CN2229714Y - Breaker with plastic shell - Google Patents
Breaker with plastic shell Download PDFInfo
- Publication number
- CN2229714Y CN2229714Y CN 95205858 CN95205858U CN2229714Y CN 2229714 Y CN2229714 Y CN 2229714Y CN 95205858 CN95205858 CN 95205858 CN 95205858 U CN95205858 U CN 95205858U CN 2229714 Y CN2229714 Y CN 2229714Y
- Authority
- CN
- China
- Prior art keywords
- pendulum
- armature
- push away
- push rod
- thermal deformation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a breaker with a plastic shell, which is characterized in that a release mechanism is composed of a magnetic releaser, a thermal releaser, a crown plate and a push pendulum. The crown plate is made top and bottom or left and right movement under the action of two releasers; an operating mechanism is released through the push pendulum; because the two releasers are formed into encasement structure, the crown plate is arranged on the front of the two releasers, which is thin plate structure, and the space of the front and the back directions which is occupied is small; therefore, the sizes of the top, the bottom, the front and back directions of the release mechanism are small, in the way, the volume of the breaker with the plastic shell can be reduced, and the breaking capacity of the unit volume of the breaker with the plastic shell is increased.
Description
The utility model relates to a kind of mold cased circuit breaker.
Be provided with contact mechanism in the housing of mold cased circuit breaker, operating mechanism, tripping mechanism and arc-control device, wherein tripping mechanism is arranged on the below of contact mechanism and operating mechanism, by magnetic release, thermal overload release and trip shaft are formed, magnetic release is positioned at the rear of trip shaft, and overlap on the thermal overload release, thermal overload release is positioned at the below of trip shaft, and extend the place ahead of trip shaft, and the physical pendulum of living that armature in the magnetic release and the bimetal leaf in the thermal overload release are made above-below direction moves, this shows, this tripping mechanism up and down and the fore-and-aft direction size bigger, structure is not compact, and the volume of circuit breaker is increased, the unit volume breaking capacity reduces.
The purpose of this utility model provides the strong mold cased circuit breaker of a kind of unit volume breaking capacity.
Solving scheme of the present utility model is that tripping mechanism is redesigned, designed tripping mechanism is by magnetic release, thermal overload release, top board is formed with pushing away to put, wherein electromagnet in the magnetic release and armature form shape of the mouth as one speaks structure, electromagnet is installed on the frame of rectifying, armature by support shaft supports on the frame of rectifying, and under the effect of electromagnetic attraction and armature back-moving spring, support holes rotation on the frame of rectifying, bolster is provided with the armature lifter that stretches out forward, the frame of rectifying is provided with the block that limits the armature reset position, thermal overload release is by installation foot, the thermal deformation plate, thermal deformation plate push rod, tappet screw is formed, wherein the thermal deformation plate passes from the degree of lip-rounding hole of magnetic release, tappet screw is installed on the screw support foot, this support foot is fixed on the head of thermal deformation plate together with thermal deformation plate push rod, top board is provided with to push away to put to sell stirs groove, gathering sill and push rod patchhole, wherein gathering sill is inserted in the pilot pin of being located at plastic casing, the outside that armature lifter and thermal deformation plate push rod then insert pairing push rod patchhole or top board respectively, push away the pendulum cantilever support on the bearing support of operating mechanism, by bolster, pusher arm, push away the pendulum pin, swing arm and push away the pendulum back-moving spring and form wherein pushes away the pendulum pin that pushes away that the pendulum pin inserts top board and stirs in the groove.
For plastic shell short-circuit protection circuit breaker, its tripping mechanism by magnetic release, top board and push away the pendulum form.
For plastic shell overload protection road device, its tripping mechanism by thermal overload release, top board and push away the pendulum form.
Further illustrate detailed content of the present utility model below in conjunction with drawings and Examples.
Fig. 1: one of front view of the present utility model;
Fig. 2: two of front view of the present utility model;
Fig. 3; The end view of release shown in Figure 1;
Fig. 4: the end view of release shown in Figure 2;
Fig. 5: the vertical view that pushes away pendulum shown in Figure 1;
Fig. 6: the end view that pushes away pendulum shown in Figure 2;
Fig. 7: the schematic diagram of mechanism of mold cased circuit breaker shown in Figure 1;
Fig. 8: the schematic diagram of mechanism of mold cased circuit breaker shown in Figure 2:
Mold cased circuit breaker is made up of contact mechanism, operating mechanism, tripping mechanism, arc-control device and plastic casing, can be divided into compound protection circuit breaker by its function: short-circuit protection divides three kinds of embodiment to describe with circuit breaker and overload protection circuit breaker below.
Example one: described tripping mechanism is by magnetic release, thermal overload release, top board 1 is formed with pushing away to put, wherein electromagnet in the magnetic release 2 and armature 3 form shape of the mouth as one speaks structure, electromagnet 2 is installed on the frame 4 of rectifying, armature 3 is bearing on the frame 4 of rectifying by bolster 5, and under the effect of electromagnetic attraction and armature back-moving spring 6, support holes rotation on the frame 4 of rectifying, bolster 5 is provided with the armature lifter 7 that stretches out forward, the frame 4 of rectifying is provided with the block 8 that limits armature 3 reset positions, thermal overload release is by installation foot 9, thermal deformation plate 10, thermal deformation plate push rod 11, tappet screw 12 is formed, wherein thermal deformation plate 10 passes from the degree of lip-rounding hole 13 of magnetic release, tappet screw 12 is installed on the screw support foot 14, this support foot 14 is fixed on the head of thermal deformation plate 10 together with thermal deformation plate push rod 11, top board 1 is provided with to push away to put to sell stirs groove 15, gathering sill 16 and push rod patchhole 17, wherein gathering sill 16 is inserted in the pilot pin 19 of being located at plastic casing, the outside that armature lifter 7 and 11 of thermal deformation plate push rods insert pairing push rod patchhole 17 or top board 1 respectively, push away the pendulum cantilever support on the bearing support 20 of operating mechanism, by bolster 21, pusher arm 22, push away pendulum pin 23, swing arm 24 and push away pendulum back-moving spring 25 and form wherein pushes away the pendulum pin that pushes away that pendulum pin 23 inserts top boards 1 and stirs in the groove 15.Above-mentioned magnetic release is inlaid in the square hole ad hoc in the plastic casing by the frame 4 of rectifying, and thermal overload release is by installation foot 9 and the screw postbrachium at plastic casing; Thermal deformation plate 10 has two kinds of structural shapes, and a kind of is the heaterless thermal deformation plate of being made up of bimetal leaf 10, and another kind is the thermal deformation plate of being made up of with radiant heating panel bimetal leaf 10 of radiation hot type; When armature 3 during by electromagnet 2 adhesives or 10 thermal deformations of thermal deformation plate, armature lifter 7 or thermal deformation push rod 11 promptly promote top board 1 motion, pass through pushing away swing, promote tripping in the operating mechanisms by swing arm 24 and rotate and thread off, the operating mechanism of having removed constraint makes immediately that moving contact separates with fixed contact in the contact mechanism.The direction of motion of top board 1 has two kinds, the one, the above-below direction motion, at this moment, the pendulum pin that pushes away on the top board 1 is stirred the elongated slot that groove 15 should be a left and right directions, gathering sill 16 should be the elongated slot of above-below direction, the axis horizontal setting of armature bearing axle 5 in the magnetic release, the plate of thermal deformation plate 10 face up down (as Fig. 1, Fig. 3, shown in Figure 5) in the thermal overload release; The 2nd, the left and right directions motion, at this moment, the pendulum pin that pushes away on the top board 1 is stirred the elongated slot that groove 15 should be an above-below direction, gathering sill 16 should be the elongated slot of left and right directions, the axis normal setting of armature bearing axle 5 in the magnetic release, the plate of thermal deformation plate 10 faces a left side towards right (as Fig. 2, Fig. 4, shown in Figure 6) in the thermal overload release.
Example two: described tripping mechanism is by magnetic release, top board 1 is formed with pushing away to put, wherein electromagnet in the magnetic release 2 and armature 3 form shape of the mouth as one speaks structure, electromagnet 2 is installed on the frame 4 of rectifying, armature 3 is bearing on the frame 4 of rectifying by bolster 5, and under the effect of electromagnetic attraction and armature back-moving spring 6, support holes rotation on the frame 4 of rectifying, bolster 5 is provided with the armature lifter 7 that stretches out forward, the frame 4 of rectifying is provided with the block 8 that limits armature 3 reset positions, top board 1 is provided with to push away to put to sell stirs groove 15, gathering sill 16 and push rod patchhole 17, wherein gathering sill 16 is inserted in the pilot pin 19 of being located at plastic casing, 7 outsides of inserting push rod patchhole 17 or top board 1 of armature lifter, push away the pendulum cantilever support on the bearing support 20 of operating mechanism, by bolster 21, pusher arm 22, push away pendulum pin 23, swing arm 24 and push away pendulum back-moving spring 25 and form wherein pushes away the pendulum pin that pushes away that pendulum pin 23 inserts top boards 1 and stirs in the groove 15.According to two kinds of directions of motion of top board 1, top board 1, push away the pendulum and magnetic release two kinds of designs are also arranged.
Example three: described tripping mechanism is by thermal overload release, top board 1 is formed with pushing away to put, wherein thermal overload release is by installation foot 9, thermal deformation plate 10, thermal deformation plate push rod 11, tappet screw 12 is formed, tappet screw 12 is installed on the screw support foot 14, this support foot 14 is fixed on the head of thermal deformation plate 10 together with thermal deformation plate push rod 11, top board 1 is provided with to push away to put to sell stirs groove 15, gathering sill 16 and push rod patchhole 17, wherein gathering sill 16 is inserted in the pilot pin 19 of being located at plastic casing, 11 outsides of inserting push rod patchhole 17 or top board 1 of thermal deformation plate push rod, push away the pendulum cantilever support on the bearing support 20 of operating mechanism, by bolster 21, pusher arm 22, push away pendulum pin 23, swing arm 24 and push away pendulum back-moving spring 25 and form wherein pushes away the pendulum pin that pushes away that pendulum pin 23 inserts top boards 1 and stirs in the groove 15.According to two kinds of directions of motion of top board 1, top board 1, push away the pendulum and thermal overload release two kinds of designs are equally also arranged.
The tripping mechanism of the mold cased circuit breaker of said structure forms sleeve structure because of magnetic release with thermal overload release, top board is arranged on the place ahead of two releases, and be thin-slab structure, the space that takies fore-and-aft direction is very little, therefore, this tripping mechanism up and down and the size of fore-and-aft direction less, like this, the volume of mold cased circuit breaker can dwindle, and the breaking capacity of its unit volume has also just improved.
Claims (3)
1, a kind of mold cased circuit breaker has contact mechanism, operating mechanism, tripping mechanism, arc-control device and plastic casing, it is characterized in that; Described tripping mechanism is by magnetic release, thermal overload release, top board (1) and push away pendulum and form, wherein electromagnet in the magnetic release (2) and armature (3) form shape of the mouth as one speaks structure, electromagnet (2) is installed on the frame of rectifying (4), armature (3) is bearing on the frame of rectifying (4) by bolster (5), and under the effect of electromagnetic attraction and armature back-moving spring (6), support holes rotation on the frame of rectifying (4), bolster (5) is provided with the armature lifter (7) that stretches out forward, the frame (4) of rectifying is provided with the block (8) that limits armature (3) reset position, thermal overload release is by installation foot (9), thermal deformation plate (10), thermal deformation plate push rod (11), tappet screw (12) is formed, wherein thermal deformation plate (10) passes from the degree of lip-rounding hole (13) of magnetic release, tappet screw (12) is installed on the screw support foot (14), this support foot (14) is fixed on the head of thermal deformation plate (10) together with thermal deformation plate push rod (11), top board (1) is provided with to push away to put to sell stirs groove (15), gathering sill (16) and push rod patchhole (17), wherein gathering sill (16) is inserted in the pilot pin (19) of being located at plastic casing, the outside that armature lifter (7) and thermal deformation plate push rod (11) then insert pairing push rod patchhole (17) or top board (1) respectively, push away the pendulum cantilever support on the bearing support (20) of operating mechanism, by bolster (21), pusher arm (22), push away pendulum pin (23), swing arm (24) and push away pendulum back-moving spring (25) and form wherein pushes away the pendulum pin that pushes away that pendulum pin (23) inserts top boards (1) and stirs in the groove (15).
2, a kind of mold cased circuit breaker, has contact mechanism, operating mechanism, tripping mechanism, arc-control device and plastic casing, it is characterized in that: described tripping mechanism is by magnetic release, top board (1) and push away pendulum and form, wherein electromagnet in the magnetic release (2) and armature (3) form shape of the mouth as one speaks structure, electromagnet (2) is installed on the frame of rectifying (4), armature (3) is bearing on the frame of rectifying (4) by bolster (5), and under the effect of electromagnetic attraction and armature back-moving spring (6), support holes rotation on the frame of rectifying (4), bolster (5) is provided with the armature lifter (7) that stretches out forward, the frame (4) of rectifying is provided with the block (8) that limits armature (3) reset position, top board (1) is provided with to push away to put to sell stirs groove (15), gathering sill (16) and push rod patchhole (17), wherein gathering sill (16) is inserted in the pilot pin (19) of being located at plastic casing, armature lifter (7) then inserts the outside of push rod patchhole (17) or top board (1), push away the pendulum cantilever support on the bearing support (20) of operating mechanism, by bolster (21), pusher arm (22), push away pendulum pin (23), swing arm (24) and push away pendulum back-moving spring 5) form, wherein push away the pendulum pin that pushes away that pendulum pin (23) inserts top boards (1) and stir in the groove (15).
3, a kind of mold cased circuit breaker, has contact mechanism, operating mechanism, tripping mechanism arc-control device and plastic casing, it is characterized in that: described tripping mechanism is by thermal overload release, top board (1) and push away pendulum and form, wherein thermal overload release is by installation foot (9), thermal deformation plate (10), thermal deformation plate push rod (11), tappet screw (12) is formed, tappet screw (12) is installed on the screw support foot (14), this support foot (14) is fixed on the head of thermal deformation plate (10) together with thermal deformation plate push rod (11), top board (1) is provided with to push away to put to sell stirs groove (15), gathering sill (16) and push rod patchhole (17), wherein gathering sill (16) is inserted in the pilot pin (19) of being located at plastic casing, thermal deformation plate push rod (11) then inserts the outside of push rod patchhole (17) or top board (1), push away the pendulum cantilever support on the bearing support (20) of operating mechanism, by bolster (21), pusher arm (22), push away pendulum pin (23), swing arm (24) and push away pendulum back-moving spring (25) and form wherein pushes away the pendulum pin that pushes away that pendulum pin (23) inserts top boards (1) and stirs in the groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95205858 CN2229714Y (en) | 1995-03-20 | 1995-03-20 | Breaker with plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95205858 CN2229714Y (en) | 1995-03-20 | 1995-03-20 | Breaker with plastic shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2229714Y true CN2229714Y (en) | 1996-06-19 |
Family
ID=33857964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95205858 Expired - Fee Related CN2229714Y (en) | 1995-03-20 | 1995-03-20 | Breaker with plastic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2229714Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940841A (en) * | 2014-02-18 | 2014-07-23 | 超威电源有限公司 | Testing method of thermal deformation of electrombile lead acid storage battery plastic shell |
| CN109390192A (en) * | 2017-08-11 | 2019-02-26 | 浙江正泰电器股份有限公司 | Thermo-magnetic system structure |
-
1995
- 1995-03-20 CN CN 95205858 patent/CN2229714Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940841A (en) * | 2014-02-18 | 2014-07-23 | 超威电源有限公司 | Testing method of thermal deformation of electrombile lead acid storage battery plastic shell |
| CN103940841B (en) * | 2014-02-18 | 2016-03-02 | 超威电源有限公司 | A kind of Lead Acid Battery Used for Electric Vehicle moulds the method for testing of shell thermal deformation |
| CN109390192A (en) * | 2017-08-11 | 2019-02-26 | 浙江正泰电器股份有限公司 | Thermo-magnetic system structure |
| CN109390192B (en) * | 2017-08-11 | 2024-05-17 | 浙江正泰电器股份有限公司 | Thermomagnetic system structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |