CN1921251A - Pull type breaker - Google Patents

Pull type breaker Download PDF

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Publication number
CN1921251A
CN1921251A CN 200610001633 CN200610001633A CN1921251A CN 1921251 A CN1921251 A CN 1921251A CN 200610001633 CN200610001633 CN 200610001633 CN 200610001633 A CN200610001633 A CN 200610001633A CN 1921251 A CN1921251 A CN 1921251A
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CN
China
Prior art keywords
mentioned
energy storage
draw
handle
breaker
Prior art date
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.)
Granted
Application number
CN 200610001633
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Chinese (zh)
Other versions
CN100589298C (en
Inventor
福谷和则
德永义博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN1921251A publication Critical patent/CN1921251A/en
Application granted granted Critical
Publication of CN100589298C publication Critical patent/CN100589298C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Trip Switchboards (AREA)

Abstract

The invention provides a drawer type circuitbreaker which dispenses with an exclusive drawer handle for inserting or pulling the drawer type circuitbreaker into or out of a drawer frame, by the use of a manually operating handle apparatus assembled into the housing of the withdrawable circuitbreaker. The drawer type circuitbreaker has a drawer mechanism which inserts and pulls out the circuitbreaker body 1 into or out of the drawer frame 2, by inserting the drawer handle from the outside of the circuitbreaker body 1 for operation, and an energy-accumulating part for accumulating the setting spring of the drawer circuitbreaker body 1, and is provided with the manually operating handle apparatus 4 for manually accumulating energy of the setting screw from outside. The manually operating handle apparatus 4 is constituted of a shaft part 41, fixed to the drive shaft of the energy-accumulating part and a bar part 42 attached detachably to the shaft part. The bar part 42 is provided with an engaging part 42b, being engaged with the operation part of the drawer mechanism.

