CN1306536C - Terminal structure and terminal structure of circuit breaker - Google Patents
Terminal structure and terminal structure of circuit breaker Download PDFInfo
- Publication number
- CN1306536C CN1306536C CNB2004100567545A CN200410056754A CN1306536C CN 1306536 C CN1306536 C CN 1306536C CN B2004100567545 A CNB2004100567545 A CN B2004100567545A CN 200410056754 A CN200410056754 A CN 200410056754A CN 1306536 C CN1306536 C CN 1306536C
- Authority
- CN
- China
- Prior art keywords
- terminal
- cover
- screw
- pedestal
- splicing ear
- 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.)
- Expired - Fee Related
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- Breakers (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
This terminal structure is characteristically provided with: a plurality of the connection terminals 11 arranged in parallel with one another; terminal screw inserting oval holes 11a formed in the connection terminals 11 and elongated in the parallel arrangement direction; terminal screws 13 inserted into the oval holes 11a and nuts 14 screwed to them; a base 1 formed of an insulating material and having a plurality of recessed parts 1a for receiving the connection terminals 11, and spaces 1b and 1bb housing the terminal screws 13 and the nuts 14 and permitting movement in the parallel arrangement direction of the terminal screws 13; a cover 2 mounted on the base 1 while covering the connection terminals 11 and formed of an insulating material; positioning projections 2a formed by being suspended from the lower end of the cover 2 for moving at least one of the terminal screws 13 along the oval hole 11a when the cover 2 is mounted on the base.
Description
Technical field
The present invention relates to connect the terminal structure of outside terminal and the terminal structure of circuit-breaker.
Background technology
The terminal structure of circuit-breaker in the past, such as in the Japanese publication communique 2003-346633 communique announcement, be that splicing ear is provided in the recess by pedestal and the formed framework of cover, and make externally and utilize terminal screw outside terminal to be carried out the structure of clamping under the terminal and this splicing ear state of contact.
Because the terminal structure of in the past circuit-breaker makes above-mentioned structure, so the occasion that is connected with splicing ear at the outside terminal that will form a plurality of braces can not make the different outside terminal of brace spacing be connected with splicing ear.Therefore, if then there is the problem that must use the terminal structure that meets with this spacing in the brace spacing difference of outside terminal at every turn.
Summary of the invention
The present invention makes in order to address the above problem, its purpose is, the terminal structure that provide that spacing can change simply between the terminal that makes splicing ear, can easily different with brace spacing outside terminals connects and the terminal structure of circuit-breaker.
Terminal structure of the present invention has: a plurality of splicing ears that are arranged side by side; Be located on this splicing ear, be arranged side by side direction long insert general slotted hole for terminal screw; Insert the nut that leads to the terminal screw in above-mentioned slotted hole and screw togather with it; By the pedestal that insulant constitutes, this pedestal has a plurality of recesses of accommodating above-mentioned splicing ear and accommodates above-mentioned terminal screw and nut and allow above-mentioned terminal screw along space that above-mentioned slotted hole moves; Cover above-mentioned splicing ear and be installed in the cover that constitutes by insulant on the said base; Be provided with floppily in the lower end of above-mentioned cover, when being installed in above-mentioned cover on the said base, make at least 1 locator protrusions that moves along above-mentioned slotted hole of above-mentioned terminal screw.
In addition, the terminal structure of circuit-breaker of the present invention has: breaker mechanism portion; The a plurality of splicing ears that stretch out side by side from above-mentioned breaker mechanism portion; Be located on this splicing ear, be arranged side by side direction long insert general slotted hole for terminal screw; Insert the nut that leads to the terminal screw in above-mentioned slotted hole and screw togather with it; By the pedestal that insulant constitutes, this pedestal has a plurality of recesses of accommodating above-mentioned splicing ear and accommodates above-mentioned terminal screw and nut and allow above-mentioned terminal along space that above-mentioned slotted hole moves; Cover above-mentioned breaker mechanism portion and above-mentioned splicing ear and be installed in the cover that constitutes by insulant on the said base; At least 1 locator protrusions that moves along above-mentioned slotted hole that is provided with floppily in the lower end of above-mentioned cover, when being installed in above-mentioned cover on the said base, make above-mentioned terminal screw.
