CN202524001U - Swing-in and swing-out mechanism and drawer type circuit breaker - Google Patents
Swing-in and swing-out mechanism and drawer type circuit breaker Download PDFInfo
- Publication number
- CN202524001U CN202524001U CN2012200846929U CN201220084692U CN202524001U CN 202524001 U CN202524001 U CN 202524001U CN 2012200846929 U CN2012200846929 U CN 2012200846929U CN 201220084692 U CN201220084692 U CN 201220084692U CN 202524001 U CN202524001 U CN 202524001U
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- shake
- gear shaft
- shakes
- machine structure
- shaft
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Abstract
The utility model provides a swing-in and swing-out mechanism used for a circuit breaker body of a swing-in and swing-out drawer type circuit breaker. The swing-in and swing-out mechanism comprises a base plate, a rocker shaft fixed on the base plate, a translation plate which is engaged with the rocker shaft, a first group of gears which are engaged with the translation plate, a gear shaft used to pass through and fix the first group of gears and a second group of gears fixed on the gear shaft. The gear shaft is made of a hollow tubing. And the gear shaft is fixed by using a shaft fixing part so as to restrict at least a translational freedom degree of the gear shaft along an axial direction of the rocker shaft. The gear shaft, which is traditionally made of a solid bar material, is made of the hollow tubing in the utility model so that material cost is greatly reduced. The utility model also provides the drawer type circuit breaker comprising the swing-in and swing-out mechanism.
Description
Technical field
The utility model relates to circuit breaker, more specifically, relates to into shake-out machine structure and the withdrawable circuit breaker of shaking that is used to shake the breaker body that into shakes out 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.
As illustrated in fig. 1 and 2; Wherein Fig. 1 is the into perspective view of shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker that illustrates according to prior art; Fig. 2 illustrates the gear shaft of shake-out machine structure and the cutaway view that associated components is cut open along the axial direction of gear shaft thereof of shaking into as shown in Figure 1; Of the prior artly shake into that the shake-out machine structure comprises: base plate 1, this base plate 1 is fixed on the framework of unshowned circuit breaker; Be fixed to base plate 1 and pivot and can not be with respect to the rocker shaft 2 of base plate 1 translation so that only can the original place; With rocker shaft 2 engagement and can be through the pivot of rocker shaft 2 the translatory plate of the axial direction translation of rocker shaft 2 (in Fig. 1, blocked and can't see) by cover plate 3; With first group of gear of hole on translatory plate engagement (in Fig. 1, blocked and can't see) by cover plate 3; Be used to wear the gear shaft 4 of fixing first group of gear; And being fixed on second group of gear 5 on the gear shaft 4, this second group of gear 5 into shakes out breaker body with the corresponding component engagement on the breaker body to shake, and thus, can shake through the rotation of rocker shaft 2 and into to shake out breaker body.
In the prior art, as shown in Figure 2, the position that engages with cover plate 3 on gear shaft 4 forms for example 2 millimeters groove 42 of certain depth, and the both sides of the edge of cover plate 3 fix in groove 42, thereby fix gear shaft 4.Owing to need on gear shaft 4, form the groove 42 of certain depth; Therefore from the consideration of intensity aspect, gear shaft is processed by a solid bar usually, thus; Gear shaft need expend more material; Simultaneously, the groove on gear shaft 4 need be processed through machine work, thereby has also caused the rising of manufacturing cost.
Therefore, there is a kind of demand, promptly hopes under the prerequisite of the requirement of strength that guarantees gear shaft, to reduce the material usage of gear shaft through improving design; Further, also hope to avoid as much as possible on gear shaft, carrying out machine work, to reduce manufacturing cost.
