CN202474658U - Chuck support, drawing frame and drawer type breaker - Google Patents
Chuck support, drawing frame and drawer type breaker Download PDFInfo
- Publication number
- CN202474658U CN202474658U CN2012200846863U CN201220084686U CN202474658U CN 202474658 U CN202474658 U CN 202474658U CN 2012200846863 U CN2012200846863 U CN 2012200846863U CN 201220084686 U CN201220084686 U CN 201220084686U CN 202474658 U CN202474658 U CN 202474658U
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- CN
- China
- Prior art keywords
- chuck support
- chuck
- connector
- frame
- taking out
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- Expired - Lifetime
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Abstract
The utility model provides a chuck support of a drawing frame, and the chuck support is used for a drawer type breaker. The chuck support comprises an electric conduction main body of a current conduction part and at least one connecting piece which is fixedly connected with the electric conduction main body, wherein the electric conduction main body is arranged between a chuck and the client terminal; and the chuck support is fixed on a drawing frame base through at least one connecting piece, therefore, the electric conduction main body part can still be made of copper, the connecting piece can be made of relatively cheap materials such as steel, and the reduction of cost is realized under the premise of guaranteeing electric property. The utility model also provides the drawing frame comprising the chuck support and the drawer type breaker comprising the drawing frame.
Description
Technical field
The utility model relates to circuit breaker, more specifically, relate to the chuck support of taking out frame that is used for withdrawable circuit breaker, be used for withdrawable circuit breaker take out frame and withdrawable circuit breaker.
Background technology
Withdrawable circuit breaker is the widely used a kind of electric device of electric field; It is made up of two major parts usually: breaker body with take out frame; Wherein breaker body has been born the effect of normal current and fault current in connection and the disjunction loop, takes out frame and then has the function that connects outside line busbar and breaker body.Further, breaker body can shake into shake-out machine structure through one, and for example endplay device is shaken into or shakes out on framework, thereby is switched on or switched off the electrical connection between outside line busbar and the breaker body.When for example needing repairing or changing breaker body, can breaker body be shaken out, thereby make things convenient for the client under the situation that circuit is isolated, safely and fast breaker body to be operated.
Figure 1A illustrates the part of taking out frame according to the withdrawable circuit breaker of prior art, shown in Figure 1A, takes out frame and comprises and take out frame pedestal 10 and be positioned at the current loop structure of taking out on the frame pedestal 10 20.Figure 1B illustrates the detailed structure of the amplification of the current loop structure of taking out frame shown in Figure 1A; Shown in Figure 1B; Current loop structure 20 comprises and is used for the chuck 201 that is electrically connected with breaker body, the chuck support 203 and the client's terminal 205 that is connected with chuck support 203 that is used for clamp gripper 201; Wherein chuck support 203 is between chuck 201 and client's terminal 205, and is electrically connected chuck 201 and client's terminal 205.Fig. 1 C illustrates the detailed structure of amplification of the chuck support of the current loop structure of taking out frame shown in Figure 1B; Shown in Fig. 1 C; Chuck support of the prior art is an overall structure, has connecting portion 2033 in the side of chuck support, has through hole or screwed hole usually on this connecting portion 2033; Thereby can take out the taking out on the frame pedestal 10 of frame by means of chuck support 203 being fixed to, thereby realize whole current loop structure 20 and take out the fixing of frame pedestal 10 such as the securing member of bolt or screw.
Can find out that from above description the chuck support is on the one hand as the part of galvanic circle, on the other hand, play fixedly conducting loop structure to the effect of taking out the frame pedestal.Therefore, the chuck support is aspect its conducting function of realization, and in order to reduce resistance as much as possible, in the prior art, it is processed by fine copper usually, and forms silver coating on the surface; Simultaneously, the chuck support is taken out on the frame pedestal owing to need be fixed on aspect its fixed function of realization; So its volume is made greatlyyer usually; And because the structure of circuit breaker is generally multistage, therefore for example 3 utmost points or 4 utmost points need a plurality of chuck supports of corresponding number.In view of the foregoing, chuck support of the prior art need spend more copper and ag material usually.On the other hand, constantly soaring along with noble metal prices such as the continuous aggravation of market competition and copper silver, manufacturers are being faced with bigger challenge aspect the product cost reducing.
Therefore, there is a kind of demand, promptly guarantees under the prerequisite of electric property of product,, reduce the cost of chuck support as much as possible and then reduce the cost of whole circuit breaker through improving design.
The utility model content
According to above-mentioned shortcoming and defect, the purpose of the utility model is to solve the problems referred to above that exist in the prior art at least.
In a preferred embodiment of the utility model; A kind of chuck support of taking out frame that is used for withdrawable circuit breaker is provided; Wherein, This withdrawable circuit breaker comprises breaker body and takes out frame, and this is taken out frame and comprises and take out the frame pedestal and be positioned at this and take out the current loop structure on the frame pedestal, and this current loop structure comprises and is used for the chuck that is electrically connected with breaker body, the chuck support and the client's terminal that is connected with this chuck support that is used for this chuck of clamping; Wherein the chuck support is between chuck and client's terminal; And be electrically connected chuck and client's terminal, thereby and this chuck support be fixed to and take out taking out of frame realize taking out frame on the frame pedestal current loop structure and take out fixing of frame pedestal, wherein; The chuck support comprises that the chuck support is fixed to through this at least one connector and takes out the frame pedestal as the conductive bodies and at least one connector that is fixedly connected with conductive bodies of the current lead-through parts between chuck and the client's terminal.In the prior art, the chuck support is an overall structure, and therefore, whole chuck support is all become by the relatively costly copper of price, and electroplate, thereby makes that the relative school of material cost of chuck support is high.Different with chuck support of the prior art; Chuck support according to the above-mentioned preferred embodiment of the utility model partly is formed by connecting conductor main part and connector; Like this, the conductive bodies part can still be made of copper, to realize its favorable conductive function; The connector part then can be processed by other cheap relatively material, and needn't be silver-plated.
Should be noted that those skilled in the art can not easily expect the chuck support of the split-type design of the utility model based on the chuck support of the integral type design of prior art; Its reason is: for a long time, people know, and whole chuck support is being born the conducting bridge beam action between client's terminal and the chuck; Therefore, in order to keep excellent conducting performance, whole chuck support should by the good conductor of electricity for example copper become; Therefore, people think always, if with all or part of other material that replaces with of chuck support; Steel for example then is difficult to guarantee the good electrical properties of whole circuit breaker.Yet the inventor of the utility model is through discovering that people's above-mentioned cognition is actually a kind of technological prejudice, and above-mentioned cognition is not entirely true in other words.Particularly; The inventor is through finding the current simulations between chuck, chuck support and the client's terminal; Electric current on the chuck support mainly concentrate on the chuck support with the corresponding zone of client's terminal in; Promptly mainly concentrate on the middle body that client's terminal is set of chuck support, and the electric current that flows through on the peripheral part of chuck support is less relatively, therefore; Even if the peripheral part of chuck support is processed by other material that conductivity is lower than copper, also be very little to the influence of the electric conductivity of whole chuck support.Based on above-mentioned new discovery, the inventor with the chuck support Design for by conductive bodies part with partly process with the connector that conductive bodies partly links to each other, this connector is partly processed by other relatively inexpensive material.Further, the inventor shows through experiment, satisfies relevant performance requirement fully according to the chuck support of the foregoing description design of the utility model, thereby verified correctness and the feasibility of the utility model of inventor's above-mentioned discovery.
In the previous embodiment of the utility model, preferably, said at least one connector can be two connectors, and these two connectors are fixedly connected on respectively on two relative sides of conductive bodies.Certainly, the utility model is not limited to two connectors, but can be more or less.Simultaneously, should be noted that, and these connectors are the first each other links to each other and form ring, then can in the connector of ring formula, form eddy current, thereby reduce the electrical property of chuck support if connector all is set in all sides of conductive bodies.Therefore, preferably on two of conductive bodies relative sides, connector is set, it can bring the useful technique effect of being convenient to fixed chuck support symmetrically and not influencing the electrical property of chuck support simultaneously.
In the previous embodiment of the utility model, preferably, have groove on the side of the conductive bodies of chuck support, at least one connector is separately fixed in the groove separately.Further preferably, at least one connector is by clamping or crimping are fixed in the groove separately respectively.Certainly, the utility model is not limited to come through groove the mode of connector member, and alternate manner also is fine, as long as it can realize that connector and the good of conductive bodies are connected.Further, the utility model also is not limited to through the mode of clamping or crimping connector is fixed in the groove, as long as can realize that connector is engaged in the groove well.
In the previous embodiment of the utility model, preferably, at least one connector is by processing with the material material different of conductive bodies.Further preferably, at least one connector is processed by the sheet steel.Thus, can reduce the material cost of chuck support, and satisfy the functional requirement of chuck support aspect conduction and support fixation two.
In the preferred embodiment of the utility model, a kind of frame of taking out that is used for withdrawable circuit breaker also is provided, this is taken out frame and comprises the chuck support according to aforementioned arbitrary embodiment.
In the preferred embodiment of the utility model, a kind of withdrawable circuit breaker also is provided,
This withdrawable circuit breaker comprises the frame of taking out according to the foregoing description.
Will be appreciated that foregoing description only is for exemplary purpose, rather than will limit the scope of the utility model.
Description of drawings
Above-mentioned and the further feature of the exemplary embodiment of the utility model and advantage will become more obvious from following detailed description with the accompanying drawing; And this description and accompanying drawing only are used for scope illustrative purpose rather than that limit the utility model by any way, wherein:
Figure 1A is the perspective view that illustrates according to the part of taking out frame of the withdrawable circuit breaker of prior art;
Figure 1B is the enlarged perspective that the current loop structure of taking out frame shown in Figure 1A is shown;
Fig. 1 C is the enlarged perspective that the chuck support of the current loop structure of taking out frame shown in Figure 1B is shown; And
Fig. 2 is the chuck perspective views of supports according of taking out frame that is used for withdrawable circuit breaker that illustrates according to a preferred embodiment of the utility model.
Embodiment
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
About the aforementioned of the utility model and other technology contents, characteristics and effect, following cooperation with reference to the detailed description of accompanying drawing to embodiment in, can clearly appear.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions with reference to accompanying drawing.Therefore, the direction term of use is to be used for explaining not to be to be used for limiting the utility model, and in addition, in whole embodiment, identical drawing reference numeral is represented components identical.
The arrangement of chuck support in circuit breaker according to the preferred embodiment of the utility model can be with of the prior art same or similar; Particularly; In the utility model, a kind of chuck support of taking out frame that is used for withdrawable circuit breaker is disclosed, wherein; Withdrawable circuit breaker comprises breaker body and takes out frame; Take out frame and comprise and take out the frame pedestal and be positioned at the current loop structure of taking out on the frame pedestal, current loop structure comprises and is used for the chuck that is electrically connected with breaker body, the chuck support and the client's terminal that is connected with the chuck support that is used for clamp gripper that wherein the chuck support is between chuck and client's terminal; And be electrically connected chuck and client's terminal, thereby and the chuck support be fixed to and take out taking out of frame realize taking out frame on the frame pedestal current loop structure and take out fixing of frame pedestal.
Mainly be according to the chuck support of the preferred embodiment of the utility model and the difference of chuck support of the prior art; The as a whole parts of chuck support of prior art; And the chuck support of the utility model is made up of a plurality of parts; Particularly, with reference to Fig. 2, it is the chuck perspective views of supports according of taking out frame that is used for withdrawable circuit breaker that illustrates according to a preferred embodiment of the utility model; The chuck support comprises that the chuck support is fixed to through this at least one connector and takes out the frame pedestal as the conductive bodies 1 and at least one connector 2 that is fixedly connected with conductive bodies 1 of the current lead-through parts between chuck and the client's terminal.Preferably; Shown like accompanying drawing 2; At least one connector is two connectors, and these two connectors are fixedly connected on respectively on two relative sides of conductive bodies, takes out the frame pedestal thereby help through suitable securing member the chuck support symmetrically, firmly being fixed to; And because two connectors 2 are separated from each other; Therefore can in connector, not disadvantageously form eddy current (annotate: as previously mentioned, when a plurality of connectors each other the first linking to each other and when forming ring, can in ring, produce eddy current).
Preferably, shown in accompanying drawing 2, can on the side of the conductive bodies of chuck support, form groove; The width of this groove is less times greater than the thickness of connector, thereby can easily connector be inserted in the groove, then; Exert pressure to around the groove through a crimping tool; Thereby make the width of groove diminish, connector is lived in groove both sides interlock tightly, thereby realizes the firm connection of connector in groove.Certainly; Also can recess width be set to be slightly less than connector thickness; And be provided with a little thinlyyer the matched edges of connector and the formation guidance part, be connected together in the groove thereby can by force connector be inserted, thereby form tight fit through external force.Should be noted that the utility model is not limited to above-mentioned connected mode, as long as can realize being connected of connector and conductive bodies.
Like this, can find out that aspect the realization fixed function, the chuck support of the utility model has been realized the effect suitable with the chuck support of prior art equally, promptly keep chuck securely and fix self to taking out the frame pedestal.
Thus; The chuck support of the utility model is owing to formed by a plurality of independent component-assembled, and aspect manufacturing process, each parts can be made from a variety of materials; Preferably; Conductive bodies is still processed by the copper product of routine, and connector then can be processed by for example sheet steel, and needn't form silver coating.As stated, because connector is mainly born the function that connects the fixed mechanical function and do not bear current path basically, therefore, connector even can process by non electrically conductive material.
In the utility model, a kind of frame of taking out that is used for withdrawable circuit breaker also is provided, it comprises aforesaid chuck support.
In the utility model, a kind of withdrawable circuit breaker also is provided, it comprises the aforesaid frame of taking out.
Take out frame and withdrawable circuit breaker owing to all adopted aforesaid chuck support according to the utility model aforementioned, thereby cost reduces correspondingly also according to the utility model.
Although on basis with reference to each embodiment; The utility model is described in specification and is illustrated in the accompanying drawings; But it will be appreciated by those skilled in the art that; The foregoing description only is preferred embodiment, and some technical characterictic among the embodiment possibly not be essential for solving specific technical problem, thereby can not or omit these technical characterictics and the solution of non-influence technique problem or the formation of technical scheme; And the characteristic of an embodiment, key element and/or function can suitably make up, combine or cooperate with characteristic, key element and/or the function of other one or more embodiment each other, only if this combination, combination or cooperation obviously can not be implemented.
Claims (10)
1. chuck support of taking out frame that is used for withdrawable circuit breaker, wherein,
This withdrawable circuit breaker comprises breaker body and takes out frame,
This is taken out frame and comprises and take out the frame pedestal and be positioned at this and take out the current loop structure on the frame pedestal,
This current loop structure comprises and is used for the chuck that is electrically connected with said breaker body, the chuck support and the client's terminal that is connected with this chuck support that is used for this chuck of clamping; Wherein said chuck support is between said chuck and said client's terminal; And be electrically connected said chuck and said client's terminal; And thereby this chuck support is fixed to said said taking out of taking out frame and realizes said said current loop structure and said the fixing of frame pedestal of taking out of taking out frame on the frame pedestal
It is characterized in that,
Said chuck support comprises that said chuck support is fixed to the said frame pedestal of taking out through this at least one connector as the conductive bodies and at least one connector that is fixedly connected with said conductive bodies of the current lead-through parts between said chuck and the said client's terminal.
2. chuck support as claimed in claim 1 is characterized in that, said at least one connector is two connectors, and said two connectors are fixedly connected on respectively on two relative sides of said conductive bodies.
3. according to claim 1 or claim 2 chuck support is characterized in that having groove on the side of the said conductive bodies of said chuck support, and said at least one connector is separately fixed in the groove separately.
4. chuck support as claimed in claim 3 is characterized in that, said at least one connector is by clamping or crimping are fixed in the groove separately respectively.
5. like claim 1, one of 2 and 4 described chuck supports, it is characterized in that said at least one connector is by processing with the material material different of said conductive bodies.
6. chuck support as claimed in claim 3 is characterized in that, said at least one connector is by processing with the material material different of said conductive bodies.
7. chuck support as claimed in claim 5 is characterized in that, said at least one connector is processed by the sheet steel.
8. chuck support as claimed in claim 6 is characterized in that, said at least one connector is processed by the sheet steel.
9. the frame of taking out that is used for withdrawable circuit breaker is characterized in that, this is taken out frame and comprises the described chuck support like one of claim 1-8.
10. a withdrawable circuit breaker is characterized in that, this withdrawable circuit breaker comprises the frame of taking out as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200846863U CN202474658U (en) | 2012-03-08 | 2012-03-08 | Chuck support, drawing frame and drawer type breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200846863U CN202474658U (en) | 2012-03-08 | 2012-03-08 | Chuck support, drawing frame and drawer type breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202474658U true CN202474658U (en) | 2012-10-03 |
Family
ID=46922786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200846863U Expired - Lifetime CN202474658U (en) | 2012-03-08 | 2012-03-08 | Chuck support, drawing frame and drawer type breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202474658U (en) |
-
2012
- 2012-03-08 CN CN2012200846863U patent/CN202474658U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |