CN203733726U - Small-sized circuit breaker used in closed housing - Google Patents
Small-sized circuit breaker used in closed housing Download PDFInfo
- Publication number
- CN203733726U CN203733726U CN201420148347.6U CN201420148347U CN203733726U CN 203733726 U CN203733726 U CN 203733726U CN 201420148347 U CN201420148347 U CN 201420148347U CN 203733726 U CN203733726 U CN 203733726U
- Authority
- CN
- China
- Prior art keywords
- fluting
- circuit breaker
- main body
- depression
- switch main
- 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 - Lifetime
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000013016 damping Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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- Breakers (AREA)
Abstract
The utility model discloses a small-sized circuit breaker used in a closed housing. The small-sized circuit breaker comprises a switch body, a control part and a metal rack, wherein the upper part of the switch body is a mounting part, the control part is capable of rotating along a first shaft and arranged at the mounting part, the lower end part of the metal rack is fixedly connected with the control part; a protective bracket used for limiting the metal rack to rotate relative to the switch body is mounted on the switch body, and a locking mechanism used for locking the protective bracket and the switch body is arranged between the protective bracket and the switch body. In the process of rotating a knob by an operator, the metal rack can only be rotated in the range limited by the protective bracket, so that the phenomenon that fracture between the metal rack and the control part caused by overlarge rotation angle of the knob, or overlarge applied force can be avoided effectively; therefore, the application of the small-sized circuit breaker is safer.
Description
Technical field
the utility model relates to the miniature circuit breaker using in a kind of closure casing.
Background technology
the miniature circuit breaker using in closure casing of the prior art, comprise top be installation portion Switch main body, can rotate the golden frame that the portion that controls that be arranged on described installation portion, bottom and the described portion of controlling are fixedly connected along the first axle.When concrete use, miniature circuit breaker switch is mounted in closure casing, the miniature circuit breaker using in closure casing also comprises the distribution box cover plate being arranged on cavity, on distribution box cover plate, be rotatably connected to rotary handle, on distribution box cover plate, have perforation, knob is inserted in perforation, the inner end of knob is fixed with dwang, on dwang, offer along its length elongated slot, gold frame is inserted in this elongated slot, the length direction of this elongated slot, the rotational axis line of knob with the rotational axis line phase space of the first axle vertical.In the process of turning knob, dwang be take the center of rotation of knob and is a spot wobble, and golden frame slides in groove, thus dwang with control portion around the first axle rotating shaft, control miniature circuit breaker switch and change between opening and closing.But in actual mechanical process, usually can be owing to making the not high of precision, or artificial misoperation, the angle that causes rotation is excessive, causes golden frame to put in place, and dwang is also rotating, thus make to rupture between golden frame and control part.If distribution box cover plate is opened to the miniature circuit breaker maintenance to using in closure casing, has again potential safety hazard.
Utility model content
the technical problems to be solved in the utility model is to provide the miniature circuit breaker using in a kind of closure casing.
in order to solve the problems of the technologies described above; the technical solution adopted in the utility model is: the miniature circuit breaker using in a kind of closure casing; comprise top be installation portion Switch main body, can rotate the golden frame that the portion that controls be arranged on described installation portion, bottom and the described portion of controlling are fixedly connected along the first axle; the protective cradle rotating relative to described Switch main body for limiting described golden frame is installed on described Switch main body, between described protective cradle and described Switch main body, is provided with the locking mechanism for both are locked.
in some embodiments, alongst offer spacing elongated slot on described protective cradle, described golden chord position is in described spacing elongated slot, and the length direction of described spacing elongated slot is vertical with the axial line phase space of described the first axle.
in some further execution mode, two the relative cell walls on the length direction of described spacing elongated slot tilt, can with the contacting of described golden frame maximum area.
in some embodiments, described locking mechanism comprise the first locking mechanism between a sidepiece of the sidepiece that is arranged at described protective cradle and described Switch main body, the second locking mechanism between the other side of the protective cradle described in being arranged at and the other side of described Switch main body.
in some further execution mode; the first described locking mechanism comprises along the length direction of spacing elongated slot and is slidably arranged in the first travelling carriage on described protective cradle one sidepiece, is opened in the first fluting on described Switch main body one sidepiece; on the first described travelling carriage, be provided with the first hook housing stretching out downwards; on the first described hook housing, there is the first hook portion for coordinating with described the first fluting phase hook, between the first described travelling carriage and described protective cradle one sidepiece, be provided with the first damping mechanism.
further; the first described damping mechanism comprises that an end has the first spring of the first positioning convex, is opened in the one one depression and the first anticreep depression on described protective cradle one sidepiece; the other end of the first described spring is fixedly connected with the first described travelling carriage; in the time of in the first described positioning convex is inserted in the one one described depression; the first described hook portion is hooked in the first described fluting; in the first described positioning convex is inserted in the first described anticreep depression, the first described hook portion departs from the first described fluting.
in some another further execution mode; the second described locking mechanism comprises along the length direction of spacing elongated slot and is slidably arranged in the second travelling carriage on described protective cradle the other side, is opened in the second fluting on described Switch main body the other side; on the second described travelling carriage, be provided with the second hook housing stretching out downwards; on the second described hook housing, there is the second hook portion coordinating for the second described fluting phase hook, between the second described travelling carriage and described protective cradle the other side, be provided with the second damping mechanism.
further preferred again; on described Switch main body, can dismantle and be provided with earth leakage protective frame; described earth leakage protective frame blocks the second described fluting, and on described earth leakage protective frame, offers the 3rd fluting coordinating for the second hook portion phase hook with described.
again further, the second described damping mechanism comprises that an end has the second spring of the second positioning convex, three the 21 depressions and the two or two depression and the second anticreep depression that are opened in successively on described protective cradle the other side, the other end of the second described spring is fixedly connected with the second described travelling carriage, in the time of in the second described positioning convex is inserted in the 21 described depression, when the second described hook portion is inserted in the second described fluting, in the time of in the second described positioning convex is inserted in the two or two described depression, the second described hook portion is inserted in the 3rd described fluting, in the second described positioning convex is inserted in the second described anticreep depression, the second described hook portion and described the second fluting and the 3rd described fluting are all separated.
in some embodiments, the width dimensions of described protective cradle is identical with the width dimensions of described Switch main body.
scope of the present utility model, is not limited to the technical scheme that the particular combination of above-mentioned technical characterictic forms, and also should contain by above-mentioned technical characterictic or its equivalent feature and carry out combination in any and other technical scheme of forming simultaneously.The technical characterictic that has a similar functions such as disclosed in above-mentioned feature and the application (but being not limited to) is replaced mutually and technical scheme of forming etc.
because technique scheme is used; the utility model compared with prior art has following advantages: operator is in the process of turning knob; in the scope that gold frame is merely able to limit at protective cradle, rotate; effectively avoided due to the knob anglec of rotation or firmly excessive; cause golden frame and control the fracture between portion, use safer.
Accompanying drawing explanation
accompanying drawing 1 is schematic perspective view one of the present utility model;
accompanying drawing 2 is schematic perspective view two of the present utility model;
accompanying drawing 3 is exploded view of the present utility model;
accompanying drawing 4 is complete section figure of the present utility model (the first hook portion is hooked in the first fluting, and the second hook portion is hooked in the second fluting);
accompanying drawing 5 is complete section figure of the present utility model (the first hook portion is hooked in the first fluting, and the second hook portion is hooked in the 3rd fluting, earth leakage protective frame and offer in the 3rd fluting figure on it and omit);
accompanying drawing 6 is complete section figure of the present utility model (the first hook portion the first fluting and disengaging, the second hook portion hook and the second fluting and the 3rd fluting are all separated);
wherein: 10, Switch main body; 11, control portion; 12, the first axle; 13, golden frame; 20, protective cradle; 21, spacing elongated slot; 22, cell wall; 30, the first travelling carriage; 31, the first fluting; 32, the first hook housing; 33, the first hook portion; 34, the first spring; 35, the one one depression; 36, the first positioning convex; 37, the first anticreep depression; 40, the second travelling carriage; 41, the second fluting; 42, the second hook housing; 43, the second hook portion; 44, the second spring; 45, the 21 depression; 46, the two or two depression; 47, the second positioning convex; 48, the second anticreep depression.
Embodiment
as shown in the drawings, the miniature circuit breaker using in a kind of closure casing, comprises that top is divided into the Switch main body 10 of installation portion, can rotates and be arranged on the portion that controls 11, the bottom on installation portion and control the golden frame 13 that portion 11 is fixedly connected along the first axle 12.
the protective cradle 20 rotating relative to Switch main body 10 for limiting golden frame 13 is installed on Switch main body 10; specifically; protective cradle 20 is for limiting the rotational angle of golden frame 13 relative Switch main bodies 10; and limit in the process of the turn-button rotating drive of golden frame 13 on distribution box cover plate gold frame 13 golden frame 13 in the vibration of the axial generation of the first axle 12, between protection protective cradle 20 and Switch main body 10, be provided with the locking mechanism for both are locked.
in the present embodiment, alongst offer spacing elongated slot 21 on protective cradle 20, golden frame 13 only can be slidably arranged in along the length direction of spacing elongated slot 21 in spacing elongated slot 21, and the length direction of spacing elongated slot 21 is vertical with the axial line phase space of the first axle 12.Gold frame 13 is size-constrained at the Width of spacing elongated slot 21.Two relative cell walls 22 on the length direction of spacing elongated slot 21 tilt, can with the contacting of golden frame 13 maximum areas.
on protective cradle 20, offering spacing elongated slot 21 is can only in the angular range of spacing elongated slot 21 restrictions, rotate in the first axle 12 rotation processes in order to limit golden frame 13.
in order to reach the effect that limits rotational angle; except offering on protective cradle 20 spacing elongated slot 21, without diagram, can also on protective cradle 20, protrude the first protuberance, the second protuberance, the 3rd protuberance and the 4th protuberance are set; four surround an inc space, are similar to elongated slot.
locking mechanism comprises the second locking mechanism between the other side that is arranged at the first locking mechanism, the other side that is arranged at protective cradle 20 and Switch main body 10 between a sidepiece of protective cradle 20 and a sidepiece of Switch main body 10.
the first locking mechanism and the second locking mechanism can adopt the latch-up structure of same type, also can adopt dissimilar latch-up structure.It in the present embodiment, is same type.
as shown in accompanying drawing 3-accompanying drawing 6, the first locking mechanism comprises along the length direction of spacing elongated slot 21 and is slidably arranged in the first travelling carriage 30 on protective cradle 20 1 sidepieces, is opened in the fluting of first on Switch main body 10 1 sidepieces 31.
switch main body 10 is standard component normally, and the first fluting 31 is to be all originally just opened on Switch main body 10 with following the second fluting 41 of mentioning.
on the first travelling carriage 30, be provided with between the first hook portion 33, the first travelling carriages 30 of having on the first hook housing 32, the first hook housings 32 that stretch out downwards for coordinating with the first fluting 31 phase hooks and protective cradle 20 1 sidepieces and be provided with the first damping mechanism.The first locking mechanism has latched position and unlocked position, and when the first locking mechanism is under latched position, the first hook portion 33 is hooked the first fluting 31, and when the first locking mechanism is in the unlocked position down, the first hook portion 33 and the first fluting 31 are separated.
the second locking mechanism comprises along the length direction of spacing elongated slot 21 and is slidably arranged in the second travelling carriage 40 on protective cradle 20 the other sides, is opened in the fluting of second on Switch main body 10 the other sides 41; on the second travelling carriage 40, be provided with the second hook housing 42 stretching out downwards; on the second hook housing 42, have between the second hook portion 43, the second travelling carriages 40 of coordinating for the second fluting 41 phase hooks and protective cradle 20 the other sides and be provided with the second damping mechanism.
on Switch main body 10, do not possess the earth leakage protective frame of mentioning in following literary composition; when the second locking mechanism has latched position and unlocked position; when the second locking mechanism is under latched position; the second hook portion 43 is hooked the second fluting 41; when the second locking mechanism is in the unlocked position down, the second hook portion 43 and the second fluting 41 are separated.
the first travelling carriage 30 and the second travelling carriage 40 are all to slide to arrange on protective cradle 20.Slip by the first travelling carriage 30 and the second travelling carriage 40 is with respect to the slip of protective cradle 20, thereby the first hook portion 33 inserted or departed from the first fluting 31, the second hook portions 43 to insert or exit the second fluting 41.
the first damping mechanism comprises that an end has the first spring 34 of the first positioning convex 36, is opened in the depression of the 1 on protective cradle 20 1 sidepieces the 35 and first anticreep depression 37; the other end of the first spring 34 is fixedly connected with one-body molded with the first travelling carriage 30; when the first positioning convex 36 is inserted in the one one depression 35 when interior; the first hook portion 33 is hooked in the first fluting 31; in the first positioning convex 36 is inserted in the first anticreep depression 37, the first hook portion 33 departs from the first fluting 31.The difference of the one one depression the 35 and first anticreep depression 37 is, the one one depression 35 has domatic on the sliding trace of the first positioning convex 36, and only having a side slope in the first anticreep depression 37, opposite side is to forbid that the first positioning convex 36 departs from facing directly of the first anticreep depression 37.The first travelling carriage 30 cannot depart from protective cradle 20.
on Switch main body 10, be can dismantle to be provided with earth leakage protective frame, earth leakage protective frame is without diagram.Earth leakage protective frame blocks the second fluting 41, and on earth leakage protective frame, offers the 3rd fluting for coordinating with the second hook portion 43 phase hooks.During actual use; according to the practical set situation on Switch main body 10, if earth leakage protective frame is installed on Switch main body 10, the second hook portion 43 just coordinates with the 3rd fluting; if earth leakage protective frame is not installed on Switch main body 10, the second hook portion 43 just coordinates with the second fluting 41.
the second damping mechanism comprises that an end has the second spring 44 of the second positioning convex 47, three are opened in the depression of the 21 on protective cradle 20 the other sides the 45 and the 22 depression the 46 and second anticreep depression 48 successively, the other end of the second spring 44 is fixedly connected with one-body molded with the second travelling carriage 40, when the second positioning convex 47 is inserted in the 21 depression 45 when interior, on Switch main body 10, do not fill earth leakage protective frame, the second hook portion 43 is inserted in the second fluting 41, in the second positioning convex 47 is inserted in the two or two depression 46, earth leakage protective frame is installed on Switch main body 10, the second hook portion 43 is inserted in the 3rd fluting.In the second positioning convex 47 is inserted in the second anticreep depression 48, the second hook portion 43 and the second fluting the 41 and the 3rd fluting are all separated.The 21 depression the 45 and the 22 depression 46 is similar to the one one depression 35, the second anticreep depressions 48 and is similar to the first anticreep depression 37.The second travelling carriage 40 cannot depart from protective cradle 20.
in the present embodiment, the concrete structure of the first damping mechanism and the second damping mechanism is simpler, but the first damping mechanism and the second damping mechanism be specifically not limited to the structure in the present embodiment, so long as the structure of locating between the parts of two slips can be able to be suitable for conventionally, do not repeat them here.
without diagram, about the structure of the first locking mechanism and the second locking mechanism, can also be other structure, as the first hook housing and the second hook housing are directly rotatably connected on respectively to the both sides of protective cradle.And between the first hook housing and protective cradle, be provided with the elastic component that makes the first hook portion closely hook the first fluting.Between the second hook housing and protective cradle, be provided with equally such elastic component.
the width dimensions of protective cradle 20 is identical with the width dimensions of Switch main body 10.Be convenient to install good looking appearance.
above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (10)
1. the miniature circuit breaker using in a closure casing, comprise that top is the Switch main body (10) of installation portion, can rotate the portion that controls (11) being arranged on described installation portion along the first axle (12), the golden frame (13) that bottom and the described portion that controls (11) are fixedly connected, it is characterized in that: the protective cradle (20) rotating relative to described Switch main body (10) for limiting described golden frame (13) is installed on described Switch main body (10), between described protective cradle (20) and described Switch main body (10), be provided with for by the locking mechanism of both lockings.
2. the miniature circuit breaker using in closure casing according to claim 1; it is characterized in that: on described protective cradle (20), alongst offer spacing elongated slot (21); described golden frame (13) only can be slidably arranged in along the length direction of described spacing elongated slot (21) in described spacing elongated slot (21), and the length direction of described spacing elongated slot (21) is vertical with the axial line phase space of described the first axle (12).
3. the miniature circuit breaker using in closure casing according to claim 2, it is characterized in that: relative two cell walls (22) on the length direction of described spacing elongated slot (21) tilt, can with the contacting of described golden frame (13) maximum area.
4. the miniature circuit breaker using in closure casing according to claim 1, is characterized in that: described locking mechanism comprises the first locking mechanism between a sidepiece of the sidepiece that is arranged at described protective cradle (20) and described Switch main body (10), the second locking mechanism between the other side of the protective cradle (20) described in being arranged at and the other side of described Switch main body (10).
5. the miniature circuit breaker using in closure casing according to claim 4, it is characterized in that: the first described locking mechanism comprises the first travelling carriage (30) on protective cradle (20) one sidepieces described in being slidably arranged in along the length direction of spacing elongated slot (21), be opened in the first fluting (31) on described Switch main body (10) one sidepieces, on described the first travelling carriage (30), be provided with the first hook housing (32) stretching out downwards, on described the first hook housing (32), there is the first hook portion (33) coordinating for first fluting (31) phase hook with described, between described the first travelling carriage (30) and described protective cradle (20) one sidepieces, be provided with the first damping mechanism.
6. the miniature circuit breaker using in closure casing according to claim 5, it is characterized in that: the first described damping mechanism comprises that an end has first spring (34) of the first positioning convex (36), be opened in the one one depression (35) and the first anticreep depression (37) on described protective cradle (20) one sidepieces, the other end of described the first spring (34) is fixedly connected with described the first travelling carriage (30), in the time of in described the first positioning convex (36) is inserted in the one one described depression (35), described the first hook portion (33) is hooked in the first described fluting (31), in described the first positioning convex (36) is inserted in the first described anticreep depression (37), described the first hook portion (33) departs from the first described fluting (31).
7. the miniature circuit breaker using in closure casing according to claim 4, it is characterized in that: the second described locking mechanism comprises the second travelling carriage (40) on protective cradle (20) the other side described in being slidably arranged in along the length direction of spacing elongated slot (21), be opened in the second fluting (41) on described Switch main body (10) the other side, on described the second travelling carriage (40), be provided with the second hook housing (42) stretching out downwards, on described the second hook housing (42), there is the second hook portion (43) coordinating for second described fluting (41) phase hook, between described the second travelling carriage (40) and described protective cradle (20) the other side, be provided with the second damping mechanism.
8. the miniature circuit breaker using in closure casing according to claim 7; it is characterized in that: on described Switch main body (10), can dismantle and be provided with earth leakage protective frame; described earth leakage protective frame blocks the second described fluting (41), and on described earth leakage protective frame, offers the 3rd fluting coordinating for the second hook portion (43) the phase hook with described.
9. the miniature circuit breaker using in closure casing according to claim 8, it is characterized in that: the second described damping mechanism comprises that an end has second spring (44) of the second positioning convex (47), three the 21 depressions (45) and the two or two depression (46) and the second anticreep depression (48) that are opened in successively on described protective cradle (20) the other side, the other end of described the second spring (44) is fixedly connected with described the second travelling carriage (40), in the time of in described the second positioning convex (47) is inserted in the 21 described depression (45), described the second hook portion (43) is inserted in the second described fluting (41), in the time of in described the second positioning convex (47) is inserted in the two or two described depression (46), described the second hook portion (43) is inserted in the 3rd described fluting, in described the second positioning convex (47) is inserted in the second described anticreep depression (48), described the second hook portion (43) and described the second fluting (41) and the 3rd described fluting are all separated.
10. the miniature circuit breaker using in closure casing according to claim 1, is characterized in that: the width dimensions of described protective cradle (20) is identical with the width dimensions of described Switch main body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148347.6U CN203733726U (en) | 2014-03-28 | 2014-03-28 | Small-sized circuit breaker used in closed housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148347.6U CN203733726U (en) | 2014-03-28 | 2014-03-28 | Small-sized circuit breaker used in closed housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733726U true CN203733726U (en) | 2014-07-23 |
Family
ID=51203777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148347.6U Expired - Lifetime CN203733726U (en) | 2014-03-28 | 2014-03-28 | Small-sized circuit breaker used in closed housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854930A (en) * | 2014-03-28 | 2014-06-11 | 新黎明科技股份有限公司 | Small breaker used in closed shell |
-
2014
- 2014-03-28 CN CN201420148347.6U patent/CN203733726U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854930A (en) * | 2014-03-28 | 2014-06-11 | 新黎明科技股份有限公司 | Small breaker used in closed shell |
| CN103854930B (en) * | 2014-03-28 | 2015-11-18 | 新黎明科技股份有限公司 | The miniature circuit breaker used in closure casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |