CN109243917A - By the electric safety contactor for moving activating key actuating - Google Patents
By the electric safety contactor for moving activating key actuating Download PDFInfo
- Publication number
- CN109243917A CN109243917A CN201810751008.XA CN201810751008A CN109243917A CN 109243917 A CN109243917 A CN 109243917A CN 201810751008 A CN201810751008 A CN 201810751008A CN 109243917 A CN109243917 A CN 109243917A
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- CN
- China
- Prior art keywords
- removable
- stop position
- main body
- moving component
- reciprocating moving
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
- H01H27/002—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings wherein one single insertion movement of a key comprises an unlocking stroke and a switch actuating stroke, e.g. security switch for safety guards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention provides a kind of electric safety contactors (1) with removable activating key (18), it includes removable hook (11), the activating key (18) are engaged when in the main body (2) for being inserted into the electrical contact (1), wherein, if during the initial stage that the activating key (18) is inserted into the main body (2) of the electric contactor, the removable hook (11) is in and is not elevated position completely, and in the position, the removable hook (11) is interfered during it is inserted into the main body (2) by the removable key (18), the front end (14) of the so described removable hook (11) tilts in some way, with the promotion of the determination removable hook (1) itself.
Description
Technical field
The electric safety contactor that the present invention relates to a kind of by moving activating key actuating, i.e., a kind of such electrical contact
Device: the closure of the contactor is implemented by being included in the intracorporal removable bridge of the contactor master and is irremovable
, be configured to ensure by a moveable activating key in outside the actuating towards or away from the electric contact so that
This electrical connection.
Background technique
Typically, if necessary to the electric safety contactor using so-called water proof type, although the then electricity safety of the type
Contactor construction is complicated and heavy, also it is generally necessary to by using, because having the more common electricity safety of removable bridge to connect
Tentaculum is not suitable for for the purpose.
In this respect, it is indicated that following problem is sufficient: that is, how to meet in each actuation cycle in electric safe contact
The demand of the terminal of bridge is moved in the main body of device described in insertion/removal, it is logical that main body described in inevitable requirement provides opening
Road, the opening cannot ensure that any splashing and the like is not through the electric safety contactor and comprising electrical member therein
Part.
Unlike, the safety contactor activated above by a removable activating key overcomes the problem, this is
Cause are as follows: the removable bridge and the associated contact are maintained at the electric safe contact by a removable activating key
The intracorporal protected position of the master of device, thus can ensure that the height of the existing electric component in the contactor can not
Permeability.
Being emphasized as before, the electric safe contact that is activated by way of the removable activating key the above-mentioned type
In device, the actuating that the inside moves bridge is not execute a removable actuating of any electrical connection function by one
For key come what is implemented, the removable activating key is only used for the movement of one reciprocating moving component (shuttle) of activation, the round-trip shifting
Bracket of the dynamic component as the removable bridge.
Aforementioned round-trip portion has been determined in fact, the activating key is inserted into the main body of the electric safety contactor
The limit stop position of part towards a forward direction advances, at the same time open type electric contactor closure or closed type electric contactor
It opens.
In the activating key after the removal of the main body of the electric contactor, the reciprocating moving component is applied by elastic device
The thrust added returns to initial position.
In the case where an open type electric contactor, if the electrical pickoff of fixed electrical pickoff and bridge, such as
Partly welded together due to excessively heating during use, then between the contact point of the electric safety contactor
Electrical connection interrupt, a removed activating key, under any circumstance by it is following the fact that ensure: the electric contactor packet
Hook device is included, the hook device is associated with the reciprocating moving component, once the hook device contacts the round-trip shifting
End construction before dynamic component, the hook device be inserted among the main body of the electric safety contactor itself
The free end of the removable key engages.In view of the foregoing, even if feelings partially soldered between the electrical pickoff
Under condition, the key is forcibly removed out of the electric contactor main body and is also ensured: interrupting in the normally opened safety contactor
The electrical connection in portion, this will be attributed to the fact that the fact that following: the free end of the activating key by act on it is described round-trip
In the associated hook device of moving parts, and make reciprocating moving component position movement towards the rear.
It is pointed out, however, that: it is above-mentioned forcibly to remove the activating key usually and make the round-trip portion
Part and the hook device associated there are fully retracted, as a result, hindering the subsequent of the removable activating key
Reinsert, or worse, can lead to a closed state of the electric contactor, without the removable cause
Dynamic bond energy is inserted into the main body of described contactor itself.
According to known solution, by limit the activating key activation channel height dimension come avoid it is above-mentioned not
Desired situation, so that the gap that can be allowed is minimized, to ensure that the actuating bond energy is inserted into the electric safety contactor master
In the channel of body.
Obviously, which is related to a limited actuator range, it is required that the activating key is relative to the electricity peace
The fairly precise positioning of the main body of Full connected device itself, and this can not always be guaranteed when in use.
Further, it can be seen that the electric safe contact utensil with the currently known removable activating key spoon actuating
There are following disadvantages: structure bulky, it is complicated and be difficult to assemble, especially for the portion by the extensive mass production of automatic assembly line
When part.
Summary of the invention
Problem to be solved by this invention is: designing and providing with the electricity peace activated by a removable activating key
Full connected device；It meets following needs: allowing the removable key relative to the altitude range in the insertion channel of the activating key
Actuating, height waterproof, and under any circumstance in (or even forcibly) main body from the electric safety contactor
After removing the key, the interruption of the electrical connection between the contact can ensure that, while ensuring the structure letter of the electric contactor
Change, the corresponding electric contactor in order to assemble, and compared with the existing technology, such as the electric contactor of EP 0920043, reduces institute
State the overall dimensions of electric contactor.
The problem is solved by moving activating key as described in claim 1 the electric safety contactor that activates.
Detailed description of the invention
In conjunction with attached drawing, the further spy with the electric safety contactor by moving activating key actuating of the invention
It seeks peace advantage, will be apparent by the description of the following some preferred embodiments provided by way of non-limiting example,
In:
Attached drawing 1 shows the perspective schematic view of the electric safety contactor with a removable activating key of the invention；
Attached drawing 1A shows the perspective view of the different angle of the electric safety contactor of attached drawing 1；
Attached drawing 2 shows the perspective in the partial sectional view and exploded view of electricity safety contactor described in attached drawing 1 to attached drawing 4
Figure, i.e., subsequent assembling steps；
Attached Figures 5 and 6 respectively illustrate the electric safety contactor of attached drawing 1 and in contact opening and contact closures
The longitdinal cross-section diagram of the removable key of structure；
Attached drawing 7 and 8 shows one between the electric safety contactor of attached drawing 1 and the structure in attached Figures 5 and 6
The longitdinal cross-section diagram of the removable key of intermediate state；
Attached drawing 9 shows one embodiment of the removable hook of electric safety contactor described in attached drawing 1；
Attached drawing 10a, 10b, 10c and 10d present the plan view of the different embodiments of the hook of attached drawing 9；And
Attached drawing 11a, 11b, 11c and 11d show the removable hook and are assembled into electricity safety contactor described in attached drawing 1
The reciprocating moving component corresponding assembling sequence.
Specific embodiment
The secure electrical contact device having by moving the actuating of activating key 18 of the invention is indicated referring to above-mentioned attached drawing, 1.
According to illustrated embodiment, the electricity safety contactor 1 includes:
The main body 2 of-one electrically insulating material is prolonged along the default longitudinal direction X-X axis between front end 2b and rear end 2a
It stretches；
Connecton layout 5, the wiring for electric conductor；
At least one channel is formed in the main body 2, for allowing electric conductor to pass through the main body 2, to utilize
Its wiring for carrying out above-mentioned connecton layout 5；
- the first electric contact 6 is located near the rear end 2a of the main body 2, and is electrically connected with above-mentioned terminal 5；
- one removable bridge 7 comprising the second electric contact 8, for being contacted with above-mentioned first electric contact 6, with institute
It states and establishes electrical connection between the first electric contact 6；
- one reciprocating moving component 10, along the rear end 2a towards the main body 2 rear end 10a and and its
The default longitudinal direction X-X between opposite front end 10b is axially extending；
- one removable hook 11, and
Elastic device 12 acts between the main body 2 and the reciprocating moving component 10.
According to illustrated embodiment, above-mentioned channel is determined by least one break-through opening being formed in the main body 2.
Preferably, the electric safety contactor includes the cable joint-box 4 of Fluid Sealing, is located at above-mentioned channel or aforementioned
At least one break-through opening.Alternatively, depositing in the case of an electrical conductor, settable resin, glue or other sealing elements with
Seal above-mentioned channel.
According to the illustrated embodiment, above-mentioned connecton layout 5 includes two of the terminal suitable for clamping external electrical conductor independent
Screw terminal.
Alternatively, the connector different from screw terminal can be set, the mode that can provide above-mentioned wiring includes welding, with
For the terminal of an external electrical conductor to be welded direct to the connecton layout, electrical connector etc..
Preferably, above-mentioned reciprocating moving component 10 is supported and is oriented in the main body 2, in the main body 2
Portion implements displacement, the displacement on above-mentioned longitudinal direction X-X at least one translational displacement amount (preferably, above-mentioned longitudinal direction X-X only
Implement a translational displacement), and on the longitudinal direction X-X, reversibly stop position (see attached drawing 5) court is limited from a retraction
It is mobile to forward direction limitation stop position (see attached drawing 6), wherein to limit stop position, the round-trip shifting in the forward direction
The rear end 10a of dynamic component 10 is closer to first electric contact 6.
Above-mentioned elastic device 12 acts between the main body 2 and the reciprocating moving component 10, passes through a predetermined bullet
Property preload (see attached drawing 5) and push the reciprocating moving component 10 to above-mentioned retraction and limit stop position, wherein described removable
In the case that activating key 18 does not have applied force, for example, when the removable activating key is not simultaneously therefore right from the main body 2 removal
When the reciprocating moving component 10 applies any movement, the reciprocating moving component 10 is positioned by the elastic device 12.
Therefore, the reciprocating moving component 10 above-mentioned retraction limitation stop position (see attached drawing 5) correspond to not by
In the case where 18 applied force of removable activating key, i.e., when the removable activating key has been removed from the main body 2, and by
In the case that this no longer applies active force to the reciprocating moving component 10, the round-trip shifting that is positioned by the elastic device 12
The position of dynamic component.
Preferably, above-mentioned hook 11 includes an a rear portion 11a and opposite nose 11b, wherein the rear portion 11a is logical
It crosses articulated mounting to be connected with the front end 10b of the reciprocating moving component 10, the shape of the opposite nose 11b is as one
Hook, to engage the end that the outside moves activating key 18.
In the front 11b of above-mentioned removable hook 11, an outer antetheca for deviating from the rear portion 11a can be determined
14；
Above-mentioned removable bridge 7 is associated in translation with the reciprocating moving component 10, preferably with the round-trip shifting
Dynamic component 10 is rigidly connected in translation, at this time it is contemplated that wherein the movable bridge connects device 7 by the reciprocating moving component
10 embodiments supported by the spring mode of spring insertion.
Preferably, the removable bridge 7 is supported near the rear end 10a of the reciprocating moving component 10.
It should be noted that second electric contact 8 of the removable bridge 7 is:
Stop position is limited selected from retraction limitation stop position and the forward direction when the reciprocating moving component 10 is in
Between setting first limitation stop position when, with first electric contact 6 associated with the main body 2 be in electrical contact；Simultaneously
It is different from the above-mentioned first the second end travel position for limiting stop position when the reciprocating moving component 10 is in
When, their first electric contacts 6 associated with the above-mentioned and described main body 2 are electrically disconnected, and the second end travel position corresponds to
The other limitation stop positions retracted between limitation stop position and forward direction limitation stop position.
According to the illustrated embodiment, the electric safety contactor 1 is normally opened (NO) type, therefore above-mentioned first limitation stops
Position is consistent with above-mentioned forward direction limitation stop position.
Therefore, described removable when the reciprocating moving component 10 is in above-mentioned forward direction limitation stop position (see attached drawing 6)
Second electric contact 8 of dynamic bridge 7 is in contact with first electric contact 6, to build between first electric contact 6
It is vertical to be electrically connected, so that the electricity safety contactor 1 is in a closure contact structures.
Differently, when the reciprocating moving component 10 be in above-mentioned retraction limitation stop position when (see attached drawing 5), it is described can
Second electric contact 8 and above-mentioned first electric contact 6 of mobile bridge 7 disconnect, and the electric safety contactor 1 is located at one
A structure for disconnecting contact.
In the main body 2, a vertical passage 16 is defined, extended in above-mentioned longitudinal direction X-X, allow a removable cause
Dynamic reversible insertion of the key 18 in main body 2, this is for pushing stop to limitation before the insertion reciprocating moving component 10 to
Position is necessary (see attached drawing 5).
Preferred embodiment shown in reference to the accompanying drawings, have in the main body 2 one along the longitudinal direction X-X extend in
Portion's seat, which defines above-mentioned vertical passages 16, wherein the removable hook 11, the round-trip of the spring 12 and part
Component 10 is accommodated in the main body 2.
The internal seat of aforementioned body 2 is open at the front end 2b of the main body 2 itself, described removable to allow
Dynamic activating key 18 is axially inserted into the internal seat from the front end of the main body 2 itself.
Above-mentioned articulated mounting includes the first pivot pin 13, by the reciprocating moving component 10 transverse to the longitudinal direction X-X
It supports, so that the removable hook 11 is translationally integrally formed on above-mentioned longitudinal direction X-X with the reciprocating moving component 10,
The removable hook 11 is allowed reversibly to rotate relative to the reciprocating moving component 10 between following position simultaneously:
One limitation stop position being elevated (see attached drawing 5), wherein the front of the removable hook 11
11b does not interfere insertion of the removable activating key 18 in the vertical passage 16, and
One limitation being lowered stops operation position (see attached drawing 6), wherein the removable hook 11 it is described before
The engagement that portion 11b passes through itself and an end of the removable activating key 18 being inserted into above-mentioned vertical passage 16 of obstruction
Come and overcomes the vertical passage 16.
In this regard, it is noted that the mobile engagement implemented by above-mentioned articulated mounting, so that the round-trip shifting
Dynamic component 10 limits stop position from retraction limitation stop position (see attached drawing 5) to the forward direction on the longitudinal direction X-X
The translation (referring to attached drawing 6) set causes a corresponding translation on the longitudinal direction X-X of the removable hook 11, with
And the removable hook 11 from it is described be elevated limitation stop position to it is described be lowered limitation stop position while it is mobile,
Vice versa.
In the normal operating of the secure electrical contact device 1, the activating key 18 only acts upon the reciprocating moving component
On 10, without interfering the removable hook 11, as described above, the removable hook 11 is in the position being elevated and is lowered
Position between displacement by articulated mounting in the reciprocating moving component 10 fortune that is applied after longitudinal direction X-X translation
Dynamic characteristic is determined.After removing the activating key 18 from the vertical passage 16 of the main body, the spring 12 ensures
The reciprocating moving component 10 limits stop position from the forward direction and retracts recalling for limitation stop position to described.
Differently, under an abnormal operating conditions, for example, if the second electricity touching of the removable bridge 7
Point 8 keeps/welding bonding with first electric contact 6, then the removal of the activating key 18 causes the activating key 18 described
Movement on the front 11b of hook 11, such as the pressure of the reciprocating moving component 10 is caused to retract and the electrical contact
Opening.
It is oriented to interfere the state (example of above-mentioned vertical passage 16 referring to the above-mentioned front 11b of the removable hook 11
Such as, referring to attached drawing 8), the above-mentioned outer antetheca 14 of the front 11b of the removable hook 11 preferably inclines relative to the longitudinal direction X-X
Oblique one angle less than 90 °, to may make the removable hook when pushing the beveled forward portion 11b in the channel 16
Son 11 is elevated limitation stop position into above-mentioned, to generate on the removable hook 11 relative to first pin 13
One rotation torque, thus when acting in the outer front wall 14, so that the opening of the removable hook 11 rotates
It is elevated limitation stop position (referring to attached drawing 5) towards above-mentioned, such as passes through the removable key 18 as shown in Fig. 8, tool
It is parallel to the power F of longitudinal X-X, and is had towards the direction of the reciprocating moving component 10.
This is that there is a situation where while described removable when the removable activating key 18 is inserted into the main body 2
Hook 11 is partially blocked by the vertical passage 16, and the removable hook 11 described at this time is in described and is elevated limitation stop position
(see an attached drawing 5) and middle position being lowered between limitation stop position (see attached drawing 6) (see attached drawing 8).
Therefore, even if when the removable hook 11 is partially blocked by the vertical passage 16, hook 11 is moved at this time
In include it is described be elevated limitation stop position (see attached drawing 5) and be lowered limit between stop position (see attached drawing 6)
One middle position (see attached drawing 8), the above-mentioned inclination of the outer antetheca 14 of the front 11b of above-mentioned removable hook 11
It can be ensured that the removable activating key 18 is inserted into the above-mentioned vertical passage 16 of the main body 2.
As shown in Fig. 7, this be during the opening stage of the secure electrical contact device 1 it can happen that, at this time
The removable activating key 18 can be removed, but since the spring 12 acts in the reciprocating moving component 10, component
Between existing obstruction can prevent the removable hook 11 it is described be elevated limitation stop position (see attached drawing 5) complete rotation
Turn, thus a part of the front 11b of the removable hook 11 block above-mentioned vertical passage 16 a part (referring to
Attached drawing 8), which prevent new insertion of the free end of the removable activating key 18 in above-mentioned vertical passage 16.Even,
As shown in the beginning of specification, in the electric safety contactor with previously known removable activating key actuating,
The portion of the above-mentioned vertical passage for being inserted into the removable activating key in the main body of the secure electrical contact
The case where point obstruction, causes the electric safety contactor in the case where be not actually inserted into the removable activating key
Undesired closure, the result is that after removing the removable brake key, then it is impossible for opening the electric safety contactor.
Unlike, as highlighted above, it is described by meeting in the case where secure electrical contact device 1 of the present invention
The front end of the removable activating key 18 on the outer antetheca 14 of the front 11b of the hook of removable hook 11
Pressure generate above-mentioned rotation torque, cause first pin 13 around the removable hook 11 to be elevated towards above-mentioned
The opening rotation for limiting stop position (referring to attached drawing 5), to restore the correct construction of the secure electrical contact device 1, it is clear that be
In the removable activating key 18 again insertable into rear, when by being closed it (referring to attached drawing 6) subsequent correct operation.
Another additional or alternative aspect of electricity safety contactor 1 according to the present invention, above-mentioned first pivot pin 13
Engagement is located at a First 15a in the rear portion 11a of the removable hook 11, and the First 15a is constituted can be from
The bottom end of the first close open slot 15 of the outside of the rear portion 11a of the removable hook 11, to allow the rear portion 11a
Above-mentioned open slot 15 be inserted on first pivot pin 13.
Preferably, when the removable hook 11, which is in it, is elevated limitation stop position (see attached drawing 5), described first
Open slot 15 be oriented such that it is described opening towards the main body 2 the front end 2b (left side in attached drawing 2) or relative to
The direction, which at most rotates, is no more than 90 °.
Preferably, above-mentioned articulated mounting further include:
- one the second pin 19, is supported by the main body 2, is parallel to first pin 13, and
- one corresponding second slot 21, is preferably in the rear portion 11a of the removable hook 11, for holding
Second pin 19 is received, to allow relative rotation and relative translation between second pin 19 and second slot 21.
Preferably, above-mentioned second slot 21 is also an open slot, can be from the rear portion 11a's of the removable hook 11
Outside is close, to allow second slot 21 to be inserted on second pivot pin 19.
According to the content being described above, between first slot 15 and first pin 13 and second slot 21
Mobile engagement between second pin 19, it is determined that on the longitudinal direction X-X of the reciprocating moving component 10, from described
The translation of limitation stop position (see attached drawing 5) to forward direction limitation stop position (see attached drawing 6) is retracted, causes equally to be described
A translation and the removable hook 11 of the removable hook 11 on the longitudinal direction XX are elevated limitation stopping from described
Movement while position (see attached drawing 5) is lowered limitation stop position (see attached drawing 6) described in, vice versa.
Therefore, between second slot 21 and second pin 19, an even control orbit coupling is determined
(desmodromic coupling), movement law are determined by the construction of second slot 21.
Preferably, above-mentioned second pin 19 is located in a height different from first pin 13 in the main body 2,
Preferably, relative to first pin 13, the longitudinal axis X-X wider interval of second pin 19 and the vertical passage 16.
Preferably, above-mentioned first pin 13 is located at the vertical passage 16, as shown in the drawing.
The structure (see attached drawing 5) of above-mentioned retraction limitation stop position is in referring to the reciprocating moving component 10, described
On longitudinal XX, second pin 19 is compared, the rear end 2a of first pin 13 and the main body 2 is at a distance of farther.
Referring to the removable activating key 18, it should be noted that: the latter includes that the end of bar a 18b, the bar 18b have one
A free end 18a, when in the above-mentioned vertical passage 16 that it is inserted into the main body 2, the free end 18a acts on described
In reciprocating moving component 10, reversibly from retraction limitation stop position (see attached drawing 5) by the reciprocating moving component 10
Push forward direction limitation stop position (see attached drawing 6) to, and is engaged with the front 11b of the removable hook 11.
Therefore, thus above-mentioned kinetic characteristic ensures that the removable activating key 18 is correctly inserted into the main body 2 always
In the vertical passage 16, so that it is guaranteed that the secure electrical contact device 1 correctly closes or opens state.
It should be noted that (see attached drawing 6) in the above structure that the reciprocating moving component 10 is in the forward end state,
By the rear end 10a of the reciprocating moving component 10 removable bridge 7 carried second electric contact 8 with
Above-mentioned first electric contact 6 contacts, while the preceding free end 18a of the removable activating key 18 engages the removable hook
The 11 front 11b, so that the removable activating key 18 is recalled from the position, i.e., the described removable activating key 18 is from described
The removal of the vertical passage 16 of main body 2 so that the reciprocating moving component 10 by after the spring 12 to movement, and really
The fixed removable hook 11 from above-mentioned reduction limitation stop position (see attached drawing 6) to it is above-mentioned be elevated limit stop position (see
Attached drawing 5) one simultaneously channel.
Only when the effect broken down and the spring 12 is applied in the reciprocating moving component 10 is insufficient to allow
When the reciprocating moving component 10 is moved to the retraction limitation stop position from forward direction limitation stop position, the actuating
The free end 18b of key 18 can just be acted on the hook portion 11b, promote the reciprocating moving component 10 from the forward direction
Limitation stop position (see attached drawing 6) is dragged to retraction limitation stop position (see attached drawing 5), to interrupt first electricity
Electrical connection between contact 6.
Referring to attached drawing 11a, 11b, 11c and 11d, sequentially show can by the removable hook 11 with it is described round-trip
The associated sequence of moving parts 10, substantially: firstly, the removable hook 11 is assembled into the reciprocating moving component 10
The rear end 10b, then the longitudinal direction that the hook-reciprocating moving component component is inserted into the main body 2 can be led to
In road 16, since open front, be then arranged from the top of the bridge 7 be inserted into the reciprocating moving component 10 it is described before
It holds on 10a, to prevent the hook-reciprocating moving component component from deviating from from the vertical passage 16 of the main body 2.
It should be noted that attached drawing 10a, 10b, 10c and 10d show the hook of attached drawing 9 according to the embodiment
Respective planes figure.
The electric safe contact activated by removable activating key according to the present invention is appreciated that from the content having been described
Device is facilitated and meets above-mentioned requirements, and at the same time overcoming the prior art disadvantage mentioned in the background technique of this specification.It is practical
On, there is the electric safety contactor of removable activating key actuating to allow to remedy such situation, wherein the removable actuating
The removal of key passes through while with the secure electrical contact device opened in electric contact structure at one, also because of internal mechanism
The result that one part, especially hook 11 reactivate.
It is further clear that even if the removable hook portions ground resistance, which is blocked, is stated vertical passage, institute of the invention
It states electric safety contactor and ensures a possibility that removable activating key is correctly inserted into the vertical passage of the main body,
It does not need to minimize height gap to allowing for the removable activating key to be inserted into needed for above-mentioned vertical passage.Therefore,
Device compared with the existing technology, the electric safety contactor of the invention have allowed the key bigger in above-mentioned vertical passage
The insertion of range.
In addition, being once inserted into removable hook, i.e., the installation of the mountable electric safety contactor is inserted into without implementing
The property of the operation of pin etc can greatly simplify a possibility that assembling electric safety contactor, Er Qiexiang relative to previously known model
For prior art model, the present invention reduces the size and overall dimensions of the electric safety contactor significantly.
Obviously, those skilled in the art are to meet possible and specific needs, can be according to the present invention for can
The electric safety contactor of mobile activating key actuating is variously changed and changes, but all these is included in such as appended power
Benefit requires in defined the scope of the present invention.
Thus, for example being arranged in when a slot and a second part determine one between two coupling units of first part
A pin is come in the case of engaging the slot, it is possible to provide Double-casing, wherein second part determines the slot, and the first part determines
Engage the pin of the slot.
If the of the invention electric safety contactor is closed type (NC), the reciprocating moving component it is above-mentioned
First limitation stop position is consistent with the above-mentioned retraction end position of the reciprocating moving component, because first electric contact is determined
Position are as follows: when the reciprocating moving component is located at the first limitation stop position consistent with retraction limitation stop position,
Flexibly shift by second electric contact carried by the removable bridge (on the longitudinal direction, and separate main body
Rear end).
Claims (11)
1. by the electric safety contactor for moving activating key actuating comprising:
Main body (2), is formed of an electrically insulating material, along the default longitudinal axis (X-X) between front end (2b) and rear end (2a)
Extend；
It is formed at least one channel in the main body (2), is used for so that electric wire extends through the main body (2)；
First electric contact (6), it is associated with the main body (2), and including the first contact (6a) and the second contact (6b), the two
It is accommodated in the protected position in the main body (2), and is electrically insulated from each other；
Connecton layout (5) is used to ensure being electrically connected for first contact (6a) and second contact (6b) and external cable
It connects；
Removable bridge (7) comprising the second electric contact (8), second electrical pickoff (8) are designed to: described in contact
First electric contact (6) is electrically connected to establish between first electric contact (6)；
Reciprocating moving component (10), along the rear end (10a) and corresponding thereto of rear end (2a) towards the main body (2)
The default longitudinal axis (X-X) between front end (10b) extends, the reciprocating moving component (10) be supported in the main body (2) and
Guiding, to be moved in this way in the main body (2): at least one translational displacement amount is moved along the longitudinal axis (X-X),
And a forward direction limitation stop position reversibly is moved to from a backward limitation stop position along the longitudinal axis (X-X)
It sets, wherein limit stop position in the forward direction, the rear end (10a) of the reciprocating moving component (10) is closer to described
The rear end of main body (2), and,
Removable hook (11) comprising the front end (10b) of the reciprocating moving component (10) is connected to by articulated mounting
Rear portion (11a), and the form of hooks front (11b) of an end for engaging removable activating key (18), the front
(11b) has an outer antetheca (14) away from the rear portion (11a)；
Elastic device (12) acts on the reciprocating moving component (10), described in a default elastic preload biasing
Reciprocating moving component (10) is towards the backward limitation stop position；
Wherein:
The removable bridge (7) and the reciprocating moving component (10) are translationally associated；
Longitudinal bridge (16) is limited in the main body (2) and extends along the longitudinal axis (X-X), to allow
The removable activating key (18) is reversibly introduced into the main body (2) and biases the reciprocating moving component (10) direction
The forward direction limits stop position；
When the reciprocating moving component (10) are in from the backward limitation stop position and forward direction limitation stop position
When the first limitation stop position of selection, second electric contact (8) of the removable bridge (7) with the main body
(2) associated first electric contact (6) electrical contact, and
When the reciprocating moving component (10) are in the second limitation stop position for being different from the first limitation stop position,
Second electric contact (8) of the removable bridge (7) is with first electric contact associated with the main body (2)
(6) electrically disconnected, and
The articulated mounting includes: the first pivot pin (13), and first pivot pin (13) is by the reciprocating moving component (10)
Support is transverse to the longitudinal axis (X-X), so that the removable hook (11) is translated along the longitudinal axis (X-X)
Ground is rigidly connected to the reciprocating moving component (10), and makes the removable hook (11) relative to the round-trip shifting
Dynamic component (10) reversibly pivots between following positions:
The limitation stop position of promotion, wherein the front (11b) allows removable activating key (18) to be introduced in described indulge
To channel (16)；And
Reduced limitation stops operation position, wherein the front (11b) extends beyond the vertical passage (16) and hinder
The engagement of itself and the end for a removable activating key (18) being inserted into the vertical passage (16)；
It is characterized in that, blocking the vertical passage (16) when the front (11b) of the removable hook (11) is in
When position, the outer antetheca (14) of the front (11b) is formed slopely an angle less than 90 ° to the longitudinal axis (X-X), from
And make when the inclined front (11b) is biased in the vertical passage (16), removable hook (11) quilt
It is moved to the limitation stop position of the promotion, to generate on the removable hook (11) relative to first pivot
(13) rotation torque；When the outer antetheca (14) is extended and is directed toward along the axis for being parallel to the longitudinal axis (X-X)
The masterpiece used time of the reciprocating moving component (10), the rotation torque make the removable hook (11) be elevated limit to described
Stop position processed pivotally opens, even described removable to allow mobile activating key (18) to be introduced in the main body (2)
Hook (11) partiallys obstruct the vertical passage (16) and is elevated limitation stop position in described and described is lowered
Limit a middle position of stop position.
2. electricity safety contactor as described in claim 1, it is characterised in that: first pivot pin (13) moves with described
The First (15a) at the rear portion (11a) of hook (11) engages, and the First (15a) limits the bottom end of the first open slot (15),
First open slot (15) can enter from the external of the rear portion (11a) of the removable hook (11), to allow described open
Mouth slot (15) is assemblied on the rear portion (11a) on first pivot pin (13).
3. electricity safety contactor as claimed in claim 2, it is characterised in that: when the removable hook (11) is in the quilt
When promoting limitation stop position, first open slot (15) is oriented open front of its opening towards the main body (2)
It (2b) or at most rotates relative to the direction no more than 90 °.
4. electricity safety contactor as claimed in claim 2 or claim 3, it is characterised in that: the articulated mounting includes: the second pin
(19), first pin (13) is supported and is parallel to by the main body (2), and
Corresponding second slot (21) is formed in the removable hook (11), to accommodate second pin (19), is allowed in
Relative rotation and relative translation between second pin (19) and second slot (21),
Wherein:
Second slot (21) is an open slot, can from the outside at the rear portion (11a) of the removable hook (11) into
Enter, to allow second slot (21) to be assemblied on second pivot pin (19), and,
Due between first slot (15) and the first pin (13) and between second slot (21) and the second pin (19)
The movement engagement established, the reciprocating moving component (10) are stopped along the longitudinal axis (X-X) from the backward limitation
The translation that stop bit sets the forward direction limitation stop position also makes: the removable hook (11) is along the longitudinal axis
(X-X) translation and the removable hook (11) limit stop position from the promotion and limit stop position to the reduction
While it is mobile, vice versa, sells between (19) in second slot (21) and described second, second slot (21) and described
An even control orbit coupling is established between second pin (19).
5. electricity safety contactor as claimed in claim 4, it is characterised in that: second pin (19) is located at the main body (2)
Upper, different from first pin (13) height；Preferably, compared to it is described first pin (13), it is described second pin (19) with it is described
The distance of the longitudinal axis (X-X) of vertical passage (16) is bigger.
6. electricity safety contactor as described in claim 4 or 5, it is characterised in that: first pin (13) and the longitudinal direction are logical
Road (16) flushes.
7. the electric safety contactor as described in claim 4,5 or 6, it is characterised in that: at the reciprocating moving component (10)
When the backward limitation stop position, compared to second pin (19), the rear end of first pin (13) and the main body (2)
The distance of (2a) is farther out.
8. the electric safety contactor as described in any one of claims 1 to 7, it is characterised in that: the main body (2) includes inside
Seat, along the longitudinal direction (X-X) extend, with limit the vertical passage (16) and accommodate the removable hook (11) and
It partly accommodates the reciprocating moving component (10), the internal seat is to open at the front end (2b) of the main body (2)
, to allow removable activating key (18) to be axially introduced into the internal seat.
9. such as electric safety contactor described in any item of the claim 1 to 8, it is characterised in that:
First electric contact (6) is located near the rear end (2a) of the main body (2), and
When the reciprocating moving component (10) are in the first limitation stop position consistent with forward direction limitation stop position,
Second electric contact (8) of the removable bridge (7) is with first electric contact associated with the main body (2)
(6) it is in electrical contact, wherein in the first limitation stop position, the reciprocating moving component (10) is by removable activating key (18)
It is pushed.
10. such as electric safety contactor described in any item of the claim 1 to 8, it is characterised in that: first contact and described
Second contact is in such position, i.e., when the reciprocating moving component is in and the backward limitation stop position consistent the
One limitation stop position when, they can by second electric contact of the removable bridge along the longitudinal axis flexibly
It is mobile, the rear end far from the main body.
11. electricity safety contactor according to any one of claim 1 to 9, it is characterised in that: including moving activating key
(18), the removable activating key includes bar, and the bar has the vertical passage for being inserted longitudinally into the main body (2)
(16) free end (18a) in, to act on the removable hook (11), thus by the reciprocating moving component (10) from
The backward limitation stop position reversibly shifts the forward direction limitation stop position, and the front with the removable hook onto
(11b) is engaged.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102017000077432A IT201700077432A1 (en) | 2017-07-10 | 2017-07-10 | ELECTRICAL SAFETY CONTACT WITH DRIVE USING REMOVABLE KEY |
| IT102017000077432 | 2017-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109243917A true CN109243917A (en) | 2019-01-18 |
| CN109243917B CN109243917B (en) | 2022-10-25 |
Family
ID=61005902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810751008.XA Active CN109243917B (en) | 2017-07-10 | 2018-07-10 | Electric safety contactor actuated by movable actuating key |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3428943B1 (en) |
| CN (1) | CN109243917B (en) |
| ES (1) | ES2797558T3 (en) |
| IT (1) | IT201700077432A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100025196A1 (en) | 2021-09-30 | 2023-03-30 | Astra S R L | ELECTRIC SAFETY CONTACT ACTIVATED BY REMOVABLE ACTIVATION KEY |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2428295A1 (en) * | 1974-06-12 | 1976-01-02 | Paul Merkle | INTERMEDIATE LEVER FOR SAFETY SWITCH WITH LOCK |
| DE3819753A1 (en) * | 1988-06-10 | 1989-12-14 | Kronenberg Gmbh H & J | SAFETY SWITCH |
| DE29720862U1 (en) * | 1997-11-25 | 1998-01-15 | Hans Bernstein Spezialfabrik für Schaltkontakte GmbH & Co, 32457 Porta Westfalica | Safety switch |
| CN1173726A (en) * | 1996-08-13 | 1998-02-18 | K·A·施梅尔索尔公司 | Safety switch |
| CN102262963A (en) * | 2010-05-26 | 2011-11-30 | 洛克威尔自动控制股份有限公司 | Safety switch |
| WO2012113102A1 (en) * | 2011-02-25 | 2012-08-30 | Honeywell International Inc. | Electrical switch system and electrical switch assembly |
| JP5391068B2 (en) * | 2007-09-06 | 2014-01-15 | Ｉｄｅｃ株式会社 | Switch device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2428458C3 (en) * | 1974-06-12 | 1981-04-02 | Paul 7032 Sindelfingen Merkle | Key-operated switch locking device with a flat pin lock |
-
2017
- 2017-07-10 IT IT102017000077432A patent/IT201700077432A1/en unknown
-
2018
- 2018-07-09 ES ES18182489T patent/ES2797558T3/en active Active
- 2018-07-09 EP EP18182489.7A patent/EP3428943B1/en active Active
- 2018-07-10 CN CN201810751008.XA patent/CN109243917B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2428295A1 (en) * | 1974-06-12 | 1976-01-02 | Paul Merkle | INTERMEDIATE LEVER FOR SAFETY SWITCH WITH LOCK |
| DE3819753A1 (en) * | 1988-06-10 | 1989-12-14 | Kronenberg Gmbh H & J | SAFETY SWITCH |
| CN1173726A (en) * | 1996-08-13 | 1998-02-18 | K·A·施梅尔索尔公司 | Safety switch |
| DE29720862U1 (en) * | 1997-11-25 | 1998-01-15 | Hans Bernstein Spezialfabrik für Schaltkontakte GmbH & Co, 32457 Porta Westfalica | Safety switch |
| JP5391068B2 (en) * | 2007-09-06 | 2014-01-15 | Ｉｄｅｃ株式会社 | Switch device |
| CN102262963A (en) * | 2010-05-26 | 2011-11-30 | 洛克威尔自动控制股份有限公司 | Safety switch |
| WO2012113102A1 (en) * | 2011-02-25 | 2012-08-30 | Honeywell International Inc. | Electrical switch system and electrical switch assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2797558T3 (en) | 2020-12-02 |
| EP3428943B1 (en) | 2020-04-22 |
| EP3428943A1 (en) | 2019-01-16 |
| CN109243917B (en) | 2022-10-25 |
| IT201700077432A1 (en) | 2019-01-10 |
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