The terminal structure of terminal structure of the present invention and circuit-breaker, owing to make when being installed in cover on the pedestal, can utilize the locator protrusions that covers that terminal screw is moved and automatically change terminal pitch, so do not need to prepare in addition the different terminal structure of spacing between terminal, outside terminal is carried out simply with the operation that is connected of splicing ear.
Description of drawings
Fig. 1 is the stereogram of the terminal structure of expression the invention process form 1.
Fig. 2 is the exploded perspective view of the terminal structure of expression example 1.
Fig. 3 is the stereogram of portion of terminal of representing the terminal structure of example 1 enlargedly.
Fig. 4 is the vertical view of major part of pedestal of representing the terminal structure of example 1 enlargedly.
Fig. 5 is the cutaway view along the A-A line of Fig. 1, and (a) and (b) are represented the different structure of spacing between terminal.
Fig. 6 is the exploded perspective view of the terminal structure of expression the invention process form 2.
Fig. 7 is the cutaway view along the B-B line of Fig. 6, and (a) and (b) are represented the different structure of spacing between terminal.
Embodiment
[example 1]
Fig. 1 is the stereogram of terminal structure of the circuit-breaker of expression the invention process form 1, Fig. 2 is the exploded perspective view of Fig. 1, Fig. 3 is the amplification stereogram of the portion of terminal of Fig. 2, Fig. 4 is the amplification plan view of the pedestal of Fig. 2, Fig. 5 is the cutaway view along the A-A line of Fig. 1, and (a) and (b) are represented the different situation of spacing between terminal.
Among the figure, circuit-breaker 100 has respectively: the pedestal 1 that is made of insulant; By cover mounted thereto 2 formed frameworks; Be housed in the breaker mechanism portion 10 in this framework.Be provided with a plurality of (this example being 3) splicing ear 11 from breaker mechanism portion 10 with the interval of stipulating with stretching out.In more detail as shown in Figure 3, on this splicing ear 11, be provided with the long slotted hole 11a of direction, in this slotted hole 11a, insert the terminal screw 13 that is connected with the brace clamping of outside terminal described later at the splicing ear of adjacency.Terminal screw 13 has with this screw does not insert logical terminal pressing plate 12 with having play.Terminal pressing plate 12 is made squarely, and the upper limb on its four limit is formed with rake 12a.Terminal screw 13 and four jiaos or hexagonal nut 14 screw togather, and the brace that is positioned in the aftermentioned outside terminal on the splicing ear 11 securely is clamped between terminal pressing plate 12 and the splicing ear 11.
Outside terminal 4 forms a plurality of (in this example being 3) the brace 4a that is connected with above-mentioned splicing ear 11 respectively.
On the pedestal 1 of circuit-breaker 100, when breaker mechanism portion 10 was made up with pedestal 11,3 recess 1a of collecting company's connecting terminal 11 were configured to separate with the next door 1c that moves of restriction splicing ear 11.On the end of the recess 1a that respectively is separated, be provided with rotation to nut 14 and suppress, and allow at the direction of the adjacent recess of nut 14, the nut retaining hole 1b that promptly moves to direction along slotted hole 11a.In addition, in the bottom of this nut retaining hole 1b, be formed with and make the hole 1bb that moves to the direction of adjacent recess from the lower end of the outstanding terminal screw 13 of nut 14.The plane of this nut retaining hole 1b is shown in Fig. 4.
To breaker mechanism portion 10 and splicing ear 11 parts from above the central authorities of the cover 2 that covers, be provided with the handle of breaker mechanism portion 10 being operated with manually 3.The part of the covering splicing ear 11 of cover 2, have and insert the hole 2c that the logical screwdriver that the head of terminal screw 13 is twisted is used, the below of this hole 2c is expanded into the head greater than terminal screw 13, and make screw 13 the direction of adjacent screw, be splicing ear 11 and set direction, promptly can move left and right among the figure state.On cover 2, when making this cover 2 with pedestal 1 combination, be provided with the locator protrusions 2a that the position to terminal screw 13 positions integratedly with cover floppily in cover 2 both sides, this locator protrusions 2a embeds the inboard (situation shown in Fig. 5 (a)) of next door 1c that son is located at two outsides of pedestal 1.The position of locator protrusions 2a is set, matches with the position that is provided with terminal screw 13.Inner edge in the lower end of locator protrusions 2a is formed with rake 2b, and this rake 2b is made to the rake 12a state of contact with terminal pressing plate 12.
As can with the cover of cover 2 transposing shown in Fig. 5 (a), prepare to have the cover 2A shown in Fig. 5 (b).Cover 2 is that with the difference of 2A on cover 2A, locator protrusions 2Aa contacts with the next door 1c of pedestal 1 inboard, and its rake 2Ab is positioned at the inboard of the screw of both sides.
Then, the installation to the terminal structure of the above-mentioned circuit-breaker that constitutes describes.
(1) nut 14 insertions is formed among the nut retaining hole 1b of pedestal 1.
(2) breaker mechanism portion 10 is placed on the pedestal 1.At this moment, splicing ear 11 is embedded to recess 1a.
(3) terminal pressing plate 12 is inserted lead under the state on the terminal screw 13, with the slotted hole 11a of terminal screw 13 intercalations at splicing ear 11 after, make with nut 14 and rotate to fastening direction with screwing togather.At this moment, because the profile of nut 14 forms four jiaos or hexagon, because of being rotated, so terminal screw can be screwed into nut 14 reliably by hole 1b restriction.In addition, terminal screw 13 and terminal pressing plate 12 and nut 14 unclamp the degree that can move along slotted hole 11a in advance.
(4) will cover 2 is installed on the pedestal 1.At this moment, because formed rake 2b is with formed rake 12a butt on terminal pressing plate 12 and to its pushing on cover 2 locator protrusions 2a, thus the terminal screw 13 that is arranged in both sides slotted hole 11a difference to the inside (situation of Fig. 5 (a)) move and between with terminal spacing automatically set L1 for.In addition, be installed in occasion on the pedestal 1 will covering 2A, formed rake 2Ab on the locator protrusions 2Aa of cover 2A, because with formed rake 12a butt on the terminal pressing plate 12 of the terminal screw of both sides and to its pushing, thus the terminal screw 13 that is positioned at both sides along slotted hole 11a respectively laterally (situation of Fig. 5 (b)) mobile and automatically set spacing between terminal for L2.
(5) be after the brace 4a of the outside terminal 4 of L1 or L2 inserts between splicing ear 11 and the terminal pressing plate 12 with spacing between terminal, by with screwdriver from cover 2 or the hole 2c of 2A or 2Ac terminal screw 13 is rotated, and with brace 4a and splicing ear 11 fastening fixing.
As mentioned above, adopt the terminal structure of the circuit-breaker of the invention process form 1, the structure that spacing is different between the outside terminal that becomes one with a plurality of braces is to terminal is carried out the occasion that screw is connected with splicing ear 11, because only wantonly 1 to cover corresponding with this outside terminal 2 or 2A selects and makes up with pedestal 1, just can automatically set the spacing of the terminal screw 13 of splicing ear 11, become extremely simple so connect operation.
[example 2]
Fig. 6 is the exploded perspective view of terminal structure of the circuit-breaker of expression the invention process form 2, and Fig. 7 is the cutaway view along the B-B line of Fig. 6, and (a) and (b) are represented the different situation of spacing between terminal.Among the figure, the key element identical with Fig. 1～Fig. 5 put on identical symbol and omitted detailed explanation.Among the figure, the terminal structure 101 of the circuit-breaker of this example is with terminal structure 100 dissimilarities of the circuit-breaker of example 1, and cover shown in Figure 12 is separated into the 1st cover 20 that breaker mechanism portion 10 is covered and the 2nd cover 21 that splicing ear is covered.
On the part of the 2nd cover 21 covering splicing ear 11, has the hole 21c that screwdriver that the head of terminal screw 13 is twisted is passed through, and that the below of this hole 21c is expanded is more much bigger than the head of terminal screw 13, makes screw 13 and moves about can be to the direction of the screw of adjacency, promptly in figure.On the 2nd cover 21, be provided with integratedly in both sides from the sagging locator protrusions 21a of the 2nd cover 21, this locator protrusions 21a with the 2nd cover 21 when pedestal 1 is installed, the inboard of the next door 1c on two outsides that are located at pedestal 1 embeds (situation shown in Fig. 7 (a)).Locator protrusions 21a be configured to be positioned at terminal screw 13 the side state and on the inner edge of the lower end of locator protrusions 21a, be formed with rake 21b.
As covering the cover of 21 transposings, prepare to have the cover of the 2nd shown in Fig. 7 (b) 21A with the 2nd shown in Fig. 7 (a).The 2nd cover 21 is with the dissimilarity of 21A, and on the 2nd cover 21A, locator protrusions 21Aa contacts with the next door 1c of the inboard of pedestal 1 and its rake 21Ab is positioned at the inboard of the screw of both sides.
Then, the installation to the terminal structure of the circuit-breaker of the invention process form 2 of above-mentioned formation describes.
(1) breaker mechanism portion (not shown) is placed on the pedestal 1, covers on it with the 1st cover 20.At this moment, make splicing ear 11 embed recess 1a.
(2) nut 14 is inserted among the nut retaining hole 1b that is formed on the pedestal 1.
(3) terminal pressing plate 12 is inserted lead under the state on the terminal screw 13, with terminal screw 13 after slotted hole 11a intercalation, make with nut 14 and rotate to fastening direction with screwing togather.At this moment, terminal screw 13 and terminal pressing plate 12 and nut 14 unclamp the degree that other the direction of splicing ear of Cheng Nengxiang adjacency moves in advance.
(4) the 2nd cover 21 is installed on the pedestal 1.At this moment, because formed rake 21b is with formed rake 12a butt on terminal pressing plate 12 and to its pushing on the 2nd cover 21 locator protrusions 21a, thus the terminal screw 13 that is positioned at both sides along slotted hole 11a difference to the inside (situation of Fig. 7 (a)) move and automatically set spacing between terminal for L3.In addition, be installed in occasion on the pedestal 1 will covering 21A, formed rake 21Ab on the locator protrusions 21Aa of cover 21A, because with formed rake 12a butt on the terminal pressing plate 12 of the terminal screw of both sides and to its pushing, thus the terminal screw 13 that is positioned at both sides along slotted hole 11a respectively laterally (situation of Fig. 7 (b)) mobile and automatically set spacing between terminal for L4.
(5) with spacing between terminal be the brace 4a of the outside terminal 4 of L3 or L4 between splicing ear 11 and terminal pressing plate 12, insert the back, by with screwdriver from cover 21 or hole 21c or the 21Ac of 21A make brace 4a and splicing ear 11 fastening fixing.
As mentioned above, adopt the terminal structure of the circuit-breaker of the invention process form 2, by 2nd cover 21 or the 21A corresponding with spacing (L3, L4) between required terminal are installed on the pedestal 1, can easily terminal screw 13 be set for spacing between the terminal of regulation, and, the 2nd cover 21 or 21A and the 1st make split because being covered 20, even so be installed with under the state of circuit-breaker, by the 2nd cover 21 or 21A are changed, also the position of terminal screw 13 can be altered to spacing between the terminal of regulation.
The present invention is the basis with the terminal structure of circuit-breaker, can be used in employed terminal structure in various electric equipments.
Claims (6)
1, a kind of terminal structure is characterized in that, has: a plurality of splicing ears that are arranged side by side; Be located on this splicing ear, be arranged side by side direction long insert general slotted hole for terminal screw; Insert the nut that leads to the terminal screw in described slotted hole and screw togather with it; By the pedestal that insulant constitutes, this pedestal has a plurality of recesses of accommodating described splicing ear and accommodates described terminal screw and nut and allow described terminal screw along space that described slotted hole moves; Cover described splicing ear and be installed in the cover that constitutes by insulant on the described pedestal; Be provided with floppily in the lower end of described cover, when being installed in described cover on the described pedestal, make at least 1 locator protrusions that moves along described slotted hole of described terminal screw.
2, a kind of terminal structure of circuit-breaker is characterized in that, has: breaker mechanism portion; The a plurality of splicing ears that stretch out side by side from described breaker mechanism portion; Be located on this splicing ear, be arranged side by side direction long insert general slotted hole for terminal screw; Insert the nut that leads to the terminal screw in described slotted hole and screw togather with it; By the pedestal that insulant constitutes, this pedestal has a plurality of recesses of accommodating described splicing ear and accommodates described terminal screw and nut and allow described terminal along space that described slotted hole moves; Cover described breaker mechanism portion and described splicing ear and be installed in the cover that constitutes by insulant on the described pedestal; Be provided with floppily in the lower end of described cover, when being installed in described cover on the described pedestal, make at least 1 locator protrusions that moves along described slotted hole of described terminal screw.
3, the terminal structure of terminal structure as claimed in claim 1 or the described circuit-breaker of claim 2, it is characterized in that, described splicing ear is provided with 3 side by side, described locator protrusions is set on the cover, make terminal screw set on the splicing ear in two outsides along described slotted hole inward direction or outside the either direction of direction move.
4, the terminal structure of terminal structure as claimed in claim 1 or the described circuit-breaker of claim 2 is characterized in that, described pedestal, and its space of accommodating described nut is made to the shape that nut can't be rotated.
5, the terminal structure of terminal structure as claimed in claim 1 or the described circuit-breaker of claim 2, it is characterized in that, described locator protrusions, be the bottom with described terminal screw or be installed in the contact site that the terminal pressing plate on the described terminal screw contacts, this contact site is formed skewed.
6, the terminal structure of circuit-breaker as claimed in claim 2 is characterized in that, described cover is divided into the 1st cover that described breaker mechanism portion is covered and the 2nd cover that described splicing ear is covered.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004134245 | 2004-04-28 | ||
| JP2004134245A JP4310230B2 (en) | 2004-04-28 | 2004-04-28 | Terminal structure and terminal structure of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1691240A CN1691240A (en) | 2005-11-02 |
| CN1306536C true CN1306536C (en) | 2007-03-21 |
Family
ID=35346579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100567545A Expired - Fee Related CN1306536C (en) | 2004-04-28 | 2004-08-13 | Terminal structure and terminal structure of circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4310230B2 (en) |
| CN (1) | CN1306536C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5199963B2 (en) * | 2009-08-07 | 2013-05-15 | 三菱電機株式会社 | Breaker |
| KR200470503Y1 (en) | 2012-12-05 | 2013-12-19 | 엘에스산전 주식회사 | Case structure of circuit breaker |
| CN104981944B (en) * | 2013-03-15 | 2017-05-31 | 三菱电机株式会社 | The terminal construction and terminal method for selecting of terminal construction and circuit-breaker |
| CN105023812A (en) * | 2015-07-13 | 2015-11-04 | 国家电网公司 | Unilateral residual current operated circuit breaker installation base |
| CN105070598B (en) * | 2015-07-16 | 2019-05-10 | 广东万江配电有限公司 | A kind of novel breaker |
| KR101785170B1 (en) * | 2015-12-17 | 2017-10-13 | 신재식 | Terminal frame of a power distributer for a street furniture and A power distributer |
| CN106298385B (en) * | 2016-10-14 | 2018-07-31 | 沈阳北方防爆股份有限公司 | A kind of convenient for wiring earth leakage protective device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188977A (en) * | 1996-12-25 | 1998-07-29 | 株式会社日立制作所 | Circuit breaker |
| CN1275785A (en) * | 1999-05-31 | 2000-12-06 | 三菱电机株式会社 | Circuit breaker |
-
2004
- 2004-04-28 JP JP2004134245A patent/JP4310230B2/en not_active Expired - Fee Related
- 2004-08-13 CN CNB2004100567545A patent/CN1306536C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188977A (en) * | 1996-12-25 | 1998-07-29 | 株式会社日立制作所 | Circuit breaker |
| CN1275785A (en) * | 1999-05-31 | 2000-12-06 | 三菱电机株式会社 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1691240A (en) | 2005-11-02 |
| JP2005317379A (en) | 2005-11-10 |
| JP4310230B2 (en) | 2009-08-05 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20200813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |