the feet that described hand behaviour support is fixed on-board the circuit breaker by upright supporting surface and both sides is formed.
5. busway inserting case according to claim 4, is characterized in that: the inner of described main shaft is connected by screw by transmission segment and guide grab.
6. busway inserting case according to claim 5, is characterized in that: described guide grab is inverted V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530117.6U CN204118635U (en) | 2014-09-15 | 2014-09-15 | A kind of busway inserting case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530117.6U CN204118635U (en) | 2014-09-15 | 2014-09-15 | A kind of busway inserting case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118635U true CN204118635U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530117.6U Active CN204118635U (en) | 2014-09-15 | 2014-09-15 | A kind of busway inserting case |
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| Country | Link |
|---|---|
| CN (1) | CN204118635U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242196A (en) * | 2014-09-15 | 2014-12-24 | 镇江西门子母线有限公司 | Bus duct plug box |
| CN105023813A (en) * | 2015-07-02 | 2015-11-04 | 正泰电气股份有限公司 | Operating mechanism |
| CN105788899A (en) * | 2016-05-12 | 2016-07-20 | 镇江加勒智慧电力科技股份有限公司（中外合资） | Plugging box pull rod operation mechanism |
-
2014
- 2014-09-15 CN CN201420530117.6U patent/CN204118635U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242196A (en) * | 2014-09-15 | 2014-12-24 | 镇江西门子母线有限公司 | Bus duct plug box |
| CN104242196B (en) * | 2014-09-15 | 2017-02-15 | 镇江西门子母线有限公司 | Bus duct plug box |
| CN105023813A (en) * | 2015-07-02 | 2015-11-04 | 正泰电气股份有限公司 | Operating mechanism |
| CN105788899A (en) * | 2016-05-12 | 2016-07-20 | 镇江加勒智慧电力科技股份有限公司（中外合资） | Plugging box pull rod operation mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |