CN1324628C - Hand locking device of loop breaker - Google Patents
Hand locking device of loop breaker Download PDFInfo
- Publication number
- CN1324628C CN1324628C CNB2004100882874A CN200410088287A CN1324628C CN 1324628 C CN1324628 C CN 1324628C CN B2004100882874 A CNB2004100882874 A CN B2004100882874A CN 200410088287 A CN200410088287 A CN 200410088287A CN 1324628 C CN1324628 C CN 1324628C
- Authority
- CN
- China
- Prior art keywords
- locking device
- stop pin
- handle cover
- circuit breaker
- hand locking
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Breakers (AREA)
Abstract
The handle lock device comprises a handle cap 4 which is engaged with an operating handle 2 and a lock pin 5 which is formed in nearly U shape and is made of a spring wire rod having nearly U shape, and of which central part 5b is locked into the handle cap 4 and the end part 5a is locked into a locking hole 1b provided at the aperture 1a in the state of being inserted and held in the handle cap 4. The handle cap 4 has a sliding groove 4a in which the central part 5b of the lock pin 5 slides when it is engaged with the operating handle 2 and an engaging groove 4c with which the central part 5b of the lock pin 5 is engaged when it has been engaged with the operating handle 2. This invention can obtain a handle lock device of a circuit breaker which is excellent in installation performance and can hold an operating handle steadily in each ON position and OFF position.
Description
Technical field
The present invention relates to be used for the operating grip of circuit breaker is remained on each position of ON or OFF, forbid the hand locking device of careless operation.
Background technology
Device in the past is provided with groove on the operating grip limit, the hand locking device intercalation that will be made of the spring wire that roughly is the ひ shape is in this groove, remain on the operating grip with circuit breaker on each position of ON or OFF (such as, with reference to patent documentation 1: Japan Patent is real opens clear 61-107130 communique).
In addition, also have a kind of by the structure that forms with the handle cover of hand locking device intercalation in operating grip, with the pin of handle cover split (such as, with reference to patent documentation 2: Japanese patent laid-open 10-241541 communique).
Traditional hand locking device, the occasion that is made of the spring wire that roughly is ひ shape is because of the shape instability of spring wire, so there is the shortcoming that is difficult to reliably operating grip be remained on ON position or OFF position.
In addition, occasion in stop pin and handle cover split formation, because handle cover is intercalated in the operation of operating grip and will operates shank of the key with stop pin and be undertaken by different operations with the operation that handle cover is made of one, thereby the problem that also exists loaded down with trivial details and handle cover of operation or stop pin to lose easily.
The present invention is in order to address the above problem, and its purpose is, provides a kind of installation property good and can reliably operating grip be remained on the hand locking device of the circuit breaker of ON position or OFF position.
Content of the present invention
The hand locking device of circuit breaker of the present invention is, will be limited in ON position or OFF position towards the outstanding operating grip of the peristome of circuit breaker, it is characterized in that, comprising: by the handle cover that is flush-mounted in described operating grip; Constitute, remain under the state of described handle cover in insertion by the spring wire that is the ひ shape, central portion and described handle cover card ends, the stop pin that ends is blocked with the stop hole that is provided in described peristome in the end, described handle cover has: the sliding tray that the central portion of the described stop pin of confession slides therein when being flush-mounted in described operating grip; The slot that the stage after being flush-mounted in described operating grip and the central portion of described stop pin fasten.
The hand locking device of the circuit breaker of invention because handle cover and stop pin become one, so the installation of hand locking device is good, can remain on operating grip ON position or OFF position as mentioned above reliably.
The simple declaration of accompanying drawing
Fig. 1 is expression with pack into stereogram before the circuit breaker of the hand locking device of example 1 of the present invention.
Fig. 2 is the stereogram of assembling situation of the hand locking device of presentation graphs 1.
Fig. 3 is the stereogram of expression when packing the hand locking device of example 1 of the present invention into circuit breaker.
Fig. 4 is the front view of expression when packing the handle cover of the hand locking device of example 1 of the present invention into circuit breaker.
Fig. 5 is the enlarged front view of the major part of expression when by stop pin the hand locking device shown in the example 1 of the present invention being locked.
Fig. 6 is the G-G cross section and the H portion enlarged drawing of this moment of presentation graphs 5.
Fig. 7 is the stereogram of expression when the hand locking device of example 1 of the present invention locked.
Fig. 8 is the stereogram of expression with the hand locking device of the circuit breaker of example 2 of the present invention.
Fig. 9 is the stereogram of expression with the hand locking device of the circuit breaker of example 3 of the present invention.
Embodiment
Fig. 1 is the hand locking device of example 1 packed in order to implement the present invention a stereogram before the circuit breaker of expression, and Fig. 2 is the stereogram of assembling situation of the hand locking device of presentation graphs 1.
Among the figure, the hand locking device 3 of circuit breaker 1 is made of handle cover 4 and stop pin 5 one, be provided with at the peristome 1a of circuit breaker 1 and be used for the end 5a such as the stop pin 5 that is made of spring wires such as stainless steel steel wires is blocked the stop hole 1b that ends, from the outstanding operating grip 2 of peristome 1a, be equipped with U font groove 2a coaxially with stop hole 1b so that the end 5a of stop pin 5 in the ON position or the OFF position easily be intercalated in stop hole 1b.
In addition, handle cover 4 comprises such as being made of PBT Hot moldable resin molded parts such as (polybutene terephthalates): be used to sliding tray 4a that stop pin 5 is slided in handle cover 4 swimmingly in the time of on being installed in operating grip 2; Be intercalated in the mounting groove 4b of operating grip 2; Be intercalated in the slot 4c that operating grip 2 back stop pins 5 engage at mounting groove 4b; Reliably handle cover 4 is locked the protuberance 4d of usefulness by stop pin 5; And the insertion mouth stop pin insertion section 4e when stop pin 5 is intercalated in handle cover 4.
In addition, stop pin 5 forms roughly ひ font, end 5a, the central portion 5b that slides in the sliding tray 4a of handle cover 4 that is engaged with stop hole 1b by two ends, blocks the fastener 5c that ends with the protuberance of the handle cover 4 that forms form on the limit of this central portion 5b.
Assemble method to the hand locking device 3 of above formation describes below.The size of the stop pin insertion section 4e of handle cover 4 forms greatlyyer than the size of the stop pin peristome 5d of stop pin 5, and end 5a is moved towards the arrow A direction under the state of opening, and inserts in the handle cover 4.Therefore,, just be difficult for coming off, can prevent the loss of stop pin 5 from handle cover 4 in case insert.
Fig. 3 is the stereogram of expression when packing the hand locking device of example 1 of the present invention into circuit breaker, Fig. 4 is the front view of expression when packing the handle cover of the hand locking device of example 1 of the present invention into circuit breaker, and Fig. 5 is the enlarged front view of the major part of expression when by stop pin the hand locking device shown in the example 1 of the present invention being locked.Fig. 6 is the G-G cross section and the H portion enlarged drawing of this moment of presentation graphs 5.
Utilize Fig. 3 to Fig. 6 that the method that hand locking device 3 is installed on the operating grip 2 is described below.
(1) the end 5a to the stop pin 5 of hand locking device 3 carries out clamping, along the U word groove 2a of operating grip 2, utilizes elasticity to insert the stop hole 1b (shown in the arrow B of Fig. 3) of circuit breaker 1.
(2) hand locking device 3 is rotated towards arrow C direction (shown in Figure 4) after, mounting groove 4b is intercalated in operating grip 2 (shown in the arrow D).At this moment, the central portion 5b of stop pin 5 slides towards the arrow E direction in the sliding tray 4a of handle cover 4.
(3) in case the central portion 5b of stop pin 5 is rotated and engages with slot 4c towards arrow F direction (shown in Figure 5), then cross protuberance 4d behind the protuberance 4d butt of fastener 5c by making stop pin 5 and handle cover 4 and topple over, hand locking device 3 remains on the circuit breaker 1.
As shown in Figure 6, size (a) between one side's of stop pin 5 fastener 5c and the opposing party's the fastener 5c forms narrowlyer slightly than the size (b) between handle cover 4d and the opposing party's the protuberance 4d, by making fastener 5c cross protuberance 4d, handle cover 4 remains under the state of operating grip on ON position or the OFF position reliably being intercalated in.
Under this state, as shown in Figure 7, lock after passing the lockhole 4f that is arranged on the hand locking device 3 as the hook portion 6a with spring lock 6, then as long as operating grip 2, the spring lock 6 do not dismantled by hand locking device 3 just can lock fully, related personnel people in addition can not operating breaker.
In the occasion that does not need spring lock 6, undoubtedly, only just can enough bring into play function by hand locking device 3.
Example 2
Fig. 8 is the stereogram of expression with the hand locking device of the circuit breaker of example 2 of the present invention.
Among the figure, the mounting groove 4b with handle cover 4 does forr a short time than the overall dimension of operating grip 2 in advance, carries out setting-in by the handle cover 4 with pressing structure, can not easily operate operating grip 2, and can warn this to the user is usual inactive circuit breaker.Especially, it is more effective in advance the color of handle cover 4 to be made showy color relation such as redness.
Example 3
Fig. 9 is the stereogram of expression with the hand locking device of the circuit breaker of example 3 of the present invention.
For the occasion of stop pin 5 being inserted stop hole 1b, as previously mentioned, but present embodiment does not use handle cover, in the occasion that only forms hand locking device by stop pin 5, stop hole 1b and U font groove 2a be in coaxial on, the end 5a of stop pin 5 engages with stop hole 1b and U font groove 2a, even operating grip 2 is operated, also be fixed in stop hole 1b because of the end 5a that is on the U font groove 2a, put operating grip 2 and can remain in ON position or OFF position, the hand locking device of low price can be provided.
Claims (5)
1. the hand locking device of a circuit breaker will be limited in ON position or OFF position towards the outstanding operating grip of the peristome of circuit breaker, it is characterized in that, comprise:
Be flush-mounted in the handle cover of described operating grip;
Stop pin, it is made of the spring wire that is ひ shape, remains under the state of described handle cover in insertion, central portion and described handle cover card end, and the end is blocked with the stop hole that is provided in described peristome and is ended,
Described handle cover has: the sliding tray that slides therein for the central portion of described stop pin when being flush-mounted in described operating grip; The slot that stage after being flush-mounted in described operating grip engages with the central portion of described stop pin.
2. the hand locking device of circuit breaker as claimed in claim 1, it is characterized in that, near the central portion of described stop pin, fastener is set, and the central portion that is provided with described stop pin on described handle cover is when engaging with described slot and described fastener butt and protuberance that described stop pin is kept.
3. the hand locking device of circuit breaker as claimed in claim 1 or 2 is characterized in that, the insertion mouth size that the described stop pin of the confession of described handle cover inserts is done greatlyyer than the opening size of described stop pin.
4. the hand locking device of circuit breaker as claimed in claim 1 or 2 is characterized in that, is provided with lockhole on described handle cover.
5. the hand locking device of a circuit breaker will be limited in ON position or OFF position towards the outstanding operating grip of the peristome of circuit breaker, it is characterized in that,
Be provided with stop hole at described peristome, and on described operating grip, U font groove be set coaxially with described stop hole,
Described stop hole is inserted in the end of the stop pin that will be made of the spring wire that is the ひ shape, and this end is engaged with described U font groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004077863 | 2004-03-18 | ||
| JP2004077863A JP4083132B2 (en) | 2004-03-18 | 2004-03-18 | Circuit breaker handle lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1670882A CN1670882A (en) | 2005-09-21 |
| CN1324628C true CN1324628C (en) | 2007-07-04 |
Family
ID=35042067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100882874A Expired - Fee Related CN1324628C (en) | 2004-03-18 | 2004-10-21 | Hand locking device of loop breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4083132B2 (en) |
| CN (1) | CN1324628C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5006638B2 (en) * | 2006-12-22 | 2012-08-22 | Ｉｄｅｃ株式会社 | Circuit breaker handle lock device and handle lock system |
| JP5162336B2 (en) * | 2008-06-04 | 2013-03-13 | Ｉｄｅｃ株式会社 | Handle lock device and handle lock system |
| DE102009017059B3 (en) * | 2009-04-09 | 2010-07-08 | Siemens Aktiengesellschaft | Arrangement for blocking an actuating element of an electrical installation device and electrical installation device |
| WO2012092756A1 (en) * | 2011-01-07 | 2012-07-12 | Abb Lv Installation Materials Co. Ltd., Beijing | Locking device and switch with locking device |
| CN103280349B (en) * | 2013-05-07 | 2015-05-06 | 德力西电气有限公司 | Handle operation mechanism with self-locking device used on isolation switch |
| JP6800093B2 (en) * | 2017-06-13 | 2020-12-16 | 三菱電機株式会社 | Circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0927262A (en) * | 1995-07-13 | 1997-01-28 | Fuji Electric Co Ltd | Operating handle device of circuit breaker |
| JPH09237561A (en) * | 1996-02-28 | 1997-09-09 | Fuji Electric Co Ltd | Circuit breaker |
| CN1296280A (en) * | 1999-11-10 | 2001-05-23 | 三菱电机株式会社 | Locking device for handle of circuit breaker |
-
2004
- 2004-03-18 JP JP2004077863A patent/JP4083132B2/en not_active Expired - Fee Related
- 2004-10-21 CN CNB2004100882874A patent/CN1324628C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0927262A (en) * | 1995-07-13 | 1997-01-28 | Fuji Electric Co Ltd | Operating handle device of circuit breaker |
| JPH09237561A (en) * | 1996-02-28 | 1997-09-09 | Fuji Electric Co Ltd | Circuit breaker |
| CN1296280A (en) * | 1999-11-10 | 2001-05-23 | 三菱电机株式会社 | Locking device for handle of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1670882A (en) | 2005-09-21 |
| JP4083132B2 (en) | 2008-04-30 |
| JP2005268012A (en) | 2005-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |