CN202058616U - Locking device utilizing motor switch side opening to control switch - Google Patents
Locking device utilizing motor switch side opening to control switch Download PDFInfo
- Publication number
- CN202058616U CN202058616U CN2011201200628U CN201120120062U CN202058616U CN 202058616 U CN202058616 U CN 202058616U CN 2011201200628 U CN2011201200628 U CN 2011201200628U CN 201120120062 U CN201120120062 U CN 201120120062U CN 202058616 U CN202058616 U CN 202058616U
- Authority
- CN
- China
- Prior art keywords
- motor switch
- locking device
- side opening
- switch
- latch fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/227—Interlocked hand- and power-operating mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/287—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member wherein the operating part is made inaccessible or more difficult to access by a lid, cover or guard, e.g. lockable covers
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
Provided is a locking device utilizing a motor switch side opening to control the switch. The locking device is combined and is adjacent to the motor switch and can be combined with the motor switch. The locking device is provided with a lug which is in linkage with at least one latch fittings; the at least one lug can be aligned with and embed into the inner of the side opening of the motor switch and restricts the movement members in the motor switch such that the handle of the motor switch can not be turned at will.
Description
Technical field
The utility model is the locking device about a kind of motor switch, particularly about limiting the locking device of motor switch power supply after a kind of and the combination of motor switch side.
Background technology
Applicant of the present utility model with the experience of field practice, once had a series of invention and creation about motor switch and power supply management based on the cordiality to industrial safety, and some applies for a patent the achievement of these research and development and get permission.
Especially, applicant of the present utility model once provided the innovation and creation of the motor switch locking device of a series of good practicalities.Review domestic is many electric accidents in the past, all occur in the maintenance event of electromechanics.Just in case unwitting other third party's processes are arranged, seeing motor switch in the maintenance, for example is that (No-Fuse Breaker is called for short NFB to no-fuse switch; Or Molded Case Circuit Breaker, be called for short MCCB etc.), or residual current circuit breaker etc. is in the off-normal position of escape (Trip), when plant equipment of finding the motor switch lock control again etc. shuts down, can take for is because lightning or pulse current cause escape, just the spanner of pulling no-fuse switch or residual current circuit breaker favorably drops into power supply again, comes starter motor equipment, makes the personnel that keep in repair in plant equipment have little time to dodge and suffers from accident.
Existing miniature circuit breaker (Mini Circuit Breaker), its side is provided with a peep pole, a moving member that is subjected to the handle institute interlock of motor switch is arranged in this hole, that is to say when the handle of motor switch is pulled, this moving member can along with on move or move down, but unfortunately, existing motor switch is but the facility of not avoiding handle to be pulled in maintenance.
Therefore the utility model continues to provide a good practical motor switch locking device except extending a series of relevant innovation and creation that the applicant has applied for before this.The utility model needn't belong to motor switch in particular, in other words the utility model goes in various miniature circuit breakers (Mini Circuit Breaker) or the functionally similar motor switch, as long as coupling or adjoin and be installed in existing conventional motors switch next door, can be by the main power source of the mode management and control motor switch of multiple control.
Summary of the invention
Main purpose of the present utility model, be to provide a kind of locking device that utilizes motor switch side opening control switch, be located at the motor switch next door with adjoining, the handle that can limit motor switch by the mode of multiple control can't produce action, therefore can prevent this motor switch of other staff's error starting in maintenance.
Another purpose of the present utility model is to provide a kind of locking device that utilizes motor switch side opening control switch, with motor switch and last lock body adjoin each other fixing in groups, become the composite set that more than one lock modes can limit the malfunction of motor switch handle.
A time purpose of the present utility model except a kind of locking device that utilizes motor switch side opening control switch of aforementioned purpose is provided, and has the mechanism of indicating member display and operation further, when this locking device is locked, can show the situation of whether locking.
A purpose more of the present utility model, except a kind of locking device that utilizes motor switch side opening control switch of aforementioned purpose is provided, and the mechanism that has long-range display and operation further, when this locking device is locked, but the loop of conducting or shutoff signal end makes near-end or long-range control end display and operation situation.
For achieving the above object, the utility model designs a kind of locking device that utilizes motor switch side opening control switch, and it mainly has lock body on, for adjoining fixing with the motor switch that side opening is arranged.Should go up lock body comprises: one can with the box body of motor switch combination, at least one latch fitting, with a nose bar that is subjected to this latch fitting interlock.This latch fitting is to be fixed on this box body, and preferably, this latch fitting can directly adopt on the market existing lock to reequip, and for example is the safety lock mains switch that the lock controlled by key or motor are used.