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 according to the utility model, a kind of into shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker is provided, this shakes into that the shake-out machine structure comprises: base plate; Be fixed to base plate and pivot and can not be with respect to the rocker shaft of base plate translation so that only can the original place; With rocker shaft engagement and can pass through rocker shaft pivot and at the translatory plate of the axial direction translation of rocker shaft; First group of gear with the engagement of hole on the translatory plate; Be used to wear the gear shaft of fixing first group of gear; And be fixed on second group of gear on the gear shaft; Corresponding component engagement on this second group of gear and the breaker body is into shaken out breaker body to shake; Wherein, Gear shaft is processed by a hollow tubular product, and this gear shaft is fixing to limit it at least at the translational degree of freedom along the axial direction of rocker shaft by the axle fixture.Thus, because gear shaft is processed by a hollow tubular product, it has reduced the material usage of gear shaft, and hollow tubular product can directly be purchased from market, thus the purchase cost of greatly reducing.
In the above-mentioned preferred embodiment according to the utility model, the part that cooperates with the axle fixture of gear shaft is smooth-going not have profile variation at the axial direction along this gear shaft.That is to say; In the utility model; On gear shaft, do not form groove and supply a fixture to fix, but the axle fixture does not form groove at gear shaft from the external stability gear shaft, if this has not only been avoided forming the reduction of groove to gear shaft intensity; If avoided simultaneously forming the required machining steps of groove, thereby reduced manufacturing cost.
In the above-mentioned arbitrary preferred embodiment according to the utility model, preferably, the axle fixture coats the Contact Tooth wheel shaft at least in part.Further preferably, the axle fixture is processed by sheet sheet material.Further preferably, facing on the face of gear shaft of axle fixture is formed with and the contacted outstanding bar of gear shaft, and should give prominence to the axial direction of the bearing of trend of bar perpendicular to gear shaft.Thus, because the axle fixture is through outstanding bar Contact Tooth wheel shaft, therefore; Even if the axle fixture tightly fixed gear shaft to limit it along the axial translational degree of freedom of rocking bar; But owing to only be that the sliding friction between axle fixture and the gear shaft is less relatively, therefore through outstanding bar Contact Tooth wheel shaft; Gear shaft still can easily rotate, and the rotating rocker axle into shakes out breaker body to shake thereby be convenient to easily.
In the above-mentioned arbitrary preferred embodiment according to the utility model, the axle fixture can be set to even number, is arranged in the translatory plate both sides with being mutually symmetrical.Thus, gear shaft can stressedly be fixed to a fixture equably.
In the above-mentioned arbitrary preferred embodiment according to the utility model, rocker shaft is fixed to base plate through a fixture, and this fixture is independently of one another with the axle fixture.Further preferably, fixture comprises a cover plate, and this cover plate extends at the axial direction of rocker shaft, and extends to the position that does not cover the axle fixture as yet.Further preferably, this cover plate can only extend to the position that does not cover translatory plate as yet at the axial direction of rocker shaft.And in the prior art, therefore cover plate extends to a part that covers the axle fixture owing to be used as the axle fixture of gear shaft always, and cover plate expends more relatively material thus; Different therewith, in the utility model,, but fix gear shaft by another independent axle fixture because cover plate does not play the effect of fixed gear shaft, therefore, cover plate can be made shortlyer relatively, thereby has saved the material of cover plate.
In another preferred embodiment according to the utility model, a kind of withdrawable circuit breaker is provided, this withdrawable circuit breaker comprises aforesaid arbitrary into shake-out machine structure that shakes.
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:
Fig. 1 is the into perspective view of shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker that illustrates according to prior art.
Fig. 2 illustrates the gear shaft of shake-out machine structure and the cutaway view that associated components is cut open along the axial direction of gear shaft thereof of shaking into as shown in Figure 1.
Fig. 3 is the into perspective view of shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker that illustrates according to the preferred embodiment of the utility model.
Fig. 4 illustrates the gear shaft of shake-out machine structure and the cutaway view that associated components is cut open along the axial direction of gear shaft thereof of shaking into as shown in Figure 3.
Fig. 5 illustrates the gear shaft that shakes shake-out machine structure into as shown in Figure 3 and associated components thereof along the cutaway view of cutting open perpendicular to the direction of the axial direction of gear shaft.
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.
3-5 describes the into shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker according to the preferred embodiment of the utility model with reference to the accompanying drawings.。It should be noted that; Shown in Fig. 3-5 is a kind of highly preferred embodiment of the utility model; Some characteristic wherein might not form as shown in the drawings; Even under some situation, can not have these characteristics, and do not influence the utility model embodiment enforcement and reach the technique effect of expection.
Fig. 3 is the into perspective view of shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker that illustrates according to the preferred embodiment of the utility model.Fig. 4 illustrates the gear shaft of shake-out machine structure and the cutaway view that associated components is cut open along the axial direction of gear shaft thereof of shaking into as shown in Figure 3.Fig. 5 illustrates the gear shaft that shakes shake-out machine structure into as shown in Figure 3 and associated components thereof along the cutaway view of cutting open perpendicular to the direction of the axial direction of gear shaft.
As shown in Figure 3, shake into according to the preferred embodiment of the utility model that the shake-out machine structure comprises: base plate 10, this base plate are fixed on the framework of circuit breaker; Be fixed to base plate 10 and pivot and can not be with respect to the rocker shaft 20 of base plate 10 translations so that only can the original place; With rocker shaft 20 engagement and can pass through rocker shaft 20 pivot and at the translatory plate 30 of the axial direction translation of rocker shaft 20; First group of gear 40 (in the accompanying drawings, first group of gear 40 is exemplarily illustrated as 2, but the utility model is not limited to this, can have more or less gear) with the engagement of hole on the translatory plate 30; Be used to wear the gear shaft 50 of fixing first group of gear 40; And be fixed on the gear shaft 50 second group of gear 60 (in the accompanying drawings; Second group of gear 60 is exemplarily illustrated as 2; But the utility model is not limited to this); This second group of gear 60 into shakes out breaker body with the corresponding component engagement on the breaker body to shake, and thus, can shake through the pivot of rocker shaft 20 and into shake out breaker body.Shown in Figure 4 and 5; In the utility model, gear shaft 50 is processed by a hollow tubular product, and this gear shaft 50 is fixing to limit it at least at the translational degree of freedom along the axial direction of rocker shaft 20 by axle fixture 70; Thus; Make that the translation of translatory plate 30 drives first group of gear 40 and rotates when shaking when into shaking out breaker body, but gear shaft 50 can not move at the translation direction of translatory plate 30 axial direction of rocker shaft 20 (promptly along).Like what in arbitrary accompanying drawing of 3-5, can find out; In the embodiment of the utility model; The part that cooperates with the axle fixture of gear shaft 50 is smooth-going not have profile variation at the axial direction along this gear shaft, that is to say, can not form any groove at gear shaft 50; Correspondingly, axle fixture 70 direct part ground coat Contact Tooth wheel shaft 50.Alternatively, an axle fixture 70 also can form and be similar to a bearing ground and coat gear shaft 50 fully.Preferably, axle fixture 70 can be processed by the sheet sheet bending.Should be noted that the axle fixture 70 according to the utility model is not limited to above-mentioned form, but, as long as can realize with its on do not have the hollow of groove to run through the relative fixed of the gear shaft 50 of formation, an axle fixture 70 can form other form.
Preferably; Axle fixture 70 in the face of can be formed with on the face of gear shaft 50 with the contacted outstanding bar of gear shaft (in the accompanying drawings since the face in the face of gear shaft 50 of axle fixture 70 be blocked; Therefore can't see these outstanding bars), and should give prominence to the axial direction of the bearing of trend of bar perpendicular to gear shaft.Certainly, facing on the face of gear shaft 50 of axle fixture 70 can also form the structure that other reduces the sliding friction between axle fixture 70 and the gear shaft 50.
As shown in Figure 3, axle fixture 70 can form even number (being exemplarily illustrated as 2 in the accompanying drawing), is arranged in the both sides of translatory plate 30 with being mutually symmetrical, to help making that gear shaft 50 is stressed even.In accompanying drawing 3, rocker shaft 20 exemplarily is fixed to base plate 10 through a cover plate 80, obviously; This cover plate 80 is the parts that are different from/are independent of a fixture 70; And this cover plate 80 extends very short distance at the axial direction of rocker shaft 20, does not cover translatory plate 30 as yet.With in the prior art by cover plate with the parts of rocker shaft and gear shaft that fix, and extend to always and cover translatory plate and compare with gear shaft, littler according to the cover plate area coverage of the utility model, therefore materials still less help the cost reduction of product.Should be noted that in the utility model cover plate 80 can be according to actual needs extends to such an extent that make a farfetched comparison shown in Figure 3 shortlyer or longer at the axial direction of rocker shaft 20, for example extends to and covers translatory plate 30 and do not cover gear shaft 50 as yet.
In the utility model, a kind of withdrawable circuit breaker also is provided, this withdrawable circuit breaker comprises the aforesaid into shake-out machine structure that shakes.
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. into shake-out machine structure that shakes that is used to shake the breaker body that into shakes out withdrawable circuit breaker, this shakes into that the shake-out machine structure comprises:
Base plate;
Be fixed to said base plate and pivot and can not be with respect to the rocker shaft of said base plate translation so that only can the original place;
With the engagement of said rocker shaft and can be through the pivot of said rocker shaft at the translatory plate of the axial direction translation of said rocker shaft;
First group of gear with the engagement of hole on the said translatory plate;
Be used to wear the gear shaft of fixing said first group of gear; And
Be fixed on second group of gear on the said gear shaft, the corresponding component engagement on this second group of gear and the said breaker body is into shaken out said breaker body to shake,
It is characterized in that,
Said gear shaft is processed by a hollow tubular product, and this gear shaft is fixing to limit it at least at the translational degree of freedom along the axial direction of said rocker shaft by the axle fixture.
2. the into shake-out machine structure that shakes as claimed in claim 1 is characterized in that, the part that cooperates with said axle fixture of said gear shaft is smooth-going not have profile variation at the axial direction along this gear shaft.
3. the into shake-out machine structure that shakes as claimed in claim 1 is characterized in that, said axle fixture coats the said gear shaft of contact at least in part.
4. the into shake-out machine structure that shakes as claimed in claim 3 is characterized in that, said axle fixture is processed by sheet sheet material.
5. the into shake-out machine structure that shakes as claimed in claim 4; It is characterized in that; Being formed with and the contacted outstanding bar of said gear shaft of said axle fixture in the face of on the face of said gear shaft, and should give prominence to the axial direction of the bearing of trend of bar perpendicular to said gear shaft.
6. the into shake-out machine structure that shakes as claimed in claim 1 is characterized in that, said axle fixture is an even number, is arranged in said translatory plate both sides with being mutually symmetrical.
7. like the described into shake-out machine structure that shakes of one of claim 1-6, it is characterized in that said rocker shaft is fixed to said base plate through a fixture, this fixture and said axle fixture are independently of one another.
8. the into shake-out machine structure that shakes as claimed in claim 7 is characterized in that said fixture comprises a cover plate, and this cover plate extends at the axial direction of said rocker shaft, and extends to the position that does not cover said axle fixture as yet.
9. the into shake-out machine structure that shakes as claimed in claim 7 is characterized in that said fixture comprises a cover plate, and this cover plate extends at the axial direction of said rocker shaft, and extends to the position that does not cover said translatory plate as yet.
10. a withdrawable circuit breaker is characterized in that, this withdrawable circuit breaker comprises the described into shake-out machine structure that shakes like one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200846929U CN202524001U (en) | 2012-03-08 | 2012-03-08 | Swing-in and swing-out mechanism and drawer type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200846929U CN202524001U (en) | 2012-03-08 | 2012-03-08 | Swing-in and swing-out mechanism and drawer type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524001U true CN202524001U (en) | 2012-11-07 |
Family
ID=47106931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200846929U Expired - Lifetime CN202524001U (en) | 2012-03-08 | 2012-03-08 | Swing-in and swing-out mechanism and drawer type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036653A (en) * | 2021-05-06 | 2021-06-25 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
-
2012
- 2012-03-08 CN CN2012200846929U patent/CN202524001U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036653A (en) * | 2021-05-06 | 2021-06-25 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
| CN113036653B (en) * | 2021-05-06 | 2023-07-07 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
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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: 20121107 |
|
| CX01 | Expiry of patent term |