CN1870202A - Shield mechanism for overloading relay - Google Patents
Shield mechanism for overloading relay Download PDFInfo
- Publication number
- CN1870202A CN1870202A CNA2005100843569A CN200510084356A CN1870202A CN 1870202 A CN1870202 A CN 1870202A CN A2005100843569 A CNA2005100843569 A CN A2005100843569A CN 200510084356 A CN200510084356 A CN 200510084356A CN 1870202 A CN1870202 A CN 1870202A
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- CN
- China
- Prior art keywords
- closure mechanism
- binding post
- visit
- terminal screw
- fully
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Abstract
The invention provides a cover setup which is used to over load relay, the mentioned cover setup is suit to provide complete visit of connection pole and connection pole screw (9), the cover setup containing whirligig setting provided by cover setup on crust (2), setting (7 and 8) used to close the cover setup (1) and cover (2), several holes that have certain structure and used to provide the visit of connection pole and connection pole screw of relay.
Description
Technical field
The present invention relates to a kind of closure mechanism that is used for overload relay.Relate in particular to the overload relay closure mechanism that to visit binding post and terminal screw fully, thereby use less strength just can easily visit cable connection post and standard compliant finger guard standard of while.
Background technology
Traditionally, the closure mechanism of overload relay firmly is fixed on the relay1 case, and perhaps closure mechanism is installed on the described shell promptly to insert mode.
Under closure mechanism firmly is fixed on situation on the relay1 case, when the user capture binding post,, make him the visit of pairs of posts be restricted because the diameter in the hole of closure mechanism is limited.Closure mechanism was installed in situation on the described relay1 case in the mode of promptly inserting under, the user need open closure mechanism, thereby accomplishes to visit fully binding post.The user can do like this, but can not guarantee that this user can shut closure mechanism, and this is to violate finger guard (safety) standard.And promptly inserting installing mechanism may suffer damage, because this mechanism is a frangible part of closure mechanism, this will cause not meeting the finger guard standard.When relay was worked, the inspection of pairs of posts is difficulty relatively simultaneously, because the installing mechanism of promptly inserting of closure mechanism needs destroyed.
AT404752B has disclosed an attachment device that is used for the closure mechanism of shell, this closure mechanism and shell can be assembled together by a pin and a sunk structure that pins this pin, provide a locking system in a distance by screw and cooperating of screwed hole.In order to realize simple latch functions, the screw that this invention provides is limited in slotting the fastening that drills through, the head of screw is received, thereby can move axially between the stenosis area of the diameter major part of inserting the ledge structure fasten the hole and this hole, the diameter major part in described hole is greater than the diameter of screw head.
JP2001319707 discloses an assembly, this assembly comprises an Insulating frame, one is positioned at the terminal screw nail that is installed in the mains side on this Insulating frame, clamping binding post device in the load side, one connects the connecting plate of described clamping binding post device and terminal screw nail, and one is positioned at the binding post lid of load side, and described binding post lid covers described clamping binding post device and terminal screw nail, on Insulating frame, and the binding post lid that is positioned at mains side.On the relay wiring pole panel, the terminal screw nail is connected to be used for distribution with the contactor binding post of load side, the wire binding post that wherein is positioned at the load side is inserted into/is connected to clamping binding post device, the binding post lid that is positioned at the binding post lid of load side and is positioned at mains side is made into independent parts, and it is hinged with a pair of left and right sides support column to be installed on the support arm that each binding post covers, described left and right sides support column vertically gets up from the center of Insulating frame, and described binding post lid that is positioned at the load side and the binding post lid that is positioned at mains side are supported to accomplish independent ON/OFF.
Usually, the inefficacy/damage of a lot of switchgear/overload relays causes owing to inappropriate binding post.The inventor has found that now hinged closure mechanism meets safety standard to be suitable for promptly inserting also, is implemented in when it is opened fully and visits binding post fully, thereby suitable phase place binding post is provided, and has reduced the possibility of overload relay inefficacy/damage.This closure mechanism has the perforate of definite structure, is implemented in that pairs of posts conducts interviews when not opening closure mechanism.The inventor also finds, by the mobile hinge that carries out certain limitation with described closure mechanism, and the visit fully of terminal and the terminal screw nail that can achieve a butt joint, this point was not mentioned in above-mentioned prior art.Use this mechanism, just pairs of posts is checked at an easy rate.
Summary of the invention
A basic purpose of the present invention provides the visit fully to lead phase place binding post, simultaneously standard compliant finger guard standard.
Another object of the present invention is conveniently to carry out fastening operation, during with same moment of torsion secure wires binding post, compares with the screw washer that uses in the traditional similar device, and the present invention needs less power just can finish fastening operation.
In addition, the present invention can also make things convenient for the inspection of pairs of posts, the inspection of the terminal that can achieve a butt joint simply at any time.According to main purpose of the present invention, the invention provides a kind of closure mechanism that is used for overload relay, this closure mechanism is fit to provide the visit fully of pairs of posts and terminal screw, and this closure mechanism comprises:
(i) provide the device that rotatablely moves for the closure mechanism that is positioned on the shell;
(ii) closure mechanism and described shell are realized the device that fastens, and;
The a plurality of holes that (iii) have definite structure are in order to provide the visit to the binding post and the terminal screw of relay.
Description of drawings
Fig. 1 shows the closure mechanism that is in closed condition of the present invention.
Fig. 2 shows the closure mechanism of opening that is hinged of the present invention.
Fig. 3 shows the front view of the closure mechanism that is hinged that is in open mode.
Embodiment
In the present invention, the shell of overload relay comprises the binding post closure mechanism.This closure mechanism comprises the device that rotatablely moves that is used to produce with respect to closure mechanism.Described device comprises the hinge at the outer casing bottom two ends that are positioned at overload relay, makes that this closure mechanism can be around hinged axle rotation.Described hinge is remaining on outer casing bottom with described closure mechanism, described hinge has the fixedly degree of freedom, to offer limited rotatablely move of closure mechanism, closure mechanism is positioned on the position, to visit binding post and terminal screw fully with respect to hinge axes.The bottom enclosure of overload relay comprises specific profile, is fit to limited the rotatablely moving of this closure mechanism.This hinge has the fixedly degree of freedom, makes when this closure mechanism is opened fully, can visit binding post fully, thereby can allow the screwdriver of large-size to enter shell, uses less strength just can tighten binding post and terminal screw.
Closure mechanism of the present invention comprises closure mechanism is fastened to buckling device on the relay1 case.Described buckling device is included in the jut on described closure mechanism top, makes when this jut to this closure mechanism applies downward power, and this closure mechanism can be opened around hinged axis rotation.The said structure of closure mechanism, jut and hinge, be fit to open this closure mechanism, visit the phase place binding post and the terminal screw of overload relay fully, described phase place binding post is connected with cable lug with cable with terminal screw, and allows to use the screwdriver of large-size to tighten this terminal screw.
The jut of this closure mechanism just enters in the fluting that is provided on the shell of relay, thereby provides suitable locking when this closure mechanism is replaced, simultaneously standard compliant finger guard standard.
This closure mechanism comprises a plurality of holes, and described these holes have certain degree of depth on closure mechanism, visit phase place binding post and terminal screw when being adapted at closure mechanism and being in closed condition.This hole is positioned on the surface of this closure mechanism, makes this hole be positioned at the top of terminal screw head just, and the diameter in this hole is determined by the distance on the surface of the surface of screw and this closure mechanism.These a plurality of holes have certain diameter, and are as a whole with this closure mechanism, and these holes move to different positions along with rotatablely moving of closure mechanism, and are fit to visit binding post and terminal screw.
The closure mechanism that is in closed condition of the present invention has been shown in the accompanying drawing 1.The closure mechanism 1 that is hinged is positioned on the shell 2 of overload relay.This closure mechanism 1 is hinged at fulcrum 3, and this closure mechanism comprises the hole 4 of the heterogeneous binding post that is used for relay, and this binding post is connected with cable 6 with cable lug 5.In the accompanying drawings, the jut 7 of this closure mechanism 1 just enters in the fluting 8 of shell 2.
The closure mechanism that is in open mode of the present invention has been shown in the accompanying drawing 2.Although the closure mechanism that is hinged 1 is in open mode, can visit cable lug 5 and cable 6 fully by this mechanism's bottom sides.When this closure mechanism 1 is in open mode, can visit cable lug 5 and cable 6 from bottom sides simultaneously, and terminal screw 9 (referring to accompanying drawing 3) is asked in interview in the past.
Claims (8)
1. closure mechanism that is used for overload relay, described closure mechanism is fit to provide the visit fully of pairs of posts and terminal screw, and described closure mechanism comprises:
(i) provide the device that rotatablely moves for the closure mechanism that is positioned on the shell;
(ii) closure mechanism and described shell are realized the device that fastens, and;
The a plurality of holes that (iii) have definite structure are in order to provide the visit to the binding post and the terminal screw of relay.
2. closure mechanism as claimed in claim 1 is characterized in that, describedly comprises hinge for closure mechanism provides the device that rotatablely moves, and described hinge is positioned at the two ends of described relay1 case bottom.
3. closure mechanism as claimed in claim 2, it is characterized in that, described hinge has the fixedly degree of freedom, offering limited rotatablely move of closure mechanism with respect to hinge axes, and makes closure mechanism be positioned one can to visit fully on the position of binding post and terminal screw.
4. closure mechanism as claimed in claim 3, it is characterized in that, described hinge has the fixedly degree of freedom, make when described closure mechanism is opened fully, can visit binding post fully, even be fit to use less strength to tighten binding post and terminal screw with the screwdriver of large-size.
5. closure mechanism as claimed in claim 1 is characterized in that, described device with closure mechanism and described shell realization fastening comprises the jut on closure mechanism top, firmly can open described closure mechanism downwards to described jut.
6. closure mechanism as claimed in claim 5, it is characterized in that, described jut is a kind of like this structure, and described structure just enters in the fluting that is provided on the shell of described relay, and is fit to form the suitable locking of standard compliant finger guard standard.
7. closure mechanism as claimed in claim 1, it is characterized in that described a plurality of holes are positioned on the surface of described closure mechanism, form an integral body with described closure mechanism, these holes move to different positions along with rotatablely moving of closure mechanism, and are fit to visit binding post and terminal screw.
8. closure mechanism as claimed in claim 7 is characterized in that, described closure mechanism is positioned to be fit to visit fully binding post and terminal screw.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN633MU2005 | 2005-05-25 | ||
| IN633/MUM/05 | 2005-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1870202A true CN1870202A (en) | 2006-11-29 |
Family
ID=37443819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100843569A Pending CN1870202A (en) | 2005-05-25 | 2005-07-19 | Shield mechanism for overloading relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1870202A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261912B (en) * | 2007-03-08 | 2010-12-22 | Ls产电株式会社 | Case for circuit breaker with monolithic door |
| CN103021725A (en) * | 2012-12-24 | 2013-04-03 | 宏秀电气有限公司 | High-voltage switch |
| CN106788037A (en) * | 2017-01-10 | 2017-05-31 | 四川埃姆克伺服科技有限公司 | A kind of servo-drive power input interface structure and servo-driver |
-
2005
- 2005-07-19 CN CNA2005100843569A patent/CN1870202A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261912B (en) * | 2007-03-08 | 2010-12-22 | Ls产电株式会社 | Case for circuit breaker with monolithic door |
| CN103021725A (en) * | 2012-12-24 | 2013-04-03 | 宏秀电气有限公司 | High-voltage switch |
| CN103021725B (en) * | 2012-12-24 | 2016-02-03 | 宏秀电气有限公司 | A kind of high-voltage switch gear |
| CN106788037A (en) * | 2017-01-10 | 2017-05-31 | 四川埃姆克伺服科技有限公司 | A kind of servo-drive power input interface structure and servo-driver |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20061129 |