CN205621686U - Small -size electric leakage circuit breaker and tripping device thereof - Google Patents
Small -size electric leakage circuit breaker and tripping device thereof Download PDFInfo
- Publication number
- CN205621686U CN205621686U CN201620189317.9U CN201620189317U CN205621686U CN 205621686 U CN205621686 U CN 205621686U CN 201620189317 U CN201620189317 U CN 201620189317U CN 205621686 U CN205621686 U CN 205621686U
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- Prior art keywords
- button
- drain pan
- projection
- electrical leakage
- leakage breaker
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Abstract
The utility model discloses a small -size electric leakage circuit breaker and tripping device thereof, its technical scheme main points are including drain pan, trip coil subassembly, button and hasp, button sliding connection is on the drain pan, be equipped with reset spring on the button, reset spring hold button tip is located outside the drain pan, integrated into one piece has the projection on the drain pan, be equipped with on the hasp realize to rotate with projection complex shrinkage pool and be connected, with hasp and drain pan direct realize rotating with the notch cooperation through the projection is connected, compare current connected mode and has saved the round pin axle, reduced spare part, so the cost is reduced to a certain extent only need aim at the projection with the shrinkage pool in addition when installing and can realize the rotation connection, install more simple and convenient, wherein projection and shrinkage pool can be in the forming process together the shaping come out, be convenient for produce.
Description
Technical field
This utility model relates to RCCB field, particularly to the tripping mechanism on a kind of Minitype electrical leakage breaker.
Background technology
The switch of energy auto-action when RCCB is that in circuit, leakage current exceedes predetermined value; such as notification number is that the Chinese patent of CN203707056U discloses the tripping mechanism on a kind of RCD; include back-moving spring; one end of this back-moving spring acts on base; the other end acts on return unit; it is fixedly installed force rod on described snap close; being provided with the boss that force rod can be driven to rotate on described return unit, being provided above of this boss is available for the cavity that force rod swings.It is to provide a kind of reset force using return unit to be added in the tripping force of mechanism, improves the tripping force of whole mechanism, thus promotes the tripping mechanism on the novel RCD of de-mouth speed and stability.
Wherein snap close is to be rotatably connected on base by bearing pin, and on the one hand such connected mode can increase these parts of bearing pin, causes the increase of certain cost, on the other hand also can increase installation steps when installing snap close, therefore be further improved.
Utility model content
The purpose of this utility model is to provide tripping mechanism that is a kind of cost-effective and that be easily installed on the Minitype electrical leakage breaker of snap close.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of tripping mechanism on Minitype electrical leakage breaker, including drain pan, tripping coil assembly, button and snap close, described button is slidably connected on drain pan, described button is provided with back-moving spring, described back-moving spring hold button end is positioned at outside drain pan, integrally formed with projection on described drain pan, described snap close is provided with the shrinkage pool coordinated with projection and realizes being rotationally connected.
Directly realize being rotationally connected by projection and mating recesses with drain pan by snap close, compare existing connected mode and eliminate bearing pin, decrease parts, therefore reduce cost to a certain extent, the most only shrinkage pool need to be directed at projection can realize being rotationally connected, install easier, wherein projection and shrinkage pool can in forming process together with form out, it is simple to produce.
This utility model is arranged further: described snap close is provided with transmission arm, force rod and the driving lever of dynamic iron core linkage with tripping coil assembly, described button is provided with and the draw-in groove of force rod end clamping, and described driving lever drives snap close rotation that force rod end is deviate from from draw-in groove.
Transmission arm is used for transferring force to breaker portion, driving lever is for linking with dynamic iron core, force rod is for the clamping with button, drive dynamic iron core to move linkage driving lever by tripping coil, then drive snap close to rotate and force rod is deviate from from draw-in groove, it is achieved trip status, snap fit is eliminated in compared to existing technology, simplify structure, easily facilitate production molding, also save material and cost.
This utility model is arranged further: the end of described force rod is L-shaped, and the width of described draw-in groove is more than the width of force rod end, and described draw-in groove inwall is provided with the inclined-plane being easy to the abjection of force rod end.
Button can preferably be pinned in the end of force rod L-shaped, the width of draw-in groove more makes force rod end can more preferably buckle into draw-in groove more than the width of force rod end, avoid the occurrence of the situation of clamping stagnation, add the setting on inclined-plane simultaneously, giving enough spaces allows snap close rotate so that force rod end can be more prone to from draw-in groove abjection.
This utility model is arranged further: described dynamic iron core is provided with linkage head and the connecting portion through driving lever, the diameter of described linkage head is more than the diameter of connecting portion, described driving lever is provided with the groove passed for connecting portion, the breach that one end of described groove is provided with and the head that links is adaptive.
During installation, linkage head is passed from indentation, there, then shift position makes linkage head can realize linkage with breach dislocation, U-lag in compared to existing technology, both connective stabilities are more preferable, the situation that abjection occurs it is difficult to when taking or install, only need to be by the most separable with notch alignment for linkage head when needing to dismantle.
This utility model is arranged further: described button is provided with the mounting groove for installing back-moving spring near the side of drain pan inwall, and described drain pan is provided with block, and described back-moving spring one end is connected on block, and the other end is connected on mounting groove inner wall of end.
Mounting groove being positioned close to drain pan inwall side, it is possible to playing good hidden effect, overall structure is more attractive in appearance, back-moving spring both sides are blocked by drain pan inwall and mounting groove inwall respectively, can be prevented effectively from the situation that spring is deviate from from mounting groove.
This utility model is arranged further: the both sides of described button are provided with projection, and described projection abuts the abjection preventing button with housing sidewall.
When deviating from from draw-in groove in force rod end, button outwards can eject under action of reset spring, can play position-limiting action by the setting of projection, it is to avoid the whole situation about ejecting from drain pan of button.
This utility model is arranged further: described drain pan is provided with rib and forms the placing trough for placing tripping coil assembly, and described tripping coil component level is placed.
The mounting stability of tripping coil assembly can be increased by the setting of rib, be difficult to the skew that position occurs, and the tripping coil assembly of horizontal positioned compared to existing technology in oblique placement more save and take up room.
This utility model is arranged further: described tripping coil assembly also includes that metal installation base, static iron core, support and coil windings, described coil windings are wound on support, is provided with elastic component between described dynamic iron core and static iron core.
Metal installation base structural strength height is as installing pedestal, stabilized structure is difficult to be occurred damaging, in use by forming magnetic force to coil windings energising, dynamic iron core is made to overcome the elastic force of elastic component to be inhaled dynamic by static iron core, thus drive snap close to rotate, it is achieved thread off, in the case of not energising, dynamic iron core is ejected drive snap close under elastic component effect and rotates backward, it is achieved snap close.
This utility model is arranged further: the both sides of described block are provided with sliver, and described sliver is provided with the cambered surface being slidably matched with button.
Guide effect is played in being arranged in button sliding process of sliver, increases the stability in button sliding process, it is to avoid offset deviation occur or rock, and cambered surface surface smooths and uniform force so that more smooth in sliding process.
The purpose of this utility model also resides in the Minitype electrical leakage breaker providing a kind of tripping mechanism to be easily installed.
This technical purpose of the present utility model has the technical scheme that
A kind of Minitype electrical leakage breaker, including above-mentioned tripping mechanism.
In sum, this utility model has the advantages that and directly realizes being rotationally connected by projection and mating recesses with drain pan by snap close, compare existing connected mode and eliminate bearing pin, decrease parts, therefore reduce cost to a certain extent, the most only shrinkage pool need to be directed at projection can realize being rotationally connected, install easier, wherein projection and shrinkage pool can in forming process together with form out, it is easy to produce, and the linkage structure on driving lever is improved, U-lag in compared to existing technology, both connective stabilities are more preferable, the situation that abjection occurs it is difficult to when taking or install, only need to be by the most separable with notch alignment for linkage head when needing to dismantle, and tripping coil component level is placed, oblique placement in compared to existing technology is more saved and is taken up room.
Accompanying drawing explanation
Fig. 1 is the explosive view of embodiment 1；
Fig. 2 is the structure chart at embodiment 1 first visual angle；
Fig. 3 is the structure chart at embodiment 1 second visual angle；
Fig. 4 is tripping coil assembly and the attachment structure figure of snap close in embodiment 1；
Fig. 5 is the cut-away view of tripping coil assembly in embodiment 1；
Fig. 6 is the structure chart of drain pan in embodiment 1；
Fig. 7 is the structure chart of button in embodiment 1；
Fig. 8 is the structure chart of embodiment 2.
