CN1296280A - Locking device for handle of circuit breaker - Google Patents
Locking device for handle of circuit breaker Download PDFInfo
- Publication number
- CN1296280A CN1296280A CN 00106479 CN00106479A CN1296280A CN 1296280 A CN1296280 A CN 1296280A CN 00106479 CN00106479 CN 00106479 CN 00106479 A CN00106479 A CN 00106479A CN 1296280 A CN1296280 A CN 1296280A
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- CN
- China
- Prior art keywords
- handle
- locking device
- circuit breaker
- mold pressing
- 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.)
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Abstract
This invention provide a handle lock device for circuit breaker for restraining an operating handle at an on or off position. This device has a simple structure, enables it to be held tightly by the operation handle and makes position of the handle confirmable from appearance as well. Such apparatus comprises: the opening part 1a of the circuit breaker case 1 and confined in the lock part 33 of the operating handle 20; a peg part 34, inserted in the handle hole 22a provided on the handle part 22; a molded base31 and a molded cover 32, clamping the handle part 22 from both sides; and a connecting part, connecting the molded base 31 to the molded cover 32; in which the molded base 31 and the molded cover 32 are mono-lithically formed with the fix maintaining mechanism 31c, 36 of the handle part 22 in clamping state, to hold the handle lock device 30 on the handle part 22 of the operating handle 20. Further, it is possible to confirm an illustration mark 6 representing the state of on- or off-position on the operating handle.
Description
The present invention relates to a kind of circuit breaker handle locking device, described hand locking device can be limited to the operating grip of circuit breaker closure (ON) or disconnect the position of (OFF).
Fig. 9 and Figure 10 one are disclosed in the hand locking device of the circuit breaker in the past on the Japanese patent laid-open 10-241541 communique for example.Figure 9 shows that the stereogram that hand locking device is installed on the state of circuit breaker before getting on, Figure 10 shows that the stereogram of the state after being installed on hand locking device on the circuit breaker.
Operating grip 2 is installed on the Shell of circuit breaker 1, and this operating grip 2 constitutes by the pedestal part 2a that is positioned at Shell of circuit breaker 1 with by the outstanding handle portion 2b of Shell of circuit breaker peristome 1a.By operating grip 2 being shaken between ON (closure) position and OFF (disconnection) position, can make the state that the major loop (not shown) in the Shell of circuit breaker 11 is in closure or opens circuit that is assembled in.
Locking cover 3 comprises cover section 3a and sticking department 3b.After operating grip 2 being shaken between ON position and OFF position, make described locking cover chimeric, make cover section 3a be positioned at the position of handle portion 2b by this, make sticking department 3b be positioned at the position of peristome 1a.At this moment, operating grip 2 can't shake operation and be fixed in the position of ON or OFF.
Have, locking cover 3 is provided with pin hole 3c and mortise lock hole 3d again.After pin 4 inserts the through hole 2c of handle portion 2 by pin hole 3c, the 5a of hook portion of padlock 5 can be inserted mortise lock hole 3d, lock, at this moment, can not extract because of pin 4 is hampered by padlock 5, so, locking cover 3 can not be unloaded easily.Among the figure, 6 is the state representation mark, mint-mark or be printed in the surface of matrix part 2a, and this mark, is then represented with O in the OFF position as then representing with I in the ON position for the ON position of expression operating grip 2 and the mark of OFF position.
The structure of hand locking device in the past is the gabarit that cover section 3a is covered chimeric handle portion 2b as mentioned above, by the insertion of pin 4, locking cover 3 is fixed on the operating grip 2.But have error between the telescoping part size of the contour dimension of handle portion 2b and cover section 3a, the problem of its existence is locking cover 3 tightly can't be fixed on the operating grip 2.
In addition, when locking cover 3 is installed, owing to be shown in operating grip 2 matrix part 2a surfaces, be used to represent that 6 locked 3b of state representation mark of ON, OFF position hide, so the problem of its existence is: can't confirm in appearance whether operating grip 2 is in ON, OFF position from closing device.
The present invention addresses the above problem and does, the objective of the invention is to: the hand locking device that a kind of circuit breaker is provided, when described device can be fixed in locking cover on the operating grip by simple structure tightly, can confirm operating grip 2 residing ON, OFF position from described closing device outward appearance.
(1) the relevant hand locking device of the present invention is a kind of hand locking device of circuit breaker, described hand locking device is to be installed on the handle portion of described operating grip, and the operating grip that described operating grip is used for protruding in the circuit breaker peristome is limited to ON position or OFF position.It is characterized in that, described hand locking device includes: be positioned at described peristome, be used to limit the aforesaid operations handle sticking department and, be sticked in aforementioned handle portion, aforementioned hand locking device is positioned the holding section of aforementioned handle portion desired location, be used for fixedly holding components on the aforementioned handle portion is fixed, is held in to aforementioned hand locking device; The hand locking device system of described circuit breaker makes whole formation with above-mentioned handle portion, above-mentioned holding section and said fixing holding components and forms.
(2) again, in (1), holding section system is convexly set on the face with the above-mentioned handle portion butt of hand locking device, so that in its handle hole that is intercalated on the handle portion to be worn.
(3) again, in (1), fixedly holding components system is by being arranged at the fixedly supporting hole on the mold pressing base and being arranged at the fixedly support protuberance that mold pressing covers and forming, above-mentioned mold pressing base and mold pressing lid is connected by connecting portion, when placing sticking department in the peristome, makes after the holding section is sticked on the handle, by the described connecting portion of bending, make described fixedly support protuberance embed, place in the described fixedly supporting hole, by this, the holding section is fixed in the above-mentioned handle portion.
(4) again, in (3), fixing support protuberance comprises clasp joint portion, after said fixing being supported the protuberance intercalation is gone into fixedly in the supporting hole, make mold pressing lid compressive plane pressurize, be contacted with the compression face of above-mentioned mold pressing base, so, make above-mentioned clasp joint portion be sticked in the square slot part that said fixing supporting hole and above-mentioned mold pressing base back surface intersect.
(5) again, in (3) and (4), the fixing support has a tapered end installation portion on the protuberance, locks on this tapered end installation portion, can make hand locking device be difficult for deviating from from handle portion
, in (1) to (5) in, U font groove in sticking department be set, by this, make from outward appearance and can see the state representation mark (6) again.
(7) again, in (6), described sticking department device system makes monolithic molding by thermoplastic resin molding material and constitutes in (1).
Fig. 1 is for being installed on the hand locking device in the embodiment of the present invention 1 stereogram under the state of circuit breaker before getting on.Wherein, (a) being the open cube display of hand locking device, (b) is the stereogram of circuit breaker.
In Fig. 1 (b), 20 is operating grip, operating grip 20 by: be positioned at the peristome 1a of Shell of circuit breaker 1 matrix part 21, outstanding handle portion 22 and the handle hole 22a that is arranged on the handle portion 22 are formed by Shell of circuit breaker 1 peristome 1a.6 are mint-mark or be printed in matrix part 21 lip-deep state representation marks, and operating grip 20 is represented with I when the ON position, and the time marquis when the OFF position represents with O.
In Fig. 1 (a), 30 is by resulting hand locking device behind PBT (polybutylene terephthalate (PBT)), the PET thermoplastic resin material monolithic moldings such as (PETGs).
Fig. 2 for the hand locking device in the embodiments of the present invention 1 be installed in the circuit breaker the time installment state under stereogram.Figure 3 shows that the hand locking device in the embodiment of the present invention 1 is installed on stereogram under the state of circuit breaker after getting on.Figure 4 shows that along the A among Fig. 3 that to the stereogram of being looked wherein, (a) expression operating grip 20 is in the OFF position, the situation by hand locking device 30 when closed, (b) expression operating grip 20 is in the ON position, the situation by hand locking device 30 when closed.
Below, referring to figs. 1 through Fig. 4, the installation method when just hand locking device 30 being installed on the operating grip 20 of circuit breaker is done an explanation.
When (1) sticking department 33 being positioned in the peristome 1a endobasal-body portion 21, the handle hole 22a that makes holding section 34 be sticked in setting on the handle portion 22 goes up (Fig. 2).
(2) crooked connecting portion 35 will be fixed and support protuberance 36 to be intercalated in fixedly among the supporting hole 31c.
(3) the compressive plane 32a of mold pressing lid 32 and the compression face 31a of mold pressing base 31 are added press contacts.At this moment, the fixing 36a of clasp joint portion of protuberance 36 that supports is sticked in fixedly supporting hole 31c and the crossing square slot part 31d of back side 31b, and mold pressing base 31 and mold pressing lid 32 keep tightlock status (Fig. 3, Fig. 4).
As mentioned above the hand locking device 30 of structure on the handle portion 22 that hand locking device 30 is closely remained in operating grip 20 by simple, cheap structure in, the operating grip 20 of circuit breaker can be limited on the position of ON or OFF again.
Again, because sticking department 33 is provided with U font groove, so, after on operating grip 20, installing hand locking device, can see the lip-deep state representation mark 6 that is shown in matrix part 21 from the circuit breaker outward appearance, so, can confirm ON, the OFF position of operating grip 20.
Again, in the above description, sticking department 33 and holding section 34 are arranged on the mold pressing base 31, but also they can be arranged on the corresponding site of mold pressing lid 32.If form the handle hole 22a that a plurality of holding sections 34 and intercalation have holding section 34, then hand locking device 30 can be fixed on the handle portion 22 of operating grip 20 tightly more.
Execution mode 2
Figure 5 shows that the hand locking device in the embodiments of the present invention 2 is installed on stereogram under the state before the circuit breaker.Wherein, (a) being the open cube display of hand locking device, (b) is the stereogram of circuit breaker.
In Fig. 5 (b), 40 is operating grip, operating grip 40 by: be positioned at the matrix part 41 of the peristome 1a of Shell of circuit breaker 1, outstanding handle portion 42, the handle hole 42a that has been provided with and the facial 42b of handle side that are used for following pitman is intercalated in handle portion 42 are formed by the peristome 1a of Shell of circuit breaker 1.60 are mint-mark or be printed in matrix part 21 lip-deep state representation marks, and operating grip 40 is represented with I when the ON position, then represents with O when the OFF position.
In Fig. 5 (a), 50 for to make the resultant hand locking device of monolithic molding by PBT (polybutylene terephthalate (PBT)), PET thermoplastic resin materials such as (PETGs).
Hand locking device 50 constitutes by following parts: mold pressing base 51, mold pressing lid 52, the compression face 51a on mold pressing base 51 surfaces, back side 51b as mold pressing base 51 inboard faces, be used to make the sticking department 53 of operating grip 40, be arranged at the U font groove 53a of sticking department 53 central parts, (protrusion) holding section 54 perpendicular to the setting of compression face 51a projection, be arranged in the fixedly supporting hole 51c of compression face 51a, form thin wall shape, so that crooked, be used to connect the connecting portion 55 of mold pressing base 51 and mold pressing lid 52, cover the compressive plane 52a on 52 surfaces as mold pressing, be convexly equipped with perpendicular to compressive plane 52a 2 fixing supports protuberances 56 and deviates to prevent that portion 57 from forming.Fixing support protuberance 56 is provided with and is convexly equipped with saw-toothed clasp joint 56a of portion and tapered end installation portion 56b.
Figure 6 shows that the stereogram under the installment state the when hand locking device in the embodiment of the present invention 2 is installed on circuit breaker.Figure 7 shows that the hand locking device in the embodiment of the present invention 2 is installed on stereogram under the state after the circuit breaker.
Below, with reference to Fig. 5 to Fig. 7, the installation method when just hand locking device 50 being installed on the operating grip 40 of circuit breaker is done an explanation.When (1) sticking department 53 being positioned on the matrix part 41 in the peristome 1a, make holding section 54
As along the direction of arrow shown in Figure 6, intercalation, be sticked among the handle hole 42a that is provided with on the handle portion 42.(2) crooked connecting portion 55 will be fixed and support protuberance 56 to be intercalated in fixedly among the supporting hole 51c.(3) make the compressive plane 52a of mold pressing lid 52 and the compression face 51a of mold pressing base 51 add press contacts.
At this moment, the fixing 56a of clasp joint portion of protuberance 56 that supports is sticked in fixedly supporting hole 51c and the crossing square slot part (not shown) 51d of back side 51b, deviate to prevent that portion 57 is connected to handle one side surface part 42b, mold pressing base 51 and mold pressing lid 52 keep tightlock status (Fig. 3, Fig. 7).(4) padlock 5 is installed on tapered end installation portion 56b.
The hand locking device 50 of said structure is because of being monolithic molding, so, structure that can be simple, cheap is closely propped up hand locking device 30 on the handle portion 22 that is held in operating grip 20, simultaneously, the operating grip 20 of circuit breaker can be limited on the position of ON or OFF again.
Again, on operating grip 40, install after the hand locking device 50, can see from the circuit breaker outward appearance to be shown in matrix 41 lip-deep state representation marks 6, so, can confirm ON, the OFF position of operating grip 40.
Again,, can't unload hand locking device 50 easily by the installation of padlock 5, so, the unnecessary operation of operating grip 40 can be avoided.
Execution mode 3
Figure 8 shows that the hand locking device in the embodiment of the present invention 3 is installed on stereogram under the state on the multi-pole circuit breaker.By handle hole 42a set on the circuit breaker handle portion 42 after formed hand locking devices 50 are installed with execution mode 2 and, in abutting connection with intercalation pitman 80 between the circuit breaker handle hole 42a that is provided with, and the handle portion 42 of attended operation handle 40, by this, in multipole circuit breaker (Fig. 8 represents the occasion of four-pole circuit breaker), only by a hand locking device 50 is installed, also can four utmost points side by side, operating grip 40 is limited on the position of ON or OFF.
(1) as mentioned above, according to the invention of claim 1, because hand locking device Monolithic molding, so structure that can be simple, cheap is with the operating grip limit of breaker Be formed on ON position or OFF position.
(2) according to the invention of claim 2, owing to utilized the handle hole of existing setting, So, hand locking device can be positioned the desired location of operating grip handle portion.
(3) according to the invention of claim 3, owing to be by mold pressing base and mold pressing lid Hold the handle portion of closing operation handle under the arm from two sides, so, can be with hand locking device closely Remain on the operating grip.
(4) according to the invention of claim 4, owing to support that protuberance is intercalated in will fixing Fixedly after the supporting hole, make the compressive plane of mold pressing lid and the compression face of mold pressing base pressurize, connect Touch, by this, make clasp joint section be sticked in the side that the fixing back side of supporting hole and mold pressing base joins The shape slot part, so, mold pressing base and mold pressing lid can be kept tightlock status.
(5) according to the invention of claim 5, above-mentioned breaker can be locked, and lock Installation direction is unrestricted, installs easily, can be so that hand locking device is difficult for from breaker Break away from the operating grip.
(6) according to the invention of claim 6, hand locking device is being installed on operation After handle gets on, also can see the STA representation mark from described closing device outward appearance, so, Can confirm whether operating grip is in ON, OFF position.
(7) according to the invention of claim 7, because described hand locking device system is by appearance Yielding material forms, so, can easily operating grip be installed on the handle locking dress Be set up.
Fig. 1 is for being installed on the hand locking device in the embodiment of the present invention 1 stereogram under the state of circuit breaker before getting on.
Fig. 2 for the hand locking device in the embodiments of the present invention 1 be installed in the circuit breaker the time installment state under stereogram.
Figure 3 shows that the hand locking device in the embodiment of the present invention 1 is installed on stereogram under the state of circuit breaker after getting on.
Figure 4 shows that along the stereogram of the A direction institute apparent time of Fig. 3.
Figure 5 shows that the hand locking device in the embodiments of the present invention 2 is installed on stereogram under the state before the circuit breaker.
Figure 6 shows that the stereogram under the installment state the when hand locking device in the embodiment of the present invention 2 is installed on circuit breaker.
Figure 7 shows that the hand locking device in the embodiment of the present invention 2 and padlock are installed on stereogram under the state after the circuit breaker.
Figure 8 shows that the hand locking device in the embodiments of the present invention 3 is installed on stereogram under the state before the multipole circuit breaker.
Figure 9 shows that will be in the past hand locking device be installed on the stereogram under the state before the circuit breaker.
Figure 10 shows that the hand locking device of inciting somebody to action in the past is installed on the stereogram under the circuit breaker state afterwards.
Among the figure, 1 is Shell of circuit breaker, and 1a is a peristome, 5 is padlock, 6,60 is the state representation mark, 20,40 is operating grip, 21,41 is matrix part, 22,42 is handle portion, 22a, 42a is a handle hole, 30,50 is hand locking device, 31,51 are mold pressing base, 31a, 51a is a compression face, 31b, 51b is the back side, 31c, 51c is fixing supporting hole (fixedly holding components), 31d is square slot part, 32,52 are mold pressing lid, 32a, 52a is for reaching compressive plane, 33,53 is sticking department, 33a, 53a is a U font groove, 34,54 is the holding section, 35,55 is connecting portion, 36,56 are the fixing protuberance (fixedly holding components) of supporting, 36a, 56a is a clasp joint portion, and 42b is the handle side face, and 56b is the tapered end installation portion, 57 for preventing the portion of coming off, and 80 is pitman.
Claims (7)
1. circuit breaker handle locking device, described hand locking device is to be installed on the handle portion of described operating grip, the operating grip that described operating grip is used for protruding in the Shell of circuit breaker peristome is limited to closure or open position, it is characterized in that, described hand locking device includes:
Be positioned at described peristome, be used to limit the sticking department of aforesaid operations handle,
Be sticked in aforementioned handle portion, aforementioned hand locking device is positioned the holding section of aforementioned handle portion desired location, and
Be used for the fixedly holding components that is held on the aforementioned handle portion is fixed, propped up to aforementioned hand locking device;
The hand locking device of described circuit breaker is to be made of above-mentioned handle portion, above-mentioned holding section and said fixing holding components integral body to form.
2. circuit breaker handle locking device as claimed in claim 1 is characterized in that, described holding section system is convexly set on the above-mentioned handle portion bearing surface with hand locking device, so that in its handle hole that is intercalated on the handle portion to be worn.
3. circuit breaker handle locking device as claimed in claim 1, it is characterized in that, described fixedly holding components system is by being arranged at the fixedly supporting hole on the mold pressing base and being arranged at the fixedly support protuberance that mold pressing covers and forming, above-mentioned mold pressing base is connected by connecting portion with the mold pressing lid, sticking department is positioned at peristome, simultaneously, make after the holding section is sticked on the handle, by the described connecting portion of bending, make aforementioned fixation support protuberance to embed, place in the said fixing supporting hole, by this, the holding section is fixed in the above-mentioned handle portion.
4. circuit breaker handle locking device as claimed in claim 3, it is characterized in that, described fixedly support protuberance comprises clasp joint portion, after said fixing being supported the protuberance intercalation is gone into fixedly in the supporting hole, make mold pressing lid compressive plane pressurize, be contacted with the compression face of above-mentioned mold pressing base, so, make above-mentioned clasp joint portion be sticked in the square slot part that said fixing supporting hole and above-mentioned mold pressing base back surface intersect.
5. as claim 3 or 4 described circuit breaker handle locking devices, it is characterized in that having a tapered end installation portion on the described fixedly support protuberance, on this tapered end installation portion, lock, can make hand locking device be not easy to deviate from from handle portion.
6. as each the described circuit breaker handle locking device among the claim 1-5, it is characterized in that, U font groove is set in the described sticking department, by this, can see the state representation mark from the circuit breaker outward appearance.
7. circuit breaker handle locking device as claimed in claim 1 is characterized in that, described sticking department device is to make monolithic molding by thermoplastic resin molding material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP319443/1999 | 1999-11-10 | ||
| JP31944399A JP3807170B2 (en) | 1999-11-10 | 1999-11-10 | Circuit breaker handle lock device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1296280A true CN1296280A (en) | 2001-05-23 |
| CN1155977C CN1155977C (en) | 2004-06-30 |
Family
ID=18110267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001064797A Expired - Fee Related CN1155977C (en) | 1999-11-10 | 2000-04-07 | Locking device for handle of circuit breaker |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3807170B2 (en) |
| CN (1) | CN1155977C (en) |
| ID (1) | ID28147A (en) |
| TW (1) | TW464894B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324628C (en) * | 2004-03-18 | 2007-07-04 | 三菱电机株式会社 | Hand locking device of loop breaker |
| CN109087834A (en) * | 2017-06-13 | 2018-12-25 | 三菱电机株式会社 | Circuit-breaker |
| CN109767934A (en) * | 2019-01-11 | 2019-05-17 | 国网福建省电力有限公司三明供电公司 | A kind of anti-error switching device and application method for protection screen cabinet air switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393826B (en) * | 2007-09-20 | 2012-05-23 | 河村电器产业株式会社 | Handle lock device for circuit breaker |
-
1999
- 1999-11-10 JP JP31944399A patent/JP3807170B2/en not_active Expired - Fee Related
-
2000
- 2000-03-13 TW TW89104465A patent/TW464894B/en not_active IP Right Cessation
- 2000-03-27 ID IDP20000241A patent/ID28147A/en unknown
- 2000-04-07 CN CNB001064797A patent/CN1155977C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324628C (en) * | 2004-03-18 | 2007-07-04 | 三菱电机株式会社 | Hand locking device of loop breaker |
| CN109087834A (en) * | 2017-06-13 | 2018-12-25 | 三菱电机株式会社 | Circuit-breaker |
| CN109087834B (en) * | 2017-06-13 | 2022-02-18 | 三菱电机株式会社 | Circuit breaker |
| CN109767934A (en) * | 2019-01-11 | 2019-05-17 | 国网福建省电力有限公司三明供电公司 | A kind of anti-error switching device and application method for protection screen cabinet air switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1155977C (en) | 2004-06-30 |
| JP2001135218A (en) | 2001-05-18 |
| ID28147A (en) | 2001-05-10 |
| TW464894B (en) | 2001-11-21 |
| JP3807170B2 (en) | 2006-08-09 |
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Legal Events
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| 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: 20040630 Termination date: 20190407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |