CN102347161A - Switching device with rocker arm, especially protection switch - Google Patents
Switching device with rocker arm, especially protection switch Download PDFInfo
- Publication number
- CN102347161A CN102347161A CN2011102156468A CN201110215646A CN102347161A CN 102347161 A CN102347161 A CN 102347161A CN 2011102156468 A CN2011102156468 A CN 2011102156468A CN 201110215646 A CN201110215646 A CN 201110215646A CN 102347161 A CN102347161 A CN 102347161A
- Authority
- CN
- China
- Prior art keywords
- spring
- switchgear
- handle
- supporting neck
- rocking bar
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/521—Details concerning the lever handle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/04—Levers
- H01H3/06—Means for securing to shaft of driving mechanism
Abstract
The invention relates to a switching device (1), especially a protection switch. The latch mechanism (18) of the protection switch is manually actuated via a rocker arm (7) arranged on a housing. The rocker arm (7) is resettable into its rest position by a spring element (10) during the actuation of the latch mechanism (18). The invention is characterized in that the spring element is formed as a leg spring and is mounted in the interior (9a) of a handle pivot pin (9).
Description
Technical field
The present invention relates to a kind of switchgear, particularly protection switch, its latching device can carry out manual control through the rocking bar that is bearing on the housing, and said rocking bar can be by spring reset in its resting position when handling said latching device.
Background technology
Make switchgear enter into its position of function through operating element or executive component, in other words, switchgear is switched on or breaks off.Usually the energy accumulator through connecting tensioning machinery, preferably torsionspring or disc spring, and when triggering, make executive component be able to reset through discharging the spring energy of being stored through magnetic trigger or through heat trigger.Through to functional unit, promptly switch handle and regulate, visually regulate for the operator demonstrates to switch.
In a kind of known design scheme, helical spring is used to make functional unit to reset, and this helical spring utilization end inner, bending is inserted on the movably parts with groove.Being bearing on the inside leg of spring realizes in groove through wedging, and comes tensioning through the rotation outer legs.After this, outer legs comes kayser to live through hanging in the dimple that for this reason is provided with.
In other switchgear, torsionspring is applied in usually when rotation drives functional unit is resetted.At first installing will be through the parts of torsionspring driving, and the torsionspring of after this and then so packing into makes spring body and spring leg join in the dimple that for this reason is provided with.Second leg is installed through tensioning, location and suspension.
Set out by prior art; Learn a kind of switching device by EP 1 401 005 A2 with rotary switch handle; Said rotary switch handle is used to handle the latching device of electric switching system; This switching device has and is installed in latching device in the latching device housing, that have spring; This spring loads the rotary switch handle along the direction that resets; Wherein the rotary switch handle can rotate on the supporting neck that forms on the housing wall of latching device housing, and utilizes the eccentric hole that is provided with to admit the manipulation bolt of latching device.Supporting neck is outstanding towards the front perpendicular to the stationary plane of switchgear with the manipulation bolt.This spring is designed to helical spring; Short-leg is being set on the one end thereof and on its another end, long leg is being set, wherein short-leg is radially outstanding, and opposite long leg is tangentially erect; And wherein long leg has crank elbow (Abkr pfung) in other words, forms step through this crank.Stipulate in addition: handle has recess, and the spring body of spring at first can utilize short-leg to insert in this recess, and wherein short-leg is fitted in the axially extended radial slot.On handle, form vertically outstanding lath, after packing into and rotating long leg, its crank flexibly clings on the lath, thereby spring is fixed in the recess.
EP 0 646 280 B1 have described a kind of switch block, and this switch block particularly utilizes the switching handle to come work, and resetting of this switching handle realizes that through torsionspring this torsionspring is contained in the accommodation chamber of switch block.Spring utilizes spring end to be bearing on the body of switch block on the one hand, and when switch block is moved, utilizes spring end to be bearing on the body of switch block base on the other hand or be bearing on the body of housing of ccontaining switch block.The outer cover that accommodation chamber through the outer cover of parts body, particularly switches handle defines; It is formed for when displacement, being bearing in the suspension crack portion of the spring end on the switch block in the following manner; That is, support edge begins to make a concession ground (fliehend) or design obliquely upwards and downwards from middle position.Below bearing, form recessed suspension groove (Einh ngetasche) and be used for said torsionspring.Suspension crack portion side thereon is in and is determined the suspension groove that forms one of another spring end that is used for rotating spring after the portion's section that is used for the tensioning torsionspring.
Shortcoming in the prior art is: for installing component, particularly handle and spring and for the inswept zone bigger space requirement being arranged when moving connecting motion/disconnection.
Summary of the invention
Therefore; The objective of the invention is to: realize a kind of switchgear, particularly protection switch; Its latching device can carry out manual control through the rocking bar that is bearing on the housing, and said rocking bar has stable and make effective handle supporting structure of power and compactness.
The switchgear of the characteristic of said purpose through having claim 1 is realized.Advantageous embodiment and improvement project are the themes of dependent claims, and this embodiment and improvement project can be used individually or with the mode of combination with one another.
According to the present invention; Said purpose realizes through a kind of switchgear, particularly protection switch; Its latching device can carry out manual control through the rocking bar that is bearing on the housing, said rocking bar when handling said latching device by spring reset in its resting position or can be in its resting position by spring reset.The invention is characterized in: said spring is designed to helix torsion spring and is bearing in the inside of handle supporting neck.Helix torsion spring, particularly rotary handle returned lead the supporting of spring (Drehgriffr ü ckholfeder) in the inside of handle supporting neck and can realize compact make.Helix torsion spring according to the present invention has less external diameter and bigger spring length through its supporting in the handle supporting neck.Can realize following possibility through make thus according to compactness of the present invention; In the left side or the right side hang a kind of driving shelf (Antriebsb ü gel) or alternatively use simultaneously a shelf respectively by handle in both sides.This has caused: exerting all one's strength to be transmitted to better drives in the shelf and the more design flexible scheme of erection sequence.
Because it is according to the less space of spring needs of the present invention, so less through connecting motion or breaking off the inswept space of motion.Through using unbending relatively supporting neck, at first when thermoplasticity housing material expands or vibrates, reduced the loss of travel that is used for switching mechanism.Can exert all one's strength according to version of the present invention and to be transmitted in the device housings best.This has caused the less bearing load of power ingress area, and especially this point is favourable in thermoplastic structure.In addition, the formation of spring end can help not looking property ground (blind) this spring end is installed.Can simplify installation through using more the spring of rigidity equally.
In a kind of particularly advantageous design, stipulate: said spring forms on the length of said handle supporting neck.Have less external diameter according to spring of the present invention owing to its supporting in the handle supporting neck, and have and the spring length of comparing big for similar application, traditional spring.Said big spring length helps Stability Analysis of Structures and best power transmission.
Another advantage is: said spring has two styletables, and wherein said styletable is provided with for arbitrarily angled with each, preferred about 90 ° each other.Particularly can also realize making styletable and coil spring parallel axes ground orientation.This parallel orientation can realize the execution mode that practice thrift the position.Preferred at this, said styletable has equal length, wherein can also have different length.This styletable can make the spring pretension.
Stipulate according to the present invention in addition: said styletable can constitute with transformable mode aspect its length, and the execution mode that wherein has equal length is particularly preferred, and therefore this execution mode is easy-to-install especially.
When following situation, be favourable in structure aspects: said handle supporting neck has protuberance, and a styletable abuts on the said protuberance after helix torsion spring is installed.This protuberance equally can the said torsionspring of pretension.
In a kind of particularly advantageous execution mode, stipulate: in the inside of said handle supporting neck, dimple is set, the styletable of said helix torsion spring can be inserted in the said dimple.This dimple can be with the said spring of protuberance pretension on being arranged on the handle supporting neck.
Characteristic according to switchgear of the present invention is compact make; In this switchgear, back-moving spring is positioned in the supporting neck; The make of this compactness has realized this possibility; Promptly; Driving shelf (Antriebsb ü gel) is perhaps alternatively hung on the handle in both sides in the left side or on the right side, thereby improved to driving the power conduction in the shelf and can realizing erection sequence more flexibly.The characteristic of spring itself be less space requirement and when connecting motion and breaking off motion little inswept zone.In addition, this spring constitutes more rigidly, makes equally thus to install easily.
Description of drawings
Set forth other advantage of the present invention and embodiment by embodiment and by accompanying drawing below.Wherein schematically shown:
Fig. 1 a shows the housing parts of switchgear of the prior art, particularly protection switch with perspective view;
But Fig. 1 b shows the rocking bar of the manual control of switchgear of the prior art with perspective view;
Fig. 1 c shows spring of the prior art with perspective view, and this spring can be inserted into the supporting neck of the rocking bar that is used for Fig. 1 b;
Fig. 1 d shows the part of the assembly structure of being made up of housing parts, rocking bar and spring in the prior art with perspective view;
Fig. 2 shows according to switchgear of the present invention, particularly protection switch with perspective view;
Fig. 3 shows the part of first housing parts with perspective view;
Fig. 4 shows the part of second housing parts with perspective view;
But Fig. 5 shows the rocking bar of manual control with perspective view;
Fig. 6 has illustrated the rocking bar according to Fig. 5 with profile;
Fig. 7 shows according to spring element of the present invention with perspective view;
Fig. 8 shows the driving shelf with perspective view;
Fig. 9 shows the part of being made up of second housing parts, rocking bar, spring and driving shelf according to the project organization of switchgear of the present invention with perspective view;
Figure 10 shows the part Fig. 9 with perspective view from the side-looking angle;
Figure 11 shows the part of the project organization of the switchgear of being made up of first housing parts, rocking bar, spring and driving shelf with perspective view;
Figure 12 shows the part Figure 11 with perspective view from the side-looking angle.
Embodiment
Fig. 1 a shows the housing parts 100 of switchgear of the prior art, particularly protection switch.Housing parts 100 has the supporting neck 101 that the mode with cylindricality forms, but this supporting neck is designed to support the rocking bar 102 in the manual control shown in Fig. 1 b of switchgear.Matrix 103 and gripping member 104 that rocking bar 102 mode with cylindricality that consists essentially of forms.In the matrix 103 that the mode with cylindricality forms, in be formed centrally the hollow chamber of cylindricality, this hollow chamber is set for admits said supporting neck 101.
In Fig. 1 c, illustrated by the known spring 105 of prior art, this spring can be installed on the supporting neck 101 among Fig. 1 a.The assembly structure that case lid 106, rocking bar 102 and spring 105 are formed has been shown in Fig. 1 d, and its medi-spring 105 is arranged on the supporting neck 101 at this.
Fig. 2 illustrates a kind of switchgear 1, particularly protection switch.Switchgear 1 is made up of two housing parts that are engaged with each other 2,3.In addition, on switchgear 1, be provided with control member 4, can trigger a kind of switching function through this control member.Figure 3 illustrates first housing parts 2, in this first housing parts, be provided with one preferably with the mode of cylindricality dimple 5 that form, blind-hole type.It is one preferred with the mode of cylindricality dimple 6 that form, blind-hole type that second housing parts 3 shown in Figure 4 has equally, yet this dimple is compared with the dimple 5 of housing parts 2 and had less diameter.
But Fig. 5 shows the rocking bar 7 of the manual control of switchgear 1.Matrix 8 that rocking bar 7 mode with cylindricality that consists essentially of forms and the control member 4 that is designed to handle.In the matrix 8 that the mode with cylindricality forms, in be formed centrally the handle supporting neck 9 of preferred cylindricality, in this handle supporting neck, can in inner 9a, insert spring 10.Handle supporting neck 9 has preferably hemiconcentric (halbkonzentrisch) protuberance 11.In the profile of rocking bar 7 shown in Figure 6 handle supporting neck 9 has been shown, this handle supporting neck preferably has hemiconcentric protuberance 11 and in inner 9a, has dimple 19 in the outside.
Shown in Figure 7 according to spring element of the present invention 10, preferably have the helix torsion spring of two styletables 12,13, said two styletables are preferred to be provided with about 90 ° angle each other.Spring element 10 preferably forms on the length of handle supporting neck 9, and has with the diameter of handle supporting neck 9 compares less diameter.
Fig. 8 shows and drives shelf 14, and this driving shelf preferably forms with the mode of U-shaped and has two side legs 15,16, and said two side legs are connected to each other through join domain 17.Driving shelf 14 is regulated by the switching of control member 4 or the position of the switch is delivered on the latching device 18.Learnt by Fig. 9: the styletable 12 of spring element 10 is arranged on the preferred hemiconcentric protuberance 11 of handle supporting neck 9 with the mode that reclines.In addition, learn that the side leg 15,16 that drives shelf 14 is bearing in the admittance opening that for this reason is provided with of control member 4 or latching device 18 by Figure 10.
Figure 11 shows the project organization according to switchgear of the present invention, and this switchgear has first housing parts 2, rocking bar 7 and another drives shelf 14.Figure 12 illustrates: how the side leg 15,16 that drives shelf 14 is bearing in the admittance opening that for this reason is provided with of control member 4 or latching device 18.
Characteristic according to switchgear of the present invention is compact make; In this switchgear, back-moving spring is positioned in the supporting neck; This make has realized this possibility; Promptly; The driving shelf is perhaps alternatively hung on the handle in both sides in the left side or on the right side, thereby improved to driving the power conduction in the shelf and can realizing erection sequence more flexibly.The characteristic of spring itself be less space requirement and when connecting motion and breaking off motion little inswept zone.In addition, this spring constitutes more rigidly, makes equally thus to install easily.
Claims (6)
1. a switchgear (1), particularly protection switch; Its latching device (18) can carry out manual control through the rocking bar (7) that is bearing on the housing; Said rocking bar can be reset in its resting position by spring element (10) when handling said latching device (18); It is characterized in that said spring element (10) is designed to helix torsion spring and is bearing in the inside (9a) of handle supporting neck (9).
2. switchgear according to claim 1 (1) is characterized in that, said spring element (10) forms on the length of said handle supporting neck (9).
3. switchgear according to claim 1 and 2 (1) is characterized in that, said spring element (10) has two styletables (12,13).
4. switchgear according to claim 3 (1) is characterized in that, said styletable (12,13) has identical length.
5. according to each described switchgear (1) in the aforementioned claim, it is characterized in that said handle supporting neck (9) has protuberance (11), a post (13) abuts on the said protuberance after helix torsion spring is installed.
6. according to each described switchgear (1) in the aforementioned claim, it is characterized in that dimple (19) is set, and the styletable of said helix torsion spring (12) can be inserted in the said dimple in the inside of said handle supporting neck (9) (9a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010032828.6A DE102010032828B4 (en) | 2010-07-30 | 2010-07-30 | Switching device, in particular circuit breaker with toggle lever |
| DE102010032828.6 | 2010-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102347161A true CN102347161A (en) | 2012-02-08 |
| CN102347161B CN102347161B (en) | 2016-08-03 |
Family
ID=45470917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110215646.8A Active CN102347161B (en) | 2010-07-30 | 2011-07-29 | There is the switchgear of rocking bar, particularly protect switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102347161B (en) |
| DE (1) | DE102010032828B4 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07130274A (en) * | 1993-10-29 | 1995-05-19 | Toshiba Lighting & Technol Corp | Circuit breaker |
| CN1108000A (en) * | 1994-02-10 | 1995-09-06 | 松下电工株式会社 | A circuit breaker |
| US20080290971A1 (en) * | 2007-05-23 | 2008-11-27 | Abb Ag | Electrical service switching device |
| CN101677049A (en) * | 2008-09-19 | 2010-03-24 | 郑春开 | Improved circuit breaker |
| CN102280320A (en) * | 2011-06-07 | 2011-12-14 | 浙江科都电气制造有限公司 | Operating mechanism of leakage circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL171598B1 (en) | 1992-06-15 | 1997-05-30 | Siemens Ag | Switching element and method of mounting a torsional spring in fixing space of such switching element |
| DE20214578U1 (en) | 2002-09-20 | 2003-03-06 | Abb Patent Gmbh | Switching device for an electrical switching device |
| JP2004362979A (en) * | 2003-06-05 | 2004-12-24 | Matsushita Electric Works Ltd | Switching arrangement |
| JP2008112671A (en) * | 2006-10-31 | 2008-05-15 | Omron Corp | Switch |
-
2010
- 2010-07-30 DE DE102010032828.6A patent/DE102010032828B4/en active Active
-
2011
- 2011-07-29 CN CN201110215646.8A patent/CN102347161B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07130274A (en) * | 1993-10-29 | 1995-05-19 | Toshiba Lighting & Technol Corp | Circuit breaker |
| CN1108000A (en) * | 1994-02-10 | 1995-09-06 | 松下电工株式会社 | A circuit breaker |
| US20080290971A1 (en) * | 2007-05-23 | 2008-11-27 | Abb Ag | Electrical service switching device |
| CN101677049A (en) * | 2008-09-19 | 2010-03-24 | 郑春开 | Improved circuit breaker |
| CN102280320A (en) * | 2011-06-07 | 2011-12-14 | 浙江科都电气制造有限公司 | Operating mechanism of leakage circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102347161B (en) | 2016-08-03 |
| DE102010032828B4 (en) | 2021-12-02 |
| DE102010032828A1 (en) | 2012-02-02 |
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