CN101170016A - Installation switching device and terminal clamp therefor - Google Patents
Installation switching device and terminal clamp therefor Download PDFInfo
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- CN101170016A CN101170016A CNA2007101637445A CN200710163744A CN101170016A CN 101170016 A CN101170016 A CN 101170016A CN A2007101637445 A CNA2007101637445 A CN A2007101637445A CN 200710163744 A CN200710163744 A CN 200710163744A CN 101170016 A CN101170016 A CN 101170016A
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Abstract
The invention relates to a connecting terminal (10) which is arranged in the terminal containing area of the switch gear of device. The connecting terminal comprises a clamping bolt (24) which is provided with a driving end (26) and a clamping end(30) corresponding to the driving end; a terminal body (12) which has a clamping area (20). The clamping area can be limited through a ventral shield (17) of the terminal body (12). Besides, in the terminal body, a generatrix (48) and/or a connecting conductor (34) can be pressed on a conductor strip (36) through the clamping bolt (24). A plug-type sleeve (38) with a plug opening (46) is fixed at the ventral shield (17) of the terminal body (12) from the outside of the clamping area (20). The plug opening (46) forms between two wings (42 and 44) for holding a generatrix (48) connecting sheet.
Description
Technical field
The present invention relates to a kind of installation switchgear, described installation switchgear has housing and is positioned at the splicing ear of the terminal housing region of described housing, described splicing ear comprises: the pinching screw that can touch from the front, described pinching screw have drive end and the pinching end relative with described drive end; Terminal bodies forms clamping region in described terminal bodies, described clamping region can touch from adjacent leptoprosopy wall by first shell nozzle, and by means of the web limited boundary of described terminal bodies.
The invention still further relates to the splicing ear in a kind of terminal housing region that is installed in installation switchgear, described splicing ear has: pinching screw, described pinching screw have drive end and the pinching end relative with described drive end; Terminal bodies forms clamping region in described terminal bodies, described clamping region is by means of the web limited boundary of described terminal bodies.
The invention still further relates to a kind of splicing ear that is installed in the installation switchgear, described installation switchgear is a line-breaker, bonding conductor can be clipped in the clamping region between pinching screw and web regularly, and the brace of bus can be clipped in the plug-in type sleeve regularly, when the front of slave unit switching device was watched, the brace of bus was installed in the web back of terminal bodies.
Background technology
General splicing ear is fit to single bonding conductor is screwed on the installation switchgear.In addition, it also is fit to the brace of bar shaped phase place bus-bar is fixed on the installation switchgear conductively.
For example, general installation switchgear is line-breaker, residual current circuit breaker or power circuit breaker.For these installation switchgears, current path is by the inside of installation switchgear, be between at least one input terminal and at least one lead-out terminal, also by various assemblies (particularly heat and/or electromagnetism disconnect assembly) and at least one contact point, described contact point comprises fixed contact therefor and movable contact to this current path.
DE 44 36 780 C2 disclose a kind of installation switchgear with splicing ear, wherein, the brace of bar shaped phase place bus-bar can be screwed in the groove of narrow side of this installation switchgear.
EP 809 325 B1 disclose another kind of common apparatus switching device with general splicing ear.Wherein, the terminal join domain is divided into first join domain that is used for the wire bonding conductor and second join domain that is used for the brace of bar shaped phase place bus-bar by conductor bar.
In this case, in known common apparatus switching device, the screw attended operation of phase place bus-bar is complicated, because in installation switchgear being installed in for example distribution box the time, installation personnel must be connected this installation switchgear on the phase place bus-bar with two hands.A hand of this installation personnel keeps phase place bus-bar, another manual manipulation screwdriver.
Summary of the invention
Therefore, the splicing ear that the purpose of this invention is to provide a kind of installation switchgear and be used for installation switchgear has been simplified in this installation switchgear and splicing ear and being connected of phase place bus-bar.
Realize the purpose of relevant devices switching device by following general installation switchgear: this installation switchgear has housing and is positioned at the splicing ear of the terminal housing region of described housing, described splicing ear comprises: pinching screw, it can touch from the front, and has drive end and the pinching end relative with described drive end; Terminal bodies forms clamping region in described terminal bodies, described clamping region can touch from adjacent leptoprosopy wall by first shell nozzle, and away from a side of the pinching end web limited boundary by means of terminal bodies.Have the plug-in type sleeve that inserts mouthful and be fixed on the web of terminal body from the outside of clamping region, described insertion interruption-forming is used to hold the brace of bus between two alar parts.
Realize the purpose of relevant splicing ear by following general splicing ear: this splicing ear is installed in the terminal housing region of installation switchgear, described splicing ear has: pinching screw, described pinching screw have drive end and the pinching end relative with described drive end; Terminal bodies forms clamping region in described terminal bodies, described clamping region is by means of the web limited boundary of terminal bodies.Have the plug-in type sleeve that inserts mouthful and be fixed on the web of terminal body from the outside of clamping region, described insertion interruption-forming is used to hold the brace of bus between two alar parts.
Therefore, according to the present invention, have the plug-in type sleeve that inserts mouth and be fixed on the web of terminal bodies in the clamping region outside, described insertion interruption-forming is used to hold the brace of bus between two alar parts.As a result, the phase place bus-bar can be connected with splicing ear by the plug-in type connected mode of no screw, and installation personnel can use a hand to finish this attended operation.Therefore the insertion of phase place bus-bar is not only simpler, and rapider.
According to particularly preferred embodiment of the present invention, when when the front is watched, clamping region is arranged before and after each other with inserting mouth, and can be touched from the leptoprosopy wall adjacent with the front.
Advantageously, in this case, clamping region and insertion mouthful such layout, that is: when installation switchgear is installed in the distribution box, can utilize no screws clamp technology that bus is fixed in the plug-in type sleeve, and can utilize the screws clamp connected mode that bonding conductor is fixed in the clamping region.
In this case, according to embodiments of the invention, in clamping region, bus and/or bonding conductor can be pressed on the web by means of pinching screw.In this case, conductor bar can be parts independently, and described conductor bar is for example flat to be leaned against on the web of terminal bodies, and is connected with described web or even is integrally formed on the described web.Conductor bar is used for producing between other assembly of splicing ear according to the present invention and installation switchgear or parts and is electrically connected.Specifically, other conductor can be fixed on the conductor bar, described other conductor can pass through installation switchgear by the guide current path, and contacts with other assemblies such as heat or electromagnetism disconnection assemblies with for example contact point in this process.
According to particularly preferred embodiment of the present invention, in clamping region, bus and/or bonding conductor can directly be pressed on the web of terminal bodies by means of pinching screw.Advantageously, conductor bar can be formed on the web.
According to another preferred embodiment, the plug-in type sleeve shape that takes the shape of the letter U, its opening is towards in " installation " direction, and its alar part extends on this direction and meet at right angles with the direction of motion of pinching screw, and the plug-in type sleeve surrounds the both sides of the brace of bus as a result.In this case, advantageously, the plug-in type sleeve is the flat spring that curves U-shaped, and the opening of described plug-in type sleeve is towards the brace of bus.
About manufacturing according to splicing ear of the present invention, according to particularly preferred embodiment, terminal bodies has rectangular frame shape approx, described terminal bodies has web and described web of adjacency that forms the first narrow side and the alar part that forms two vertical sides, the free end of each alar part all free end approximate right angle ground to corresponding another alar part is crooked, make crooked free end overlapped, the result forms the second narrow side of described framework.In this case, the second narrow side preferably has opening, and described opening has the screw thread that is used to hold and guide pinching screw.
Advantageously, in this case, terminal bodies can be used as the sheet metal bending part manufacturing.In this case, the expansion shape that has alar part, web and may have a terminal bodies of conductor bar (being integrally formed on described web) can be come out by the sheet metal punching press.Then, alar part and the conductor bar that may exist are crooked backward at the curved edge place of relative set, thereby finally form required terminal bodies shape.
Description of drawings
Illustrate and describe the present invention and other preferable configuration of the present invention and improved form in greater detail with reference to the attached drawings, four exemplary embodiments of the present invention shown in the drawings, wherein:
Fig. 1 has schematically shown the partial sectional view according to first embodiment of splicing ear of the present invention;
Fig. 2 has schematically shown the end view of splicing ear shown in Figure 1;
Fig. 3 has schematically shown the partial sectional view according to second embodiment of splicing ear of the present invention;
Fig. 4 has schematically shown the partial sectional view according to the 3rd embodiment of splicing ear of the present invention;
Fig. 5 has schematically shown the end view of splicing ear shown in Figure 4; And
Fig. 6 has schematically shown the partial sectional view according to the 4th embodiment of splicing ear of the present invention.
In the accompanying drawings, identical parts or element all has identical Reference numeral on the identical or function, though in each embodiment slightly modified their form.
Embodiment
Fig. 1 shows the splicing ear 10 in the terminal housing region that is installed in installation switchgear such as line-breaker for example.Not shown line-breaker itself.
Upper narrow side 14 has opening 22, and pinching screw 24 stretches into clamping region 20 by this opening.Pinching screw 24 has the drive end 26 of head of screw form, and this head of screw has the groove 28 that is used for the turnbuckle screw cutter.At the pinching end relative with head of screw 30 places, pinching screw 24 is connected on the pressing plate 32.Pressing plate 32 simplify and improved pinching screw 24 with the bonding conductor 34 that can insert clamping region between machinery with electrically contact.
Certainly, also can use the screw of headless set screw or any other type to take the lead screw shown in replacing.
Pinching screw 24 can screw in or screw out clamping region 20 by screw thread 23 and 25 on the direction of arrow 50.
Plug-in type sleeve 38 is on the web 17 of clamping region 20 external stabilities in terminal bodies 12.Described plug-in type sleeve 38 takes the shape of the letter U approx, and comprises two alar parts 42 and 44 that connected by web 40.Insert mouthfuls 46 toward the outer side, the brace of bonding conductor 34 or phase place bus-bar (phase rail) 48 or bus 48 from insert mouthfuls 46 towards direction insert plug-in type sleeve 38.Therefore, clamping region 20 arranges with respect to the direction of motion 50 front and back of pinching screw 24 with the insertion mouth 46 of plug-in type sleeve 38, and can touch from the common plane A-A ' that touches, and it is parallel that this touches the vertical side in plane and the left side among Fig. 1 18.
Two alar parts 42 of plug-in type sleeve 38 and 44 surround the both sides of the bus 48 that inserts this plug-in type sleeve 38.In this case, plug-in type sleeve shown in Figure 1 for example is a flat spring, and this flat spring bends to U-shaped, and its opening 46 is towards the brace of bus 48.Owing to act on two alar parts 42 on bus 48 both sides of being inserted and 44 spring force, between two alar parts 42 and 44 of bus 48 and plug-in type sleeve 38, provide good electrical contact.
In order to clearly illustrate more, Fig. 2 shows from touching the view that plane A-A ' direction is watched.The figure shows two alar parts 52 forming two vertical sides 18 and 19 and 54 and web 17 join, thereby define the border of clamping region 20 in the bottom.Two alar parts 52 and 54 free end 53 and 55 all are similar to the right angle crooked in opposite directions, and overlapped.The upper narrow side 14 of terminal bodies 12 is formed by the lap between free end 53 and 55.In this embodiment, terminal bodies 12 can be used as sheet metal bending part with very simply, mode is made cheaply.Stamp out the planar development shape of this terminal bodies, form vertical side 18 and 19 by corresponding alar part 52 and 54 is upwards rolled over then, bend and make its overlapped upper narrow side 14 that forms by free end 53 and 55 right angles then alar part 52 and 54.
Fig. 3 shows an alternative embodiment of the invention.Here, the conductor bar 36 that is installed on the web 17 extends beyond web 17 towards the direction of touching plane A-A ', and bends to U-shaped backward around web 17.Therefore, formed towards the conductor bar alar part 39 that touches the outstanding arc conductor bar part 35 of plane A-A ' direction and extend abreast at the opposite side and the web 17 of web 17.
The side relative that first alar part 44 of plug-in type sleeve 38 is installed in web 17 with conductor bar 36.The arc conductor bar part 35 of conductor bar 36 and conductor bar alar part 39 are clipped in first alar part 44 of plug-in type sleeve on the web 17 regularly.
The web 40 of plug-in type sleeve 38 is similar to and touches plane A-A ' extension downwards abreast.Second alar part 42 of plug-in type sleeve 38 extends to first alar part 44 at a certain angle, and its free end has the part of bending up 43.As a result, insert the form that mouth 46 is plug-in type toroidal contactor.
The brace of bus 48 is inserted in the plug-in type sleeve 38, by second alar part 42 with bend up between the conductor bar alar part 39 of edge that part 43 forms and conductor bar 36.Because the spring force of second alar part 42 of plug-in type sleeve 38, described second alar part is pressed in the brace of bus 48 on the conductor bar alar part 39 of conductor bar 36, and has therefore produced reliable machinery and electrically contacted.
Have can insert in a simplified manner in the distribution box of domestic installation for example according to splicing ear 10 of the present invention according to installation switchgear of the present invention.For example, at first in a usual manner with a plurality of installation switchgears adjacent one another are be arranged into one row be installed on the apical cap type guide rail.
Then, under the situation of not using screw, be clamped in by brace in the plug-in type sleeve 38 of splicing ear 10 of a plurality of installation switchgears the phase place bus-bar, utilize a plurality of installation switchgears of the common connection of this phase place bus-bar, described a plurality of installation switchgears are arranged to a row adjacent to each other.
Then, connect, form each switching device output conductor separately in a usual manner by screw.Because when watching in the front of slave unit switching device, the phase place bus-bar is positioned at the back of the screws clamp connecting portion of bonding conductor 34, so when connecting bonding conductor by screw, this phase place bus-bar does not produce interference.
Fig. 4 to Fig. 6 shows third and fourth embodiment of the present invention.Be to the difference of first and second embodiment shown in Figure 3 with Fig. 1: the pressing plate 32 of pinching screw 24 directly is pressed in bonding conductor 34 on the web 17 that forms narrow side 16, terminal-framework bottom.Conductor bar 36 is integrally formed on the web 17 along the direction of access to plant inside.
With reference now to Fig. 6.Here, web 17 is to touching plane A-A ' extension and bending to U-shaped downwards and backward.Therefore, formed to outstanding arc conductor bar part 35 of the direction of touching plane A-A ' and the conductor bar alar part 39 that extends abreast in the narrow side of opposite side and this bottom of the narrow side, bottom of terminal bodies.
The web 40 of plug-in type sleeve 38 is similar to and touches plane A-A ' extension downwards abreast.Second alar part 42 of plug-in type sleeve 38 extends to first alar part 44 at a certain angle, and its free end has the part of bending up 43.As a result, insert the form that mouth 46 is plug-in type toroidal contactor.
The brace of bus 48 is inserted in the plug-in type sleeve 38, by second alar part 42 with bend up between the conductor bar alar part 39 of edge that part 43 forms and web 17.Because the spring force of second alar part 42 of plug-in type sleeve 38, described second alar part is pressed in the brace of bus 48 on the conductor bar alar part 39, has therefore produced reliable machinery and has electrically contacted.
With top corresponding to description embodiment illustrated in fig. 3 about Fig. 1, Fig. 4 can be used as sheet metal bending part with simply, mode is made cheaply to terminal bodies 12 shown in Figure 6.Then, when the jogged terminal end main body also correspondingly crooked in the planar development shape of terminal bodies 12 as the conductor bar 36 of another alar part.
Reference numerals list
10 splicing ears
12 terminal bodies
14 upper narrow sides
Narrow side, 16 bottoms
17 webs
18,19 vertical sides
20 clamping regions
22 openings
23 internal threads
24 pinching screws
25 external screw threads
The drive end of 26 pinching screws
28 grooves
The pinching end of 30 pinching screws
32 pressing plates
34 bonding conductors
35 arc conductor bar parts
36 conductor bars
The output of 37 conductor bars
38 plug-in type sleeves
39 conductor bar alar parts
The web of 40 plug-in type sleeves
The alar part of 42,44 plug-in type sleeves
43 bend up part
46 insert mouth
48 phase place bus-bars, bus
The direction of motion of 50 pinching screws
The alar part of 52,54 terminal bodies
The free end of the alar part of 53,55 terminal bodies
A-A ' touches the plane
Claims (15)
1. installation switchgear, the splicing ear (10) that it has housing and is positioned at the terminal housing region of described housing, described splicing ear comprises:
Pinching screw (24), it can touch from the front, and has drive end (26) and the pinching end (30) relative with described drive end;
Terminal bodies (12), in described terminal bodies, form clamping region (20), described clamping region can touch from adjacent leptoprosopy wall by first shell nozzle, and away from a side of pinching end (30) web (17) limited boundary by means of terminal bodies (12)
It is characterized in that,
Have the plug-in type sleeve (38) that inserts mouthful (46) and be fixed on the web (17) of terminal body (12) from the outside of clamping region (20), described insertions mouth (46) is formed between two alar parts (42,44), is used to hold the brace of bus (48).
2. installation switchgear according to claim 1,
It is characterized in that,
When the front is watched, clamping region (20) with insert mouthful (46) before and after arrange, and can touch from the leptoprosopy wall adjacent with the front.
3. installation switchgear according to claim 2,
It is characterized in that,
Clamping region (20) is arranged as follows with insertion mouthful (46), that is: when being installed in installation switchgear in the distribution box, can utilize no screws clamp technology that bus (48) is fixed in the plug-in type sleeve (38), and can utilize the screws clamp connected mode that bonding conductor (34) is fixed in the clamping region (20).
4. according to each described installation switchgear in the aforementioned claim,
It is characterized in that,
In clamping region (20), bus (48) and/or bonding conductor (34) can be pressed on the web (17) by means of pinching screw (24).
5. according to each described installation switchgear in the claim 1 to 3,
It is characterized in that,
In clamping region (20), bus (48) and/or bonding conductor (34) can be pressed on the conductor bar (36) by means of pinching screw (24).
6. installation switchgear according to claim 5,
It is characterized in that,
Conductor bar (36) is integrally formed on the web (17).
7. installation switchgear according to claim 5,
It is characterized in that,
Conductor bar is flat to be leaned against on the web (17).
8. a splicing ear (10), it is installed in the terminal housing region of installation switchgear, and described splicing ear has:
Pinching screw (24), described pinching screw have drive end (26) and the pinching end (30) relative with described drive end;
Terminal bodies (12) forms clamping region (20) in described terminal bodies, described clamping region can be by means of web (17) limited boundary of terminal bodies (12),
It is characterized in that,
Have the plug-in type sleeve (38) that inserts mouthful (46) and be fixed on the web (17) of terminal body (12) from the outside of clamping region (20), described insertions mouth (46) is formed between two alar parts (42,44), is used to hold the brace of bus (48).
9. splicing ear according to claim 8 (10),
It is characterized in that,
Clamping region (20) with insert mouthful (46) with respect to arranging before and after the direction of motion (50) of pinching screw (24), and can touch from the common plane (A-A ') of touching.
10. according to Claim 8 or 9 described splicing ears (10),
It is characterized in that,
Plug-in type sleeve (38) shape that takes the shape of the letter U, its opening is towards " installation " direction, and its alar part (42,44) extends on this direction and meet at right angles with the direction of motion (50) of pinching screw (24), and plug-in type sleeve (38) surrounds the both sides of the brace of bus (48) as a result.
11. each described splicing ear (10) in 10 according to Claim 8,
It is characterized in that,
Plug-in type sleeve (38) is for curving the flat spring of U-shaped, and its opening (46) is towards the brace of bus (48).
12. each described splicing ear (10) in 11 according to Claim 8,
It is characterized in that,
Terminal bodies (12) has rectangular frame shape approx, and described terminal bodies has:
Web (17), it forms the first narrow side (16); And
Alar part (52,54), it is in abutting connection with described web and form two vertical sides (18,19), each alar part (52,54) free end (53,55) is all to the free end (55 of corresponding another alar part (54,52), 53) approximate right angle ground is crooked, make crooked free end (53,55) overlapped, the result forms the second narrow side (14) of described framework.
13. splicing ear according to claim 12 (10),
It is characterized in that,
Conductor bar (36) is integrally formed on the web (17).
14. according to claim 12 or 13 described splicing ears (10),
It is characterized in that,
The second narrow side (14) has opening (22), and described opening has the screw thread (23) that is used to hold and guide pinching screw (24).
15. each described splicing ear (10) that is installed in the installation switchgear in 14 according to Claim 8, described installation switchgear is a line-breaker,
It is characterized in that,
Bonding conductor (34) can be clipped in the clamping region (20) that is arranged between pinching screw (24) and the web (17) regularly, and the brace of bus (48) can be clipped in the plug-in type sleeve (38) regularly, when the front of slave unit switching device was watched, the brace of bus (48) was installed in web (17) back of terminal bodies (12).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006050933.1 | 2006-10-28 | ||
DE102006050933 | 2006-10-28 | ||
DE102007041249.7 | 2007-08-30 |
Publications (1)
Publication Number | Publication Date |
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CN101170016A true CN101170016A (en) | 2008-04-30 |
Family
ID=39390597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNA2007101637445A Pending CN101170016A (en) | 2006-10-28 | 2007-10-26 | Installation switching device and terminal clamp therefor |
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CN (1) | CN101170016A (en) |
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CN102956409A (en) * | 2011-08-16 | 2013-03-06 | 西门子公司 | Attachment clamp and protective switch device |
CN103681019A (en) * | 2012-09-14 | 2014-03-26 | 松下电器产业株式会社 | Terminal device |
CN103944124A (en) * | 2014-04-29 | 2014-07-23 | 波瑞电气有限公司 | Rapid and safe bus connecting assembly |
CN106098476A (en) * | 2015-04-28 | 2016-11-09 | Abb 技术有限公司 | Couple adapter |
CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
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CN111952737A (en) * | 2020-06-30 | 2020-11-17 | 安徽佰尧电子科技有限公司 | Electric automobile motor terminal connection structure |
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2007
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CN102956409A (en) * | 2011-08-16 | 2013-03-06 | 西门子公司 | Attachment clamp and protective switch device |
CN102544828A (en) * | 2012-02-08 | 2012-07-04 | 上海航天科工电器研究院有限公司 | Anti-extrusion connector wiring terminal |
CN103681019A (en) * | 2012-09-14 | 2014-03-26 | 松下电器产业株式会社 | Terminal device |
CN103681019B (en) * | 2012-09-14 | 2016-01-13 | 松下电器产业株式会社 | Arrangements of terminal |
CN103944124A (en) * | 2014-04-29 | 2014-07-23 | 波瑞电气有限公司 | Rapid and safe bus connecting assembly |
CN106098476A (en) * | 2015-04-28 | 2016-11-09 | Abb 技术有限公司 | Couple adapter |
CN106098476B (en) * | 2015-04-28 | 2020-03-10 | Abb瑞士股份有限公司 | Coupling adapter |
CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
CN108037479B (en) * | 2017-12-21 | 2023-11-21 | 国网山东省电力公司济南供电公司 | Novel intelligent test junction box |
CN110176377A (en) * | 2019-04-18 | 2019-08-27 | 翁清勇 | A kind of leakage circuit breakers convenient for assembly |
CN110176377B (en) * | 2019-04-18 | 2020-12-01 | 浙江中奥电气有限公司 | Electric leakage circuit breaker convenient to assembly |
CN111952737A (en) * | 2020-06-30 | 2020-11-17 | 安徽佰尧电子科技有限公司 | Electric automobile motor terminal connection structure |
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Open date: 20080430 |