CN104242196B - Bus duct plug box - Google Patents
Bus duct plug box Download PDFInfo
- Publication number
- CN104242196B CN104242196B CN201410470314.8A CN201410470314A CN104242196B CN 104242196 B CN104242196 B CN 104242196B CN 201410470314 A CN201410470314 A CN 201410470314A CN 104242196 B CN104242196 B CN 104242196B
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- China
- Prior art keywords
- sneek
- switch
- main shaft
- switching gate
- casing
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Abstract
The invention relates to a bus duct plug box and belongs to the technical field of electrical connection facilities. The plug box comprises a breaker arranged in a box body, the breaker is provided with a switching gate handle extending out of the upper surface of the breaker, a main rotary shaft is supported in the box body, one end of the main rotary shaft extends out of one side of the box body, the outer extending end of the main rotary shaft is fixedly connected with a rotary handle, the inner extending end of the main rotary shaft is fixedly connected with guide jaws, and the lower ends of the guide jaws horizontally extend to form poking fingers located on the two sides of the switching gate handle respectively. Due to adoption of the sideward arrangement structure, the upper portion of the breaker does not need to have space for holding rocker supports and other actuation components and the structure is compact. Additionally, points where the poking fingers exert force on the switching gate handle are gradually moved downwards in the poking process, the length of a resistance arm of the switching gate handle is reduced while the lengths of power arms of the guide jaws are kept unchanged, and it is guaranteed that follow-up performance of the switching gate handle is better.
Description
Technical field
The present invention relates to a kind of busway inserting case, especially a kind of jack box of side operation,
Belong to electrical connection facility technology field.
Background technology
With the development of power transmission and distribution cause, user is to the performance of busway inserting case product and operation
Mode requires more and more higher.Can only be in jack box chamber door when the structure of traditional jack box makes it operate
Upper breaking operation is carried out to internal breaker by operating mechanism, when installation operation space is inadequate or
When user has special operational mode to require, above-mentioned traditional structure will be helpless.
For this reason, the Chinese patent of Application No. 200810234688.4,200910166752.4
Application invented a kind of manual operating mechanism of jack box, by operation handle, direction board, rotating shaft,
Fixed cover, stir bar assembly, rocker arm support, rocker base, axle sleeve, molded-case switch composition；
Fixed cover is fixed on jack box shell, after rotating shaft passes through operation handle, direction board end orifices
It is placed on inside fixed cover, and can be in fixed cover inner rotation；Rotating shaft inner end fixes a poke rod
Assembly, stirring bar assembly top has a cylindrical protrusion to inject in the mounting hole of rocker arm support spike,
There is connecting hole, axle sleeve passes through rocker arm support spike and rocker base on the two ends spike of rocker arm support
Rocker arm support is fixed by the connecting hole on spike, and guarantees rocker arm support and can rotate around axle sleeve,
The built-in slot plate of rocker arm support blocks the sneek of molded-case switch；Rocker base is screwed in moulding
Shell switchs top.Additionally, Application No. 201320445644.2,201310313419.8
Chinese patent application disclose a kind of manual operating mechanism of jack box of improvement, prop up including rocking arm
Frame, wherein, is provided with top board above rocker arm support, be provided with two plates, plate bag inside top board
Include the shell of hollow, described inside the shell is provided with the roller bearing of cylinder, described roller bearing blocks switch
Sneek, top board is bolted with rocker arm support, and its maintenance maintenance is more convenient.
Above-mentioned prior art carries out the division manipulation of internal switch with achieving in jack box side,
But do not only exist easily to produce between frid and switch to contact to loosen or switch and slip, safeguard inconvenience
Shortcoming, and there is problems with
1) switch (also known as chopper) top needs enough spaces, otherwise cannot accommodate rocking arm
The actuating member of support etc, therefore volume larger it is impossible in height narrow space
Install and use.
2) feel weight when manipulating, and easily because interlocking the trackability that contact site abrasion leads to switch
Difference.
Content of the invention
The primary and foremost purpose of the present invention is：The shortcoming existing for above prior art, proposes
A kind of compact conformation and the good busway inserting case of trackability, thus meet in small space peace
The demand that dress uses, ensures handling simultaneously.
Further aim of the present invention is：By optimization design, propose a kind of contact wear little,
The busway inserting case of manipulation good hand touch.
In order to reach above primary and foremost purpose, the busway inserting case of the present invention includes being placed in casing
Interior chopper, described chopper there is the switch sneek stretching out upper surface it is characterised in that：
The main shaft that described casing inner support one end is stretched out by casing side, stretching out of described main shaft is outer
End is connected with rotary handle, and the inner is connected with guide grab；The lower end level of described guide grab is prolonged
Stretch out the reversal means being located at switch sneek both sides respectively.Therefore, when turning stubborn rotary handle, will lead to
Cross main shaft and reversal means drives switch sneek action, thus realizing required division manipulation.Due to
Employ side-arrangement structure, therefore chopper top need not accommodate rocker arm support etc actuating member
Space, compact conformation, it is particluarly suitable for the narrow and small occasion of height space and install and use.And,
The stress point that reversal means acts on switch sneek can act on during switch and gradually moving down, thus
While keeping guide grab power arm lengths constant, the length of reduction switch sneek resistance arm, protects
The trackability of card switch sneek is more preferable.
In order to reach further purpose, the axis of described main shaft is turned with described switch sneek
The moving axis heart is in same vertical guide, and the side of described reversal means proximity switches sneek is extended and had
The finger tip of arc head.So, when being manipulated, reversal means is made by the arc head of finger tip all the time
For switching the side of sneek, no matter separating brake or close a floodgate, directly act on switch with action edge
Sneek is compared, and is substantially reduced abrasion, and feel is more preferable.
In view of switch sneek in division extreme position, stir the most laborious, be also easiest to grind
Damage, it is that described finger tip has from arc head towards reversal means direction flaring that the present invention further improves
Extension inclined-plane, when switch sneek be in extreme position when, described extension inclined-plane with switch sneek
Side laminating.So not only can start from extreme position in switch sneek by binding face
When fully exert a force, and the abrasion under this location status can be reduced.
Further, the chopper in described casing grasps support by handss and support one end by case
The main shaft that body side is stretched out, described handss behaviour's support is fixed on by upright supporting surface and both sides
Support feet on chopper is constituted.
Further, the inner of described main shaft is passed through transmission segment and is passed through screw admittedly with guide grab
Even.
Further, described guide grab is in inverted V-shaped.
Brief description
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the perspective view of the embodiment of the present invention one.
Fig. 2 is the perspective view of actuation mechanism in Fig. 1 embodiment.
Fig. 3 is the top view of Fig. 1 embodiment gate-dividing state.
Fig. 4 is the top 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 structural diagram of the embodiment of the present invention two.
Fig. 8 is that Fig. 7 embodiment is in combined floodgate to separating brake centre position partial structural diagram.
Specific embodiment
Embodiment one
The busway inserting case of the present embodiment as shown in Figure 1 and Figure 2, including being placed in casing 9
Interior chopper 6, this chopper 6 has the switch sneek 7 stretching out upper surface.In casing 9
Chopper 6 on grasp support 5 by handss and support the main shaft 2 that stretched out by casing 9 side of one end.
Handss behaviour's support 5 is made up of the support feet that upright supporting surface and both sides are fixed on chopper 6.
The outer end of stretching out of main shaft 2 is connected with rotary handle 1, and the inner by transmission segment 3 and is led
Pass through four tapping screws to pawl 4 to be connected.Guide grab 4 is in inverted V-shaped, the lower end water of two bifurcateds
Flat extending is located at the reversal means 8 switching sneek 7 both sides respectively.
During manipulation, screw handle 1 in casing one, can be achieved with the outer separating brake to chopper 6 of case
With closing operation (referring to Fig. 3 and Fig. 4).
Its manipulation process as shown in figure 5, screw handle 1 guide grab 4 will be driven to rotate so as to
The side toggle switch sneek 7 of one of the reversal means 8 of lower end is by original closing position towards separating brake side
To rotation；After it surmounts plumb position (O1-O2), switch sneek 7 will inside it bullet
In the presence of spring, automatically it is rapidly reached the open position shown in Fig. 6.
The present embodiment can be use up due to employing side drive mechanism, therefore chopper upper space
Amount reduction, is adapted for mount on the narrow and small occasion of height space and uses.Additionally, reversal means acts on out
The stress point of pass sneek can act on during switch and gradually moving down, thus keeping guide grab
Power arm lengths make the resistance arm lengths of switch sneek be shorten to by initial L1 while constant
L2 so that in the case of handle is at the uniform velocity twisted, switch sneek close to plumb position when because of resistance arm
Be gradually shortened and present accelerate rotation trend, be conducive to improve switch sneek trackability and
The starting the arc sparking of suppression division moment.
Embodiment two
The busway inserting case basic structure of the present embodiment is identical with embodiment one.Difference is such as
Shown in Fig. 7, Fig. 8, at the center of rotation O2 of the axes O 1 of main shaft 2 and switch sneek 7
In same vertical guide, the side of reversal means 8 proximity switches sneek 7 is extended and is had arc head
Finger tip 10.And finger tip 10 has the extension inclined-plane p from arc head towards reversal means 8 direction flaring.
When switch sneek 7 is in extreme position, such as the closing position shown in Fig. 7, extend inclined-plane
P is fitted with the side of switch sneek 7.The resistance arm that this extreme position switchs sneek 7 is the longest,
And need the resistance overcoming its contained spring to produce, therefore toggle switch sneek 7 is the most laborious,
Also it is easiest to lead to wear and tear.Fit and can screw handle in the side extending inclined-plane with switch sneek
Active force fully be applied to switch sneek on, simultaneously as far as possible reduce start moment abrasion.
And switch sneek 7 be reversed from combined floodgate extreme position turn to separating brake direction after, as shown in figure 8,
Arc head acts on the side of switch sneek 7, the action edge direct effect with embodiment one reversal means
Compare in switch sneek, be substantially reduced abrasion, feel is more preferable.Situation about closing a floodgate is turned to by separating brake
Can analogize.
Test shows, enables jack box operating mechanism in jack box using the structure of the present embodiment
Side carries out breaking operation to case internal short-circuit device, and stable operation is reliable, contributes to guaranteeing safe fortune
OK.
Claims (4)
1. a kind of busway inserting case, including the chopper being placed in casing, described chopper there is the switch sneek stretching out upper surface it is characterised in that：The main shaft that described casing inner support one end is stretched out by casing side, the outer end of stretching out of described main shaft is connected with rotary handle, and inner connected with guide grab；The lower end of described guide grab extend horizontally away the reversal means being located at switch sneek both sides respectively；The axis of described main shaft is in same vertical guide with the center of rotation of described switch sneek, and the finger tip with arc head is extended in the side of described reversal means proximity switches sneek；Described finger tip has the extension inclined-plane from arc head towards reversal means direction flaring, and when switch sneek is in extreme position, fitted with the side of switch sneek in described extension inclined-plane.
2. the busway inserting case according to claim 1 it is characterised in that：Grasp, by handss, the main shaft that support supports one end to be stretched out by casing side, described handss are grasped support and are made up of the fixing support feet on-board the circuit breaker of upright supporting surface and both sides on chopper in described casing.
3. the busway inserting case according to claim 2 it is characterised in that：The inner of described main shaft is passed through transmission segment and is connected by screw with guide grab.
4. the busway inserting case according to claim 3 it is characterised in that：Described guide grab is in the shape of falling V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470314.8A CN104242196B (en) | 2014-09-15 | 2014-09-15 | Bus duct plug box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470314.8A CN104242196B (en) | 2014-09-15 | 2014-09-15 | Bus duct plug box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104242196A CN104242196A (en) | 2014-12-24 |
| CN104242196B true CN104242196B (en) | 2017-02-15 |
Family
ID=52229791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410470314.8A Active CN104242196B (en) | 2014-09-15 | 2014-09-15 | Bus duct plug box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104242196B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551846B (en) * | 2016-02-25 | 2018-07-13 | 国家电网公司 | The switching device of outdoor distribution low-voltage protection switch-box |
| CN106848965B (en) * | 2017-03-31 | 2018-08-03 | 鼎圣集团有限公司 | A kind of high safety performance busway inserting case |
| CN106848966B (en) * | 2017-03-31 | 2018-08-03 | 鼎圣集团有限公司 | A kind of bus duct |
| CN107623296B (en) * | 2017-08-30 | 2019-08-16 | 扬中市扬子铝加工有限公司 | A kind of busway inserting case |
| CN114928018B (en) * | 2022-03-11 | 2023-11-17 | 江苏天创科技有限公司 | Weak current intelligent machine room incoming line protection device and protection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000286014A (en) * | 1999-03-29 | 2000-10-13 | Yazaki Corp | Locking structure for connector |
| CN102290756A (en) * | 2010-06-21 | 2011-12-21 | 珠海光乐电力母线槽有限公司 | Bus duct jack switch box |
| CN102386031A (en) * | 2011-12-05 | 2012-03-21 | 合隆防爆电气有限公司 | Operating mechanism for circuit breaker and circuit breaker with same |
| CN102800505A (en) * | 2012-08-13 | 2012-11-28 | 上海精诚工控电子科技有限公司 | Electric operation mechanism of switch |
| CN203774102U (en) * | 2013-12-26 | 2014-08-13 | 四川华泰电气有限公司 | Operating mechanism for circuit breaker of anti-explosion distribution box |
| CN204118635U (en) * | 2014-09-15 | 2015-01-21 | 镇江西门子母线有限公司 | A kind of busway inserting case |
-
2014
- 2014-09-15 CN CN201410470314.8A patent/CN104242196B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000286014A (en) * | 1999-03-29 | 2000-10-13 | Yazaki Corp | Locking structure for connector |
| CN102290756A (en) * | 2010-06-21 | 2011-12-21 | 珠海光乐电力母线槽有限公司 | Bus duct jack switch box |
| CN102386031A (en) * | 2011-12-05 | 2012-03-21 | 合隆防爆电气有限公司 | Operating mechanism for circuit breaker and circuit breaker with same |
| CN102800505A (en) * | 2012-08-13 | 2012-11-28 | 上海精诚工控电子科技有限公司 | Electric operation mechanism of switch |
| CN203774102U (en) * | 2013-12-26 | 2014-08-13 | 四川华泰电气有限公司 | Operating mechanism for circuit breaker of anti-explosion distribution box |
| CN204118635U (en) * | 2014-09-15 | 2015-01-21 | 镇江西门子母线有限公司 | A kind of busway inserting case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104242196A (en) | 2014-12-24 |
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