The side of this box body and motor switch closing has a slotted hole, this nose bar passes protruding this box body the outside that is exposed at of slotted hole of this box body side in this box body, aim at and can embed in the side opening of motor switch, limit the moving member of motor switch inside, the handle of motor switch can't be pulled arbitrarily.The side of the closing of this box body and motor switch can be given tacit consent to combination bore separately, combines by bolt or spring catch (pin) etc.
In order to distinguish management power and responsibility, preferably, this latch fitting is a plurality of latch fittings, controlled by different keys respectively, and this nose bar of interlock together.This latch fitting this nose bar of interlock discriminably respectively, therefore under administrative control system, different latch fitting keys can be transferred to different relevant unit's keepings, be that the worker pacifies unit, maintaining unit, site operation unit or production unit etc. for example, if total latch fitting does not unblank to untie after the agreement through arbitrary unit wherein, the spanner that just can't stir motor switch send.
Further, above-mentioned locking device inside more comprises at least one sensitive switch, and for being external in signal end, this sensitive switch is subjected to this latch fitting institute interlock.For example two sensitive switches are arranged, the signal of first sensitive switch provides central control system management and control usefulness, and the indicator light that the signal of second sensitive switch provides to the scene uses.
More preferably, lock body more comprises a window on this, for indicating whether that at service mode the indication of this window is subjected to this latch fitting institute interlock.This can with above-mentioned sensitive switch optionally and usefulness, be arranged at simultaneously on this box body.
Described locking device becomes a switch assembly after can adjoining combination with the motor switch that side opening is arranged, and promptly conventional at present motor switch can directly make up the locking device that the utility model provides, and becomes new commodity.
Further, according to same intention, the utility model also can design a kind of multiple locking device of motor switch that makes up kenel.The device of this combination kenel is except comprising the above-mentioned lock body of going up, and comprises and made up a motor switch with escape mechanism.This motor switch has overcurrent escape mechanism, an escape lock cell and of being located at inside and is located at outside handle in order to the control main power circuit.Should go up lock body and this motor switch and adjoin fixingly each other, allow last lock body with a plurality of latch fittings, can be nearby mode by the multiple control escape mechanism that limits motor switch inside locate mobile.
This motor switch is no-fuse switch or residual current circuit breaker preferably.No-fuse switch or residual current circuit breaker all have the handle that can pull, this handle is because will can be operated the control position that is anchored in " energising or title drop into (ON) " or " (OFF) opens circuit " after personnel pull respectively with the desirability of circuit turn-on or cut-out.
So handle is anchored in a certain control position after being pulled, be because in this switch one group of escape mechanism is arranged, the design of this escape mechanism has different designs according to each producer, but be nothing but to have after a main spring pulls displacement for handle, if can not got back to the position of " (OFF) opens circuit " automatically by escape mechanism location.
If when the moving member in the motor switch is not subjected to the stop limits displacement, has several modes to produce and open circuit, the firstth, when overcurrent, borrow this switch when abnormality, the copper cash of inside is crossed hot stretched and the displacement that produces and drive escape mechanism.Second kind of situation is to press the depression bar that touches escape (Trip) test cell, makes its dog point stressed and swing.Another kind of situation is a forced cut-out, pulling handle just, and the external force of borrowing pulling handle, this need not give unnecessary details for general known techniques.
Therefore the displacement of the utility model by producing in the latch fitting body, make the nose bar of latch fitting interlock, though be with push away or with the mode of drawing, as long as can relatively also produce displacement, can block the moving member in the motor switch, make handle or its escape test cell of this motor switch all can't produce action, force outage to control and to guarantee main power circuit.
The locking device that utilizes motor switch side opening control switch of the present utility model, can have the following effect of improving: borrow safety lock mains switch (KEYLOCK) to force to pin mains switch (CB) and do not make action, therefore in maintenance, can prevent other staff's misoperation starter motor switch.The lock body of going up of the present utility model in particular, its different latch fitting key can be transferred to the separately keeping of different relevant power and responsibility units, be that the worker pacifies unit, maintaining unit, site operation unit or production unit etc. for example, if each latch fitting does not have total untiing, just can't stir spanner, so can effectively improve the bad habit that each relevant unit shirks responsibility mutually.The utility model provides simple locking device with the design of innovation, with and with the direct combination of various miniature circuit breakers (Mini Circuit Breaker) or functionally similar motor switch, on the architecture basics that does not change the conventional motors switch, can limit the involuntary maneuver of motor switch spanner, and strengthen the inspection of each relevant unit, and then improve the fail safe of maintenance.Motor switch of the present utility model is operated the control position that is anchored in " energising or title drop into (ON) " or " (OFF) opens circuit " after personnel pull, and when utilizing the utility model to lock, also can on last lock body, see the situation whether motor switch locks by indicating member.In addition, the loop of conducting synchronously or shutoff signal end makes near-end or long-range control end display and operation situation.
Description of drawings
Fig. 1 is the schematic appearance of overlooking of the utility model locking device of utilizing motor switch side opening control switch.
The similar Fig. 1 of Fig. 2, but another kind of embodiment is described, and show the structural representation of locking device embodiment.
Fig. 3 is the exploded perspective schematic diagram of motor switch and the utility model locking device.
Fig. 4 is the action schematic diagram of the inner latch fitting interlock of the utility model locking device embodiment.
The similar Fig. 4 of Fig. 5, but another kind of embodiment is described.
Primary clustering symbol description among the figure:
1. motor switch; 12. handle; 14. side opening; 15. combination bore; 2. go up lock body; 20. box body; 21. latch fitting; 22. protruded stigma; 23. moving part; 231. bead; 24. inclined-plane; 25. groove; 26. slotted hole; 27. combination bore; 28. nose bar; 30. key; 40. sensitive switch; 42. fine motion sheet; 50. chain joint assembly; 60. window.
Embodiment
Below, purpose, technology contents, characteristics of the utility model and the effect of being reached thereof are described by preferred embodiment and accompanying drawing thereof.
Locking device of the present utility model, preferred embodiment as shown in Figure 1, and referring to Fig. 3, it mainly is lock body 2 to be arranged on one for adjoining fixing with the motor switch 1 that side opening 14 is arranged.Prior motor switch 1 has and is located at inner overcurrent escape mechanism, and one is located at outside handle 12 in order to the control main power circuit, and a side opening 14.Move up and down when having a moving member to be pulled in this side opening 14 along with the handle 12 of motor switch 1.Last lock body 2 comprises: one can with the box body 20 of motor switch 1 combination, at least one latch fitting 21, with a nose bar 28 that is subjected to these latch fitting 21 interlocks.This latch fitting 21 is to be fixed on this box body 20, and preferably, this latch fitting 21 can directly adopt on the market existing lock to reequip, and for example is the safety lock mains switch that the lock controlled by key or motor are used.
This box body 20 has a slotted hole 26 with the side of motor switch 1 closing, and this nose bar 28 passes slotted hole 26 protruding being exposed at outside this box body 20 of these box body 20 sides in this box body 20, aims at and can embed in the side opening 14 of motor switch 1.When latch fitting 21 is locked, but interlock nose bar 28 and block the moving member of motor switch 1 inside can't be pulled the handle 12 of motor switch 1 arbitrarily.This box body 20 can be given tacit consent to combination bore 27,15 separately with the side of the closing of motor switch 1, and for example bolt or spring catch (pin) etc. are combined by chain joint assembly 50.
The latch fitting 21 of last lock body 2 is preferably a kind of safety lock mains switch, and wherein any latch fitting 21 just can be controlled the handle 12 of motor switch 1 and locate when not making action after locking, and power supply is directly opened circuit.Described latch fitting 21 is controlled by different key 30 respectively.
Further, above-mentioned locking device inside can more comprise at least one sensitive switch 40 (referring to Fig. 1 and Fig. 2), and for being external in signal end, this sensitive switch 40 is subjected to 23 interlocks of moving part that any latch fitting 21 under lock body 2 is driven on this.Referring to Fig. 2, the lower end of any latch fitting 21 is by moving part 23 energy interlocks one protruded stigma 22, when key 30 (referring to Fig. 4) turn latch fitting 21, this protruded stigma 22 can touch the fine motion sheet 42 of this sensitive switch 40 shown in Figure 2, and make the loop of sensitive switch 40 or other equivalent elements conducting or shutoff signal end, make near-end or long-range control end display and operation situation, for example indicating is the state that is in maintenance, and main power source is de-energized.Sensitive switch also can have two outputs, and first signal provides central control system management and control usefulness, and the indicator light that second signal provides to the scene uses.
More preferably, lock body 2 more comprises a window 60 (referring to Fig. 1 to Fig. 3) on this, for indicating whether that at service mode the indication of this window 60 is subjected to 21 interlocks of this latch fitting.This can with above-mentioned sensitive switch 40 optionally and usefulness, be arranged at simultaneously on this box body 20.When last lock body 20 wherein any latch fitting 21 when locking, but interlock indicating member 60 and show lock in (for example being red the sign).
That shown in Figure 4 only is a kind of action embodiment explanation that latch fitting 21 drives.Though show in the latch fitting 21 among Fig. 4 and be used for driving the above-mentioned nose bar 28 or the moving part 23 of nose bar 28, be to be subjected to inclined-plane 24 compressings and the generation displacement that descends, but anyway, as shown in Figure 5, spiral groove 25 also can be made in below in the latch fitting 21, and establish a bead 231 in the end of moving part 23 and snap in this groove 25, also can make latch fitting 21 drive moving parts 23 and rise or descend and produce displacement.In a word, allow latch fitting 21 drive moving parts 23, be with push away or with draw or other equivalent way all be intention scope of the present utility model.
Claims (9)
1. locking device that utilizes motor switch side opening control switch, lock body on one is arranged, for adjoining fixingly with the motor switch that side opening is arranged, it is characterized in that: lock body comprises this on: a box body that can make up with motor switch, and the side of this box body and motor switch closing has a slotted hole; At least one latch fitting is fixed on this box body; One is subjected to the nose bar of this latch fitting interlock, and this nose bar passes the protruding dew of slotted hole of this box body side in this box body, and aims at and can embed in the side opening of motor switch.
2. the locking device that utilizes motor switch side opening control switch according to claim 1 is characterized in that: described latch fitting is a plurality of latch fittings, and this nose bar of interlock together; Each latch fitting is this nose bar of interlock discriminably.
3. the locking device that utilizes motor switch side opening control switch according to claim 1 is characterized in that: this latch fitting is the safety lock mains switch.
4. the locking device that utilizes motor switch side opening control switch according to claim 2 is characterized in that: described each latch fitting is controlled by different keys respectively.
5. the locking device that utilizes motor switch side opening control switch according to claim 1 and 2 is characterized in that: more comprise at least one sensitive switch, for being external in signal end, this sensitive switch is subjected to described latch fitting institute interlock.
6. the locking device that utilizes motor switch side opening control switch according to claim 1 and 2 is characterized in that: the described lock body of going up comprises one for the window that indicates whether at service mode, and the indication of this window is subjected to this latch fitting institute interlock.
7. the locking device that utilizes motor switch side opening control switch according to claim 1 is characterized in that: the below of described latch fitting is provided with the inclined-plane and orders about moving part generation displacement and this nose bar of interlock.
8. the locking device that utilizes motor switch side opening control switch according to claim 1 is characterized in that: the below of described latch fitting is provided with spiral groove and orders about moving part generation displacement and this nose bar of interlock.
9. the locking device that utilizes motor switch side opening control switch according to claim 1 and 2 is characterized in that: this locking device becomes a switch assembly after can adjoining combination with the motor switch that side opening is arranged.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201200628U CN202058616U (en) | 2011-04-22 | 2011-04-22 | Locking device utilizing motor switch side opening to control switch |
| PCT/CN2011/078912 WO2012142807A1 (en) | 2011-04-22 | 2011-08-25 | Locking device utilizing motor switch side hole to control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201200628U CN202058616U (en) | 2011-04-22 | 2011-04-22 | Locking device utilizing motor switch side opening to control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202058616U true CN202058616U (en) | 2011-11-30 |
Family
ID=45018582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201200628U Expired - Fee Related CN202058616U (en) | 2011-04-22 | 2011-04-22 | Locking device utilizing motor switch side opening to control switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202058616U (en) |
| WO (1) | WO2012142807A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229177A (en) * | 2016-08-20 | 2016-12-14 | 嘉兴市创辉电气工程有限公司 | A kind of double-throw knife-like switch of band brake lock |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2640422B1 (en) * | 1988-12-14 | 1996-04-05 | Merlin Gerin | MODULAR ASSEMBLY OF A MULTIPOLAR DIFFERENTIAL CIRCUIT BREAKER |
| JP2000311538A (en) * | 1999-04-28 | 2000-11-07 | Towa Corp | Power switch |
| CN100547710C (en) * | 2007-07-14 | 2009-10-07 | 常熟市森原电器厂 | The interlocking device of high voltage isolator and vacuum contactor and high-voltage board door |
| CN201796764U (en) * | 2010-05-21 | 2011-04-13 | 陈锡瑜 | Motor switch with multiple locking devices |
-
2011
- 2011-04-22 CN CN2011201200628U patent/CN202058616U/en not_active Expired - Fee Related
- 2011-08-25 WO PCT/CN2011/078912 patent/WO2012142807A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229177A (en) * | 2016-08-20 | 2016-12-14 | 嘉兴市创辉电气工程有限公司 | A kind of double-throw knife-like switch of band brake lock |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012142807A1 (en) | 2012-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111130 Termination date: 20180422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |