CN201332076Y - Lockset assembly applicable to error action prevention in motor switches - Google Patents
Lockset assembly applicable to error action prevention in motor switches Download PDFInfo
- Publication number
- CN201332076Y CN201332076Y CNU2009201050106U CN200920105010U CN201332076Y CN 201332076 Y CN201332076 Y CN 201332076Y CN U2009201050106 U CNU2009201050106 U CN U2009201050106U CN 200920105010 U CN200920105010 U CN 200920105010U CN 201332076 Y CN201332076 Y CN 201332076Y
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- CN
- China
- Prior art keywords
- motor switch
- applicable
- lock assembly
- control lever
- lockset
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- 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 - Lifetime
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Abstract
The utility model relates to a lockset assembly applicable to error action prevention in motor switches. A body can be fixed adjacent to the motor switch and a control rod can rotate together with a lock member of the lockset to lock a trip mechanism inside the motor switch, so as to manipulate outrage of the main power loop forcibly, ensure that outrage of the main power really occurs in maintenance, thus achieving the effect of safe maintenance of motors.
Description
Technical field
The utility model relates to a kind of lock device, particularly about a kind of lock assembly that can protect motor switch escape mechanism, to guarantee to keep in repair fail safe.
Background technology
Motor switch is the main device that power supply is given machinery or electrical equipment.The most frequently used motor switch 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.).Based on no-fuse switch is a kind of overcurrent (OVERCURRENT) protective device; when it is in the off-normal position of escape (Trip) and machinery is shut down; have a lot of probability to be because lightning causes, or undesired electric current produce excessive pulse and escape.Common this situation is as long as the test and the replacement button of operator presses switch just can make no-fuse switch continue the path supply of current machinery is remained in operation.
Many in the past electric accidents all occur in the maintenance or miscarriage operation of motor switch.Because in the maintenance of equipment of using power supply, a knowledge of often being misread by work on the spot person is: the electrical safety that takes in the machinery promptly interdicts the power button, can cut off all power supplys fully! But in fact, electrical safety in the machinery promptly interdicts the power button, only cut off the power supply in solenoid loop and produce escape, this danger button is inreal to cut off main power supply, but almost most people all to take for be to have cut off main power supply.
This wrong cognitive crisis that produces; so that the operating personnel repairs dynamic power machine in maintenance; when perhaps entering machinery inside; just in case unwitting other third party's processes are arranged; see that no-fuse switch is in the off-normal position of escape (Trip); and machinery has stopped running; take for is because lightning or overcurrent cause escape; just push test and replacement button favorably; the handle that starts after the escape mechanism and pull no-fuse switch drops into again; this danger machinery will start immediately and produce danger, many with the motor be the equipment of power source in maintenance, the harm that the maintenance personal is caused is all because cause like this.
Above problem exists for a long time, but fails to properly settle always.
Therefore the inventor once created a kind of no-fuse switch locking device at this problem, mainly be to fix on locking device on the no-fuse switch by an external reinforcement, the restriction no-fuse switch the grip behind the position of escape, non-promptly can not the shift position through this handle of unblanking.And, provide multiple preferable locking device embodiment according to above-mentioned technological means.
For asking creation more perfect, the ground of redoubling one's efforts, the inventor designs a kind of motor switch that pins escape mechanism that has again, its motor switch is provided with a safety lock, can pin the escape mechanism of this motor switch inside, force outage to control main power circuit, to guarantee that main power source opens circuit really in maintenance.
More than two kinds of designs all relevant with the improvement of motor switch structure, and SEPARATE APPLICATION patent.But the design concept of complying with each manufacturer owing to motor switch has difformity and size, and the structure that changes motor switch need change mould again, gigantic project, therefore the utility model will be simplified and design a kind of lock assembly that motor switch protects misoperation that can be applicable to merely, make this lockset can mate the motor switch of each manufacturer, and more convenient manufacturing and construction, can reach the escape mechanism of pinning motor switch inside again equally, force can not produce the security purpose of mistake power supply in the maintenance of outage back to control main power circuit.
Summary of the invention
Main purpose of the present utility model, be to provide a kind of motor switch that can be applicable to protect it can not produce misoperation in maintenance lock assembly, the escape mechanism that can force to pin mains switch (CB) does not make action, therefore can prevent other staff's misoperation starter motor switch in maintenance.
For achieving the above object a kind of lock assembly that can be applicable to motor switch protection misoperation of the utility model design, the most suitable so far no-fuse switch that is applied to control main power circuit.
A kind of lock assembly that can be applicable to motor switch protection misoperation, it comprises a body; One support is being fixed this body; One is installed in this intrinsic lockset, and it has a key unit and to be subjected to the latch fitting of this key unit interlock; With one expose at this external control lever, it can be with this latch fitting interlock; Described control lever has its instrument connection less than motor switch escape mechanism of a motion end, make this motion end when locking, can enter the instrument connection pressure and touch the escape mechanism of this motor switch inside, this escape mechanism protection is not made action, force outage to control via the main power circuit of this motor switch.
Preferable, there is a support fixing this body, this body and this support directly are integrated, this support is to be installed in the motor switch next door with adjoining, therefore body can be locked on the substrate of the distribution box that motor is used together in company with motor switch.
Be installed in this intrinsic lockset, it has a key unit, preferably can be furnished with the lock of the rotatable angle of key, and the inside of lockset then is one to be subjected to the latch fitting of this key unit interlock.Exposed at this external control lever by this latch fitting interlock, being preferably this control lever is to be ㄇ shape structure again.Therefore ㄇ shape control lever is subjected to the latch fitting interlock and liftable, makes the motion end of this ㄇ shape control lever can enter the instrument connection of motor switch escape mechanism when descending, and presses the escape mechanism of electric shock machine switch inside, and this escape mechanism protection is not made the motor switch action.
In order to mate the motor switch of different size, this control lever preferably can be assembled with this latch fitting freely in dismounting, and therefore at the motor switch of different size, a ㄇ shape control lever that only needs to change the different length size gets final product.
Preferably, this body is provided with an indicating window, can show the state that this lockset is locked.Even if therefore the key of lockset is taken away by the maintenance personal, other the 3rd people will check primary power source de-energizes, also easy state according to the indicating window indication, and know that outage is because be forced to the outage or the own fault escape of motor switch that results from maintenance.Certainly in order to allow central control system or distribution board etc. show by lamp, understand the service mode of this motor switch, preferably can further in this body, be provided with a sensitive switch in addition and be subjected to this lockset interlock, and this body exterior is provided with sharing (COM), often opening each contact seat of (NO), normally closed contacts such as (NC) of this sensitive switch, be coupled to these contacts for index line, reach monitoring---the purpose of monitoring at a distance particularly.
The utility model can be applicable to the lock assembly of motor switch protection misoperation, have following beneficial effect: the escape mechanism that forces to pin mains switch (CB) by safety lockset does not make action, therefore in maintenance, can prevent other staff's starter motor switch of at all having no idea, reach the effect of certain assurance electrical machmary maintenance safety.
Description of drawings
Below pass through preferable specific embodiment and accompanying drawing thereof, the effect that further specifies the purpose of this utility model, technology contents, characteristics and reached.
Fig. 1 is the schematic appearance of overlooking of the utility model lock assembly of can be applicable to motor switch protection misoperation.
Fig. 2 is the schematic side view that the utility model can be applicable to the lock assembly of motor switch protection misoperation, the embodiment of expression control lever and latch fitting mode of connection.
Fig. 3 is the structural representation of key unit interlock latch fitting in the utility model.
The primary clustering symbol description:
10. body 11. indicating windows 12. latch fittings 14. inclined-planes
15. exposed end 16. supports 18. key units 19. keys
20. control lever 22. motion ends 24. links 26. nuts
30. motor switch 32. instrument connections 34. handles
40. substrate 50. sensitive switches 52. contact seats.
Embodiment
The utility model can be applicable to the lock assembly of motor switch protection misoperation, and up to the present, optimal motor switch 30 is the no-fuse switchs that are applied to control main power circuit.
Lock assembly of the present utility model preferred embodiment as shown in Figure 1 to Figure 3, mainly comprise a body 10, be installed in latch fitting 12 in this body 10, with a control lever 20 that exposes outside body 10, this control lever 20 can be with latch fitting 12 interlocks.Control lever 20 has a motion end 22 its instrument connections 32 less than motor switch 30 escape mechanisms, make this motion end 22 can press the escape mechanism that touches these motor switch 30 inside, this escape mechanism protection is not made action, force outage to control via the main power circuit of this motor switch 30.
Preferable, there is a support 16 fixing this body 10, this body 10 directly is integrated with this support 16, and this support 16 is installed in motor switch 30 next doors with adjoining, therefore this body 10 and motor switch 30 can be locked on the substrate 40 of the distribution box that motor is used.
Be installed in the latch fitting 12 in this body 10, it has a key unit 18, and preferably one is furnished with the lock of key 19 rotatable angles, and the inside of lockset then is one to be subjected to the latch fitting 12 of these key unit 18 interlocks.Preferred embodiment as shown in Figure 3, the inclined-plane 14 of its lower end can push away and make latch fitting 12 interlock liftings when key unit 18 rotated at key 19; Certainly this inclined-plane makes the track structure of oblique shape spiral goove slot type into, also is the design of another kind of equivalence.Again as shown in Figure 2, expose control lever 20 outside this body 10 by these latch fitting 12 interlocks one, being preferably this control lever 20 is to be ㄇ shape structure.ㄇ shape control lever 20 is subjected to latch fitting 12 interlocks and liftable, so the motion end 22 that makes this ㄇ shape control lever 20 can enter the instrument connection 32 of motor switch 30 escape mechanisms when descending, press the escape mechanism of electric shock machine switch 30 inside, this escape mechanism protection is not made action.This structure is as being familiar with known to this operator, also is of no avail even if remove to pull the handle 32 of motor switch 30.
For the motor switch 30 that mates different size, this control lever 20 is dismounting to assemble with this latch fitting 12 freely as shown in Figure 2, and therefore at the motor switch 30 of different size, a ㄇ shape control lever 20 that only needs to change the different length size gets final product.Preferred embodiment is that the exposed end 15 at latch fitting 12 is provided with a screw, and the link 24 of relative ㄇ shape control lever 20 is provided with spiral, after the two is spirally connected again by a nut 26 with the two locking positioning.
Preferably, this body 10 is provided with an indicating window 11, can show the state that this lockset is locked.Even if therefore the key of lockset is taken away by the maintenance personal, other the 3rd people will check primary power source de-energizes, also easy state according to indicating window 11 indications, and know that outage is because be forced to the outage or the motor switch 30 own fault escapes that result from maintenance.Certainly in order to allow central control system or distribution board etc. show the service mode of understanding this motor switch 30 by lamp, preferably can further in this body 10, be provided with a sensitive switch 50 in addition and be subjected to this lockset interlock, and these body 10 outsides are provided with sharing (COM) contact, often opening the contact seat 52 that wiring such as (NO) contact, normally closed (NC) contact are used of this sensitive switch 50, be coupled to these contacts for index line, reach monitoring, particularly the purpose of monitoring at a distance.
Though above stated specification is enumerated some preferred embodiments with Chen Ming feasibility of the present utility model, as is well known, it is not in order to limit the utility model.Anyly be familiar with this operator, in not breaking away from spirit of the present utility model and protection range, can carry out the change and the retouching of a little equivalence, but must belong to protection range of the present utility model.
Claims (7)
1, a kind of lock assembly that can be applicable to motor switch protection misoperation, it comprises a body; One support is being fixed this body; One is installed in this intrinsic lockset, and it has a key unit and to be subjected to the latch fitting of this key unit interlock; With one expose at this external control lever, it can be with this latch fitting interlock; It is characterized in that: described control lever has its instrument connection less than motor switch escape mechanism of a motion end, make this motion end when locking, can enter the instrument connection pressure and touch the escape mechanism of this motor switch inside, this escape mechanism protection is not made action, will force outage via the main power circuit of this motor switch.
2, the lock assembly that can be applicable to motor switch protection misoperation as claimed in claim 1, it is characterized in that: described body and described support are directly to be integrated.
3, the lock assembly that can be applicable to motor switch protection misoperation as claimed in claim 1 is characterized in that: described support is to be installed in the motor switch next door with adjoining.
4, the lock assembly that can be applicable to motor switch protection misoperation as claimed in claim 1 is characterized in that: described control lever is to be ㄇ shape structure.
5 lock assemblies that can be applicable to motor switch protection misoperation as claimed in claim 1 is characterized in that: described control lever is dismounting to assemble with this latch fitting freely.
6, the lock assembly that can be applicable to motor switch protection misoperation as claimed in claim 1, it is characterized in that: described body is provided with an indicating window, shows the state that this lockset is locked.
7, the lock assembly that can be applicable to motor switch protection misoperation as claimed in claim 1, it is characterized in that: be provided with a sensitive switch in the described body in addition and be subjected to this lockset interlock, and this body exterior is provided with the sharing of this sensitive switch, often opens, normally closed each contact seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201050106U CN201332076Y (en) | 2009-01-07 | 2009-01-07 | Lockset assembly applicable to error action prevention in motor switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201050106U CN201332076Y (en) | 2009-01-07 | 2009-01-07 | Lockset assembly applicable to error action prevention in motor switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201332076Y true CN201332076Y (en) | 2009-10-21 |
Family
ID=41225458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201050106U Expired - Lifetime CN201332076Y (en) | 2009-01-07 | 2009-01-07 | Lockset assembly applicable to error action prevention in motor switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201332076Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891024A (en) * | 2011-07-22 | 2013-01-23 | 西门子公司 | Locking component of switch device and switch device |
-
2009
- 2009-01-07 CN CNU2009201050106U patent/CN201332076Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891024A (en) * | 2011-07-22 | 2013-01-23 | 西门子公司 | Locking component of switch device and switch device |
| CN102891024B (en) * | 2011-07-22 | 2015-04-08 | 西门子公司 | Locking component of switch device and switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |