CN101364504B - Operating mechanism for circuit breaker - Google Patents
Operating mechanism for circuit breaker Download PDFInfo
- Publication number
- CN101364504B CN101364504B CN2008101210675A CN200810121067A CN101364504B CN 101364504 B CN101364504 B CN 101364504B CN 2008101210675 A CN2008101210675 A CN 2008101210675A CN 200810121067 A CN200810121067 A CN 200810121067A CN 101364504 B CN101364504 B CN 101364504B
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- cover plate
- plate
- circuit breaker
- clamping groove
- screw
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Abstract
The invention relates to an operating mechanism of a circuit breaker, particularly to an operating mechanism of a circuit breaker, a cover plate of which can be conveniently disassembled and assembled. The operating mechanism comprises a cover plate, a right side plate and a left side plate; projecting lugs are arranged on the back sides of the left and the right side plates and used for being connected with a base of a circuit breaker body; clamping grooves are formed on the upper end surfaces of the left and the right side plates close to the front and the rear sides; the openings of the clamping grooves are positioned on the front sides; and tenons matched with the clamping grooves are correspondingly arranged on the cover plate. The operating mechanism is characterized in that a lock groove is formed on the side wall of the cover plate, which is opposite to the side plate; a screw hole is formed on one side plate correspondingly and vertically penetrates the side plate; a lock screw passes through the screw holes and is matched with the rear side wall of the lock groove.
Description
Technical field
The present invention relates to a kind of circuit breaker operation mechanism, particularly a kind of operating mechanism of circuit breaker of conveniently detachable cover plate.
Background technology
In the at present common circuit breaker operation mechanism, its cover plate and the one draw bail of side plate are that what to adopt is that cover plate is connected by trip with side plate, cover plate is connected with the lug screw of side plate and realizes fixedlying connected of cover plate and side plate then, and side plate is also realized by being connected of this screw with the fixedly connected of this susceptor body simultaneously, as China Patent No. is 02137898.3, Granted publication day is to be on July 14th, 2004 " cover plate of circuit breaker operation mechanism and the draw bail of side plate " to adopt similar structure, and the defective that this structure exists is: owing to what adopt between cover plate and the breaker body pedestal is the screw locking, therefore when the dismounting cover plate, whole operation mechanism all will unload by pine, thereby can bring influence to the performance and the technical parameter of circuit breaker.Another kind of its cover plate and side plate then do not adopt the screw attachment structure, as China Patent No. is 200720043015.1, Granted publication day is on July 9th, 2008, name is called and is disclosed in the patent document of " locking device of circuit breaker operation mechanism cover plate ": the both sides of cover plate respectively extend a pair of be used for being embedded on the biside plate the tenon that goes of prefabricated clamping groove, be positioned on the side plate tenon below be provided with elastic locking device, when tenon is advanced backward facing to clamping groove and cover plate in the past tenon is embedded in the clamping groove, utilize elastic locking device that tenon is locked then, thereby cover plate is fixed on the side plate, in the time will drawing off cover plate, the end face of aiming at locking plate with instrument such as screwdriver presses down, make locking plate descending, remove it to the stopping of the tenon on the cover plate, can extract cover plate.This structure no doubt can be installed and fast quick-detach cover plate is quick, but this locking device structure more complicated, higher to processing request, and elastic construction its reliability comparatively speaking is also limited, with very easily making afterwards elastic component fatigue whole locking device was lost efficacy for a long time, the more important thing is that the user needs a hand to press down locking plate another hand with screwdriver and pulls out cover plate when unloading cover plate, obviously operation is very difficult like this, particularly generally speaking in order to guarantee the reliability and stability of cover plate installation, need all establish such locking device at the side of biside plate, difficult more when unloading cover plate like this, a people can not finish, need many people compounding practice, obviously, such structure is still inconvenient.
Summary of the invention
The objective of the invention is to solve the deficiency of the draw bail of the cover plate of above-mentioned circuit breaker operation mechanism and side plate, and provide the draw bail of a kind of cover plate and side plate simple, easy accessibility, connect reliable circuit breaker operation mechanism.
The objective of the invention is to realize by following technical solution: a kind of circuit breaker operation mechanism, include a cover plate and a left side, right plate, on a left side, the lug that the rear side of right plate all is provided with outside bending is used for being connected with this susceptor body of circuit breaker, on a left side, the forward rear side in the upper surface of right plate is respectively equipped with clamping groove, the opening of clamping groove is positioned at its front side, the corresponding tenon that matches with clamping groove that is provided with on the described cover plate, be characterized in: on the cover plate sidewall relative, also be provided with a lock groove with side plate, the corresponding screw that vertically passes side plate that is provided with on side plate, lock screw is passed the rear wall clamping matching of screw and lock groove.
Preferred version of the present invention is: its screw thread of described lock screw is arranged at rear side, and its front side is a cylinder, and this cylindrical diameter equates with the width of lock groove.
Another preferred version of the present invention is: described clamping groove is the ┛ shape.
A preferred version more of the present invention is: be provided with short slot between the clamping groove of front and back, the lower wall of this short slot and the lower wall of clamping groove be level mutually, and the corresponding boss gland that is provided with of the sidewall of described cover plate is on the lower wall of this short slot.
Another preferred version of the present invention is: described lock bolt is arranged between short slot and the rear side ┛ shape clamping groove.
The invention has the beneficial effects as follows: stick into the clamping groove of side plate when tenon after cover plate, again the precession screw is made the front end of screw be embedded in the lock groove of cover plate, just cover plate can be locked fully, and when desiring to unload lower cover, the screw of only need back-outing, just cover plate can be pulled out forward and unload lower cover, operation is very easy and it is reliable to install, and simple in structure.
Description of drawings
Fig. 1 is the structural representation of the embodiment of circuit breaker operation mechanism of the present invention
Fig. 2 is the schematic diagram that connects of cover plate and side plate in the embodiment of the invention
Fig. 3 is another schematic diagram that the cover plate in the embodiment of the invention connects with side plate
Fig. 4 is the another schematic diagram that the cover plate in the embodiment of the invention connects with side plate
Embodiment
Now in conjunction with the accompanying drawings embodiments of the present invention are further described:
By shown in the figure as can be known, the embodiment of a kind of circuit breaker operation mechanism of the present invention, include a cover plate 1 and a left side, right plate 2, shunt release, device for under-voltage releasing equipment, making electromagnets etc. are installed on the cover board, install the back and receive vertical being located on the reference column 3 of cover plate 1 central authorities by means of screw threads with pressing plate, thereby by pressing plate to the control of positioning property of accessory unit, on a left side, the lug 21 that the rear side of right plate 2 all is provided with outside bending is used for being connected with this susceptor body of circuit breaker, operating mechanism is screwed on this susceptor body that is installed in circuit breaker by this lug 21, on a left side, the forward rear side in the upper surface of right plate 2 is respectively equipped with clamping groove 22, the opening of clamping groove 22 is positioned at its front side, the corresponding tenon 11 that matches with clamping groove 22 that is provided with on the described cover plate 1, on the relative sidewall of cover plate 1 and side plate 2, also be provided with a lock groove 12, the corresponding screw 24 that vertically passes side plate 2 that is provided with on side plate 2, lock screw 4 pass rear wall 121 clamping matching of screw 24 and lock groove 12.The present invention can certainly only establish lock groove in a side of cover plate, and only therein left plate or right plate on establish lock bolt and realize unidirectional clamping matching, but generally speaking, consider for stability, still should all establish lock groove and lock screw in and arranged on left and right sides and realize two-way screens, be i.e. mode as shown in the figure.After the tenon 11 with cover plate 1 is embedded in the clamping groove 22 of side plate (left and right side plate) 2, the lock groove 12 of cover plate 1 is just facing to the screw 24 on the sidewall 2 at this moment,, thereby cover plate no longer is pulled rearward and the location fully (its upper and lower its rear direction is located by clamping groove and tenon) of realizing cover plate so but just precession lock screw 4 is embedded in the lock groove 12 front end of screw 4.
In the present embodiment, described lock screw 4 its screw threads are arranged at rear side, and its front side is a cylinder 41, and the diameter of this cylinder 41 equates with the width of lock groove 12; When cylinder 41 diameters equate to make in cylinder 41 is embedded at lock groove 12 with lock groove 12 width, can realize former and later two directions spacing of 4 pairs of cover plates 1 of lock screw simultaneously, promptly at the tenon 11 of cover plate 1 also not with before the rear wall of clamping groove 22 contacts, make that the position of lock groove 12 is promptly corresponding with the position of lock screw 4, precession screw 4 and be embedded at and realize the fore-and-aft direction screens in the lock groove 12 then, the spacing clamping groove 22 that also can not lean in rear that also is cover plate 1 has been realized, for processing and manufacturing, bring convenience like this, because if be beneficial to trip bolt 4 only with rear wall 121 screens of lock groove 12, realize the spacing clamping groove 22 and the location of tenon 11 still leaned on, rear that is cover plate 1, this need be at the rear wall of the rear wall of tenon 11 and clamping groove 22 just during screens, trip bolt 4 can be just and rear wall 121 clamping matching of lock groove 12, obviously, cooperate for size like this and have relatively high expectations, thereby difficulty of processing is strengthened.And as aforesaid, the present invention does not get rid of a kind of mode in back, promptly utilize trip bolt only to carry out spacing to the place ahead displacement of cover plate, be set as cylindrical diameter such as width greater than the front end of trip bolt with lock groove, then the front end of cylinder surface is made as slightly and is set as slightly with uncovered shape (inclined-plane of the trailing flank of lock slots) for tilting slightly with the awl inclined-plane of tapering or with lock slots, can be to help this lock screw with the rear wall screens tightly of this lock slots, even and in manufacture process, the position of this lock slots has error slightly, also can utilize lock screw precession the degree of depth adjustment and realize accurate screens with lock slots, but this mode exists the problem that screw can loose unload in transportation or use, and in the illustrated embodiment, owing to always lock screw 4 can be spun and put in place, therefore can adopt spring washer 5 to prevent that the pine of screw 4 from unloading.Its front side of screw among the present invention also can be screw thread, but then needs the external screw thread face to contact with the rear wall of lock groove like this, and obviously, cylinder and contact its screens performance with the rear wall of lock groove better.
In the present embodiment, described clamping groove 22 can for in-line be opening towards the front side, cover plate advances then backward facing to the clip notch like this, the tenon of cover plate is embedded in the clamping groove, but present embodiment preferably adopts
The clamping groove 22 of shape (because
Shape clamping groove 22 its openings still can be considered in the front side, but be that opening is oriented upwards), thereby when cover plate is installed, the vertical mouth 221 that earlier tenon 11 of cover plate 1 is faced toward this clamping groove 22, press down cover plate then, make the tenon 11 of cover plate 1 be fitted in the lower wall surface of clamping groove 22, again cover plate 1 is passed backward, the location is realized in the inboard that makes tenon 11 slip into clamping groove 22 along the lower wall surface of this clamping groove 22, adopts
Clamping groove 22 obvious more favourable cover plate 1 location when mounted that have of shape.
In the present embodiment, be provided with short slot 23 between front and back clamping groove 22, the lower wall of the lower wall of this short slot 23 and clamping groove 22 is level mutually, and corresponding boss 13 glands that are provided with of the sidewall of described cover plate 1 are on the lower wall of this short slot 23.Because boss 13 glands of cover plate 1 are supported on the side plate 2, therefore make the support of 2 pairs of cover plates 1 of side plate except tenon 11, also have boss 13 to support, thereby make cover plate 1 have a better weight capacity.
In the foregoing description, described lock bolt 4 is arranged at short slot 23 and rear side
Between the shape clamping groove 22, also promptly this lock bolt 4 is to be positioned at two
Between the shape clamping groove 22, but the present invention does not get rid of lock bolt and screw base (step that promptly is used for cartridge screw) thereof is located at the front side
Example certainly if this right setting then needs the clamping groove of front side is suitably moved again backward, but from the steady angle of mechanics, is executed when being preferred version for illustrated in the place ahead of shape clamping groove.
In the diagram, the tenon 11 of described cover plate 1 is washed mutually with the lateral wall of side plate 2, and the boss in left side is also washed mutually with the lateral wall of left plate, and the boss of opposite side considers to be the purpose that other parts are installed also, and stretches out in right plate far away.
Although in conjunction with the accompanying drawings the embodiment of the invention has been done comparatively detailed explanation; and the embodiment that has also exemplified other is set forth; but those skilled in the art can also make all improvement to embodiments of the invention, and these are based on independent claims of the present invention and be equal to any improvement that independent claims of the present invention do and all work as within protection scope of the present invention.
Claims (5)
1. circuit breaker operation mechanism, include a cover plate and a left side, right plate, on a left side, the lug that the rear side of right plate all is provided with outside bending is used for being connected with this susceptor body of circuit breaker, on a left side, the forward rear side in the upper surface of right plate is respectively equipped with clamping groove, the front side of clamping groove is provided with opening, the corresponding tenon that matches with clamping groove that is provided with on the described cover plate, it is characterized in that: on the sidewall relative of cover plate, also be provided with a lock groove with side plate, the corresponding screw that vertically passes side plate that is provided with on side plate, lock screw is passed the rear wall clamping matching of screw and lock groove.
2. circuit breaker operation mechanism according to claim 1 is characterized in that: its screw thread of described lock screw is arranged at rear side, and its front side is a cylinder, and this cylindrical diameter equates with the width of lock groove.
3. circuit breaker operation mechanism according to claim 1 and 2 is characterized in that: described clamping groove is
Shape.
4. circuit breaker operation mechanism according to claim 3 is characterized in that: be provided with short slot between the clamping groove of front and back, the lower wall of this short slot and the lower wall of clamping groove be level mutually, and the corresponding boss gland that is provided with of the sidewall of described cover plate is on the lower wall of this short slot.
5. circuit breaker operation mechanism according to claim 4 is characterized in that: described lock screw is arranged at short slot and rear side
Between the shape clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101210675A CN101364504B (en) | 2008-09-20 | 2008-09-20 | Operating mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101210675A CN101364504B (en) | 2008-09-20 | 2008-09-20 | Operating mechanism for circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101364504A CN101364504A (en) | 2009-02-11 |
| CN101364504B true CN101364504B (en) | 2011-04-13 |
Family
ID=40390801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101210675A Expired - Fee Related CN101364504B (en) | 2008-09-20 | 2008-09-20 | Operating mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101364504B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908444B (en) * | 2010-08-05 | 2013-09-11 | 无锡新宏泰电器科技股份有限公司 | Lateral plate and cover plate connecting plug structure of breaker actuating mechanism |
| CN115076492B (en) * | 2022-05-24 | 2024-03-19 | 中山科迪厨卫科技有限公司 | Wall dress fixing device, wall dress tap and wall dress gondola water faucet |
| CN116190167B (en) * | 2023-05-04 | 2023-07-07 | 深圳市脉联电子有限公司 | Electric shock prevention structure and circuit breaker thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29503476U1 (en) * | 1995-03-02 | 1996-07-04 | Kloeckner Moeller Gmbh | Fastening arrangement of a switch lock in the lower part of a low-voltage switch |
| JP2000146227A (en) * | 1998-11-13 | 2000-05-26 | Daikin Ind Ltd | Outdoor unit for air conditioner |
| CN201298506Y (en) * | 2008-09-20 | 2009-08-26 | 浙江天正电气股份有限公司 | Operating mechanism for circuit breaker |
-
2008
- 2008-09-20 CN CN2008101210675A patent/CN101364504B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29503476U1 (en) * | 1995-03-02 | 1996-07-04 | Kloeckner Moeller Gmbh | Fastening arrangement of a switch lock in the lower part of a low-voltage switch |
| JP2000146227A (en) * | 1998-11-13 | 2000-05-26 | Daikin Ind Ltd | Outdoor unit for air conditioner |
| CN201298506Y (en) * | 2008-09-20 | 2009-08-26 | 浙江天正电气股份有限公司 | Operating mechanism for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101364504A (en) | 2009-02-11 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20180920 |