Reference: 1, drain pan；11, projection；2, tripping coil assembly；21, dynamic iron core；211, connecting portion；212, linkage head；22, static iron core；23, metal installation base；24, support；25, coil windings；26, elastic component；3, snap close；31, protruding；32, transmission arm；33, force rod；34, driving lever；341, groove；342, breach；4, button；41, draw-in groove；42, inclined-plane；43, mounting groove；44, back-moving spring；45, projection；5, rib；6, block；7, sliver；71, cambered surface.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Embodiment 1: the tripping mechanism on a kind of Minitype electrical leakage breaker, as shown in Figure 1, including drain pan 1, tripping coil assembly 2, button 4 and snap close 3, described button 4 is slidably connected on drain pan 1, described button 4 is provided with back-moving spring 44, described back-moving spring 44 hold button 4 end is positioned at outside drain pan 1, integrally formed with projection 11 on described drain pan 1, described snap close 3 is provided with the shrinkage pool coordinated with projection 11 and realizes being rotationally connected, snap close 3 top is provided with cylindrical protrusions 31, by the setting of protruding 31, when drain pan 1 loads onto lid, can arrange on lid and protruding 31 corresponding depressions, thus lid can preferably prop up snap close 3, increase the mounting stability of snap close 3.
As shown in Figures 2 and 3, snap close 3 is provided with transmission arm 32, force rod 33 and the driving lever 34 that dynamic iron core 21 links with tripping coil assembly 2, described button 4 is provided with and the draw-in groove 41 of force rod 33 end clamping, described driving lever 34 drives snap close 3 rotation that force rod 33 end is deviate from from draw-in groove 41, transmission arm 32 is used for transferring force to breaker portion, driving lever 34 is for linking with dynamic iron core 21, force rod 33 is for the clamping with button 4, dynamic iron core 21 is driven to move linkage driving lever 34 by tripping coil, then driving snap close 3 to rotate makes force rod 33 deviate from from draw-in groove 41, realize trip status.
Wherein the end of force rod 33 is L-shaped, and the width of described draw-in groove 41 is more than the width of force rod 33 end, and described draw-in groove 41 inwall is provided with the inclined-plane 42 being easy to the abjection of force rod 33 end.
As shown in Figure 4, dynamic iron core 21 is provided with linkage 212 and the connecting portion 211 through driving lever 34, the diameter of described linkage 212 is more than the diameter of connecting portion 211, described driving lever 34 is provided with the groove 341 passed for connecting portion 211, one end of described groove 341 is provided with and links a breach for 212 adaptations 342, linkage 212 being passed at breach 342 during installation, then shift position makes linkage 212 can realize linkage with breach 342 dislocation.
As shown in Figure 5, tripping coil assembly 2 also includes metal installation base 23, static iron core 22, support 24 and coil windings 25, described coil windings 25 is wound on support 24, it is provided with elastic component 26 between described dynamic iron core 21 and static iron core 22, in use by forming magnetic force to coil windings 25 energising, dynamic iron core 21 is made to overcome the elastic force of elastic component 26 to be inhaled by static iron core 22, thus drive snap close 3 to rotate, realize threading off, in the case of not energising, dynamic iron core 21 is ejected drive snap close 3 under elastic component 26 acts on and rotates backward, it is achieved snap close 3.
As shown in Figure 6, drain pan 1 is provided with rib 5 and forms the placing trough for placing tripping coil assembly 2, described tripping coil assembly 2 horizontal positioned, the tripping coil assembly 2 of horizontal positioned compared to existing technology in oblique placement more save and take up room；And it being provided with sliver 7 at the both sides of corresponding block 6, described sliver 7 is provided with the cambered surface 71 being slidably matched with button 4, ensures the Stable sliding of button 4.
As it is shown in fig. 7, button 4 is provided with the mounting groove 43 for installing back-moving spring 44 near the side of drain pan 1 inwall, described drain pan 1 is provided with block 6, and described back-moving spring 44 one end is connected on block 6, and the other end is connected on mounting groove 43 inner wall of end；And button 4 both sides are provided with projection 45, described projection 45 abuts with housing sidewall and prevents button 4 from deviating from the effect of back-moving spring 44.
In sum, directly realize being rotationally connected by projection 11 and mating recesses with drain pan 1 by snap close 3, compare existing connected mode and eliminate bearing pin, decrease parts, therefore reduce cost to a certain extent, the most only shrinkage pool need to be directed at projection 11 can realize being rotationally connected, install easier, wherein projection 11 and shrinkage pool can in forming process together with form out, it is easy to produce, and the linkage structure on driving lever 34 is improved, U-lag in compared to existing technology, both connective stabilities are more preferable, the situation that abjection occurs it is difficult to when taking or install, need only to be directed at separable with breach 342 by linkage 212 during dismounting, and tripping coil assembly 2 horizontal positioned, oblique placement in compared to existing technology is more saved and is taken up room.
Specific works process: when button 4 is pressed by original state, back-moving spring 44 is compressed, when mobile to draw-in groove 41 and force rod 33 end to the time in of corresponding under the effect of elastic component 26, dynamic iron core 21 drives snap close 3 to rotate, and then also make transmission arm 32 stir the chopper controlling to be connected with RCCB, now force rod 33 end snaps in draw-in groove 41, realize snap close 3 state, after coil windings 25 is energized, electromagnetic force can be produced, now move iron core 21 and can overcome the elastic force of elastic component 26, dynamic iron core 21 moves toward static iron core 22 direction, now snap close 3 rotates backward, the end of force rod 33 is deviate from from draw-in groove 41, button 4 can eject drain pan 1 under the effect of back-moving spring 44 again, realize snap close 3 state, realize dropout and the snap close 3 of tripping mechanism and so forth.
Embodiment 2: a kind of Minitype electrical leakage breaker, as shown in Figure 8, it includes embodiment 1, and then this Minitype electrical leakage breaker has snap close 3 simple in construction and effect easy for installation equally.
Claims (10)
1. the tripping mechanism on a Minitype electrical leakage breaker, including drain pan (1), tripping coil assembly (2), button (4) and snap close (3), described button (4) is slidably connected on drain pan (1), described button (4) is provided with back-moving spring (44), described back-moving spring (44) hold button (4) end is positioned at drain pan (1) outward, it is characterized in that: integrally formed with projection (11) on described drain pan (1), described snap close (3) is provided with the shrinkage pool coordinated with projection (11) and realizes being rotationally connected.
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 1, it is characterized in that: described snap close (3) is provided with transmission arm (32), force rod (33) and moves, in tripping coil assembly (2), the driving lever (34) that iron core (21) links, described button (4) is provided with the draw-in groove (41) with force rod (33) end clamping, and described driving lever (34) drives snap close (3) rotation that force rod (33) end is deviate from from draw-in groove (41).
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 2, it is characterized in that: the end of described force rod (33) is L-shaped, the width of described draw-in groove (41) is more than the width of force rod (33) end, and described draw-in groove (41) inwall is provided with the inclined-plane (42) being easy to the abjection of force rod (33) end.
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 2, it is characterized in that: described dynamic iron core (21) is provided with linkage head (212) and the connecting portion (211) through driving lever (34), the diameter of described linkage head (212) is more than the diameter of connecting portion (211), described driving lever (34) is provided with the groove (341) passed for connecting portion (211), the breach (342) that one end of described groove (341) is provided with and the head that links (212) is adaptive.
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 1, it is characterized in that: described button (4) is provided with the mounting groove (43) for installing back-moving spring (44) near the side of drain pan (1) inwall, described drain pan (1) is provided with block (6), described back-moving spring (44) one end is connected on block (6), and the other end is connected on mounting groove (43) inner wall of end.
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 5, it is characterized in that: the both sides of described button (4) are provided with projection (45), described projection (45) abuts the abjection preventing button (4) with housing sidewall.
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 2, it is characterized in that: described drain pan (1) is provided with rib (5) and forms the placing trough being used for placing tripping coil assembly (2), described tripping coil assembly (2) horizontal positioned.
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 2, it is characterized in that: described tripping coil assembly (2) also includes metal installation base (23), static iron core (22), support (24) and coil windings (25), described coil windings (25) is wound on support (24), is provided with elastic component (26) between described dynamic iron core (21) and static iron core (22).
Tripping mechanism on Minitype electrical leakage breaker the most according to claim 6, it is characterized in that: the both sides of described block (6) are provided with sliver (7), described sliver (7) is provided with the cambered surface (71) being slidably matched with button (4).
10. a Minitype electrical leakage breaker, is characterized in that: include the arbitrary described tripping mechanism of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189317.9U CN205621686U (en) | 2016-03-11 | 2016-03-11 | Small -size electric leakage circuit breaker and tripping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189317.9U CN205621686U (en) | 2016-03-11 | 2016-03-11 | Small -size electric leakage circuit breaker and tripping device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205621686U true CN205621686U (en) | 2016-10-05 |
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ID=57033935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620189317.9U Expired - Fee Related CN205621686U (en) | 2016-03-11 | 2016-03-11 | Small -size electric leakage circuit breaker and tripping device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205621686U (en) |
-
2016
- 2016-03-11 CN CN201620189317.9U patent/CN205621686U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170311 |