Description

Draw-out type breaker
Technical field
The present invention relates to a kind of draw-out type breaker, it is to make at the external operation handle of housing to connect after the spring energy-storage, by instructing, utilize the power of energy storage to make among the circuit breaker (particularly air circuit) of conducting parts closure, be installed on the distribution board etc., and as required, can pull out and insert and be contained in inner breaker body, the present invention specifically relates to the structure that is used to make the handle portion of connecting spring energy-storage.
Background technology
Air circuit is generally used for the trunk circuit breaker of building, factory etc.Therefore, as the opening and closing device of circuit, require to have the durable function of switching.The known technology that constitutes as follows, promptly, in the process of this circuit breaker switching operation, especially closed procedure, for example, the temporary transient energy storage of connection spring that manual operation by handle has circuit breaker, then discharge the power of its energy storage again, so that the closing of contact (for example, with reference to patent documentation 1).
In addition, this with the air circuit breaker of circuit breaker, pulls down the external cable that is connected in power supply or the load in order to save when the mainteinance repair from terminal as trunk, perhaps pulls down the trouble of circuit breaker grade itself from structure, uses draw-out type breaker more.For example, Fig. 5 is the oblique view of the existing draw-out type breaker of expression, has represented the state that breaker body 51 is pulled out from pull out frame.Be fixed in pulling out on the frame 52 on the structures such as distribution board, be provided with an end pull out guide rail that can stretch 53 of breaker body 51 has been installed, after state from figure is inserted into assigned position, if insert draw-out handle 55 in the patchholes 54 and it rotated according to clockwise direction, then the driving screw of Nei Bu exhaustion mechanism rotates, pull out guide rail 53 is shunk, breaker body 51 is inserted into pulls out in the frame 52, the conductor of breaker body 51 sides is pressed in the main circuit tie point of pulling out frame 52 sides, thereby finishes connection.In addition, breaker body 51 can also be removed (for example, with reference to patent documentation 2) from pulling out frame 52.
Patent documentation 1 spy open flat 3-201330 communique (the 6th~7 page, Fig. 1)
Patent documentation 2 spies open the 2003-308764 communique (the 3rd page, Fig. 1)
Summary of the invention
As mentioned above, in the circuit breaker shown in the patent documentation 1, has the manual operation handle apparatus that is used for the connection spring being carried out pretension from the outside.
On the other hand, draw-out type breaker pull out and insert operation, only, under common user mode, do not need this to operate employed draw-out handle being provided with to distribution board etc. or carrying out the mainteinance repair of circuit breaker etc. the time.But, in the existing draw-out type breaker described in above-mentioned patent documentation 2, must be near circuit breaker standing draw-out handle, therefore particularly aspect the use that makes things convenient for the user, existence to guarantee for this reason receiving space, must be used for the problems such as processing or miscellaneous part of appending that it is kept sometimes.In addition, if draw-out handle is taken care of in the place different with circuit breaker, then for example worry because loss etc. have problems when urgent mainteinance repair.
The present invention proposes in order to address the above problem, its purpose is, obtain a kind of draw-out type breaker, it is assembled in the manual operation handle apparatus on the housing of draw-out type breaker by effective utilization, do not pull out frame or from pulling out the draw-out handle of the operation that frame pulls out and do not need ad hoc to be provided with to carry out breaker body inserted.
The draw-out type breaker that the present invention relates to has: breaker body, and it has the energy storage part that the connection spring is carried out energy storage, and discharging instructing after connecting spring energy-storage, makes main circuit conducting parts closure thus; Pull out frame, it accommodates this breaker body in the mode that can pull out; Exhaustion mechanism, it is by inserting operating portion from the outside with draw-out handle, and operates on it, with breaker body from pulling out frame and pull out and frame being pulled out in insertion; And the manual operation handle apparatus, it is from the outside manual operation of breaker body, carries out energy storage to connecting spring, and the manual operation handle apparatus is by constituting with the lower part: axial region, it is fastened on connecting on the driving shaft of energy storage part that spring carries out energy storage; And excellent portion, it is arranged on this axial region in demountable mode, has the holding section on the operating portion that can be fastened on exhaustion mechanism in the excellent portion.
The effect of invention
By draw-out type breaker of the present invention, because be arranged on excellent portion on this axial region by the axial region on the driving shaft that is fastened on energy storage part with in demountable mode, constitute the necessary manual operation handle apparatus of closed procedure, has the holding section on the operating portion that can be fastened on exhaustion mechanism in the rod portion, so can pull down excellent portion as required, used as the draw-out handle that exhaustion mechanism is operated, therefore do not need to be provided with in addition draw-out handle, can guarantee the receiving space of draw-out handle, and do not worry losing, thereby a kind of draw-out type breaker easy to use is provided.
Description of drawings
Fig. 1 is the oblique view of the draw-out type breaker in the embodiments of the present invention 1.
Fig. 2 is the side cut away view of the energy storage part of pulling out circuit breaker among Fig. 1.
Fig. 3 is the side cut away view of the exhaustion mechanism of pulling out circuit breaker among Fig. 1.
Fig. 4 is the oblique view of pulling down a part of pulling out the manual operation handle apparatus of circuit breaker among Fig. 1.
Fig. 5 is existing oblique view of pulling out circuit breaker.
Embodiment
Execution mode 1.
Fig. 1 is the oblique view of the draw-out type breaker in the embodiments of the present invention 1, and Fig. 2 and Fig. 3 are the profiles of the major part of Fig. 1, and Fig. 4 is an oblique view of pulling down the part of manual operation handle apparatus.
As shown in Figure 1, the mode of breaker body 1 pulling out, be housed in pulling out in the frame 2 on the structures such as being fixed in distribution board, represented among the figure that breaker body 1 inserts the state of pulling out in the frame 2, i.e. the conductor (not shown) of breaker body 1 side and be located at the state that is electrically connected between the main circuit tie point (not shown) of pulling out frame 2 sides.In breaker body 1 and the both sides of pulling out frame 2, be provided with the pull out guide rail 3 of freely stretching respectively, in addition, lower side is provided with exhaustion mechanism described later.And the bottom at the face portion 1a of breaker body 1 is provided with the patchhole 1b that is used to insert draw-out handle.
In breaker body 1, has the energy storage part that connection spring described later is carried out energy storage, connecting spring can be by electronic or manually carry out energy storage, and be used for manually carrying out the manual operation handle apparatus 4 of energy storage, in the mode that can operate from the outside, be arranged among the handle resettlement section 1c on the front face 1a that is located at breaker body 1.In addition, front face 1a is provided with the close push button 5 that the moving contact (not shown) that makes breaker body 1 is connected, and with the cut-off push button 6 of its disconnection.
At first utilize Fig. 2 that the energy storage part 7 of connecting spring is described.On the camshaft 8 on the housing that is located at breaker body 1 in mode free to rotate, be fastened with ratchet 9 and cam 10.And an end has the energy storage arm 12 of the roller 11 that rolls on cam 10, is that fulcrum rotates with fixed axis 13, and its other end is only blocked to be connected on the spring 14.Above-mentioned 8 to 14 have constituted energy storage part 7, but have only represented the necessary minimal components structure of explanation the present invention among the figure.In fact has more constituent part, because they are not major parts of the present invention, so omit.
Manual operation handle apparatus 4 is by constituting with the lower part: axial region 41, and it is anchored on the camshaft 8 as the driving shaft of this energy storage part 7, rotates integratedly with camshaft 8; And excellent portion 42, it is screwed together on the axial region 41, is provided with removably.
To utilizing manual operation handle apparatus 4 manually to describe to connecting the situation that spring carries out energy storage.If from the state of Fig. 2, hold the excellent portion 42 of manual operation handle apparatus 4, carry out several by the direction of arrow A and forget about it action, then ratchet 9 and cam 10 are the center with camshaft 8, by counterclockwise rotating.Because the rotation by cam 10, the roller of being located on the energy storage arm 12 11 rolls on cam 10, so energy storage arm 12 be that fulcrum rotates to clockwise direction with fixed axis 13, pushes connection spring 14 and by energy storage.
Under this state, by pressing the close push button 5 that is arranged on the front face 1a, not shown linkage etc. move and discharge the energy storage of connecting spring 14, and the contact of being located at the main circuit conducting parts on the breaker body 1 contacts, and becomes conducting state.
In addition, because have the main circuit conducting parts of moving contact and fixed contact and make switching mechanism that their open and close and linkage etc., not major part of the present invention, so the diagram of omission and explanation.
Below exhaustion mechanism 15 is carried out simple declaration.Fig. 3 is a part sectioned view of seeing Fig. 1 from the side, has represented the overview of exhaustion mechanism 15 parts.In the inboard of the patchhole 1b of the front face 1a bottom that is formed at breaker body 1, from front side direction rear side, driving screw 16 is fixed on the housing in rotatable mode.A side relative with patchhole 1b forms the hexagon ring 16a as the operating portion that fastens with draw-out handle, in the rear side of the other end, forms with protruding and is arranged at the external screw thread 16b that the inserting bolt 17 of pulling out frame 2 sides is screwed.
In addition, the just major part shown in the figure has been omitted the part of not having direct relation with the present invention among the figure.In addition, this exhaustion mechanism 15 is not limited to the shape among the figure so long as can get final product by the lever operated device of operating from the outside of breaker body 1.
Before the action of explanation exhaustion mechanism 15, the installation and removal and the detailed structure of the illustrated manual operation handle apparatus 4 in front described.About manual operation handle apparatus 4, because as previously mentioned, rod portion 42 is constituting from the mode that axial region 41 is pulled down, so under the state that excellent portion 42 is left behind from the front face 1a of breaker body 1 (the chain-dotted line part that is equivalent to Fig. 2), if by counterclockwise rotating, just can remove from axial region 41 with respect to the axle center.
State after Fig. 4 represents excellent portion 42 removed from axial region 41.As shown in the figure, an end of excellent portion 42 forms and is arranged at the external thread part 42a that the internal thread part 41a on the axial region 41 is screwed, and in addition, hexagonal spanner 42b is set on the end of this external thread part 42a.This hexagonal spanner 42b becomes the holding section that fastens with hexagon ring 16a as the operating portion of exhaustion mechanism 15.In addition, on the other end,, utilize for example bolt or rivet etc., handle part 43a, 43b are installed in rotary mode to be center of rotation near the end.This handle part 43a, 43b are shown in chain-dotted line among the figure, can being provided with in the mode that roughly opens and closes in the scope of an angle of 90 degrees with respect to the axis of excellent portion 42, if folding then roughly become the profile of excellent portion 42.The parts of handle part 43a, 43b separate with other parts, but in the making of reality, for example, can be from the end side of excellent portion 42,, on the direction parallel, 3 parts are cut in excellent portion and use about half up to general with direction of principal axis, like this can economical with materials.
When handle part 43a, 43b being folded and are housed in the excellent portion 42, in order to make among its handle resettlement section 1c that successfully is housed in breaker body 1, preferably on the corresponding position of handle part 43a, 43b and excellent portion 42, be provided with for example by the concavo-convex sticking department that forms.
In addition, represented among the figure that handle part is set to the situation of two of 43a, 43b, had only wherein any one also passable certainly.
In addition, the excellent portion that comprises handle part is not limited to the shape among the figure, for example, excellent portion self can be bent it as handle part in case of necessity in the central vicinity bending of length direction.Key is that excellent portion can remove from axial region, and for having the shape of the holding section that can fasten with the operating portion of exhaustion mechanism.
Below, in mainteinance repair of draw-out type breaker etc., the operation that utilizes exhaustion mechanism 15 that breaker body 1 is pulled out from pull out frame under the situation is described.At first,, from the manual operation handle apparatus, take off excellent portion 42, shown in the chain-dotted line of Fig. 4, handle part 43a, 43b are opened as preparation in advance.Below, the excellent portion under this state is referred to as draw-out handle.
Shown in the chain-dotted line of Fig. 1, draw-out handle is inserted among the patchhole 1b, its holding section 42b and hexagon ring 16a as the driving screw 16 of the operating portion of exhaustion mechanism 15 are fastened, by making this draw-out handle by counterclockwise rotating, pull out guide rail 3 elongations, breaker body 1 pulled on the position of regulation from pulling out frame 2, and the conductor of breaker body 1 side becomes non-electric-connecting state with the main circuit tie point of pulling out frame 2 sides, afterwards, just breaker body 1 can be pulled out from pull out frame 2.
Insert under the situation of operation, as long as carry out above-mentioned opposite operation.If the end of job, then draw-out handle is by original appearance, excellent portion 42 is screwed into axial region 41 and assembles, folding handle part 43a, 43b and be contained among the 1c of handle resettlement section.
As mentioned above, invention by present embodiment, because constitute the necessary manual operation handle apparatus of closed procedure by axial region on the driving shaft that is anchored on energy storage part and the excellent portion that is arranged on this axial region in demountable mode, and has the holding section that can fasten in the excellent portion with the operating portion of exhaustion mechanism, so can pull down the excellent portion of manual operation handle apparatus as required, with draw-out handle as exhaustion mechanism.Therefore, because do not need special-purpose draw-out handle, can guarantee the receiving space of draw-out handle, and not worry losing, so a kind of draw-out type breaker easy to use can be provided.
In addition, because in excellent portion, be provided with the handle part that can fold, so under the situation of the draw-out handle that is used as exhaustion mechanism, the rotating operation of draw-out handle is easy.
In addition, because handle part is set to, can be center of rotation near the end with a side opposite with the installing/dismounting side of excellent portion, roughly open and close in 90 scopes of spending at axis with respect to excellent portion, so when excellent portion is rotated, can grasp open handle part and it is rotated, thereby the operability during the pulling out and insert of breaker body improves.

Claims (3)

1. draw-out type breaker, it has: breaker body (1), it has connecting the energy storage part (7) that spring (14) carries out energy storage, and instructs after above-mentioned connection spring (14) is carried out energy storage and discharge, and makes main circuit conducting parts closure thus; Pull out frame (2), it accommodates this breaker body (1) in the mode that can pull out; Exhaustion mechanism (15), it is by inserting draw-out handle from the outside operating portion (16a), and operates on it, and the above-mentioned frame (2) of pulling out is pulled out and inserted to breaker body (1) from the above-mentioned frame (2) of pulling out; And manual operation handle apparatus (4), it carries out energy storage from the outside manual operation of above-mentioned breaker body (1) to above-mentioned connection spring (14), it is characterized in that,
Above-mentioned manual operation handle apparatus (4) is by constituting with the lower part: axial region (41), and it is fastened on above-mentioned connection spring (14) is carried out on the driving shaft (8) of above-mentioned energy storage part (7) of energy storage; And excellent portion (42), it is arranged on this axial region (41) in demountable mode,
Has the holding section (42b) that can fasten in the above-mentioned excellent portion (42) with the aforesaid operations portion (16a) of above-mentioned exhaustion mechanism (15).
2. draw-out type breaker according to claim 1 is characterized in that,
Above-mentioned excellent portion (42) have the handle part that can fold (43a, 43b).
3. draw-out type breaker according to claim 2 is characterized in that,
Above-mentioned handle part (43a 43b) is set to, with the end of the opposite side of the installing/dismounting side of above-mentioned excellent portion (42) near be center of rotation, can switching in the scopes of about 90 degree with respect to the axis of above-mentioned excellent portion (42).
CN200610001633A 2005-08-26 2006-01-18 Pull type breaker Expired - Fee Related CN100589298C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005246084 2005-08-26
JP2005246084A JP4597816B2 (en) 2005-08-26 2005-08-26 Pull-out type circuit breaker

Publications (2)

Publication Number Publication Date
CN1921251A true CN1921251A (en) 2007-02-28
CN100589298C CN100589298C (en) 2010-02-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200610001633A Expired - Fee Related CN100589298C (en) 2005-08-26 2006-01-18 Pull type breaker

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JP (1) JP4597816B2 (en)
CN (1) CN100589298C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102801114A (en) * 2011-05-27 2012-11-28 三菱电机株式会社 Pull-out brake
CN101562317B (en) * 2008-04-15 2014-08-20 通用电气公司 Draw out circuit breaker assembly having a telescopic racking handle
CN104409970A (en) * 2014-11-28 2015-03-11 国家电网公司 Switch cabinet
CN111799691A (en) * 2019-04-01 2020-10-20 三菱电机株式会社 Pull-out type circuit breaker
CN111971862A (en) * 2018-04-02 2020-11-20 三菱电机株式会社 Mobile device plug-in and pull-out device and electrical device
CN112466724A (en) * 2019-09-06 2021-03-09 河南森源电气股份有限公司 Energy storage handle and circuit breaker

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JP4587972B2 (en) * 2006-02-17 2010-11-24 三菱電機株式会社 Circuit breaker and plunger holding device for circuit breaker
KR100807544B1 (en) * 2006-10-17 2008-02-28 엘에스산전 주식회사 Cradle withdraw in and out device of circuit break
US7821775B2 (en) * 2008-04-15 2010-10-26 General Electric Company Racking mechanism for a circuit breaker
CN102683055B (en) * 2012-05-07 2016-05-25 无锡智卓电气有限公司 A kind of transfer switching equipment
CN103021688A (en) * 2012-12-05 2013-04-03 施耐德万高(天津)电气设备有限公司 Automatic transfer switching device with handle box
KR102357014B1 (en) * 2018-03-07 2022-02-08 미쓰비시덴키 가부시키가이샤 Draw-out circuit breaker
WO2023132389A1 (en) * 2022-01-07 2023-07-13 (주)에코파워텍 Circuit breaker dismantling device for assembled distribution board

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JPS5825291U (en) * 1981-08-13 1983-02-17 ブリヂストンサイクル株式会社 Bicycle handle folding device
JPS6131666U (en) * 1984-07-27 1986-02-26 茂 中島 Screwdriver with folding handle
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JP2523134Y2 (en) * 1990-01-19 1997-01-22 大日本印刷株式会社 Delivery slip
JP2551660Y2 (en) * 1992-06-16 1997-10-27 三菱電機株式会社 Draw-out circuit breaker
JP4257990B2 (en) * 2002-04-12 2009-04-30 三菱電機株式会社 Pull-out type circuit breaker

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562317B (en) * 2008-04-15 2014-08-20 通用电气公司 Draw out circuit breaker assembly having a telescopic racking handle
CN102801114A (en) * 2011-05-27 2012-11-28 三菱电机株式会社 Pull-out brake
CN102801114B (en) * 2011-05-27 2015-05-13 三菱电机株式会社 Pull-out brake
CN104409970A (en) * 2014-11-28 2015-03-11 国家电网公司 Switch cabinet
CN111971862A (en) * 2018-04-02 2020-11-20 三菱电机株式会社 Mobile device plug-in and pull-out device and electrical device
CN111971862B (en) * 2018-04-02 2023-03-31 三菱电机株式会社 Mobile device plug-in and pull-out device and electrical device
CN111799691A (en) * 2019-04-01 2020-10-20 三菱电机株式会社 Pull-out type circuit breaker
CN111799691B (en) * 2019-04-01 2024-04-09 三菱电机株式会社 Pull-out circuit breaker
CN112466724A (en) * 2019-09-06 2021-03-09 河南森源电气股份有限公司 Energy storage handle and circuit breaker
CN112466724B (en) * 2019-09-06 2022-10-28 河南森源电气股份有限公司 Energy storage handle and circuit breaker

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Publication number Publication date
JP2007060868A (en) 2007-03-08
JP4597816B2 (en) 2010-12-15
CN100589298C (en) 2010-02-10

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Granted publication date: 20100210

Termination date: 20200118