CN204577357U - A kind of circuit breaker - Google Patents
A kind of circuit breaker Download PDFInfo
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- CN204577357U CN204577357U CN201520208773.9U CN201520208773U CN204577357U CN 204577357 U CN204577357 U CN 204577357U CN 201520208773 U CN201520208773 U CN 201520208773U CN 204577357 U CN204577357 U CN 204577357U
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- groove
- buckle
- fixture block
- snap fit
- circuit breaker
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Abstract
The utility model provides a kind of circuit breaker, comprises breaker body and buckle; Breaker body have the first groove and fixture block; Near the first groove fixture block the widest part from first end to fixture block between there is First Transition face; In buckle, the stiff end of snap fit is connected with buckle main body; The movable end clamping First Transition face of snap fit, there is elastic deformation when sliding in First Transition face; The bottom end face of buckle main body has the second groove, and the opening direction of the second groove is contrary with the opening direction of the first groove.Can the first groove of clamping distribution box whippletree and the second groove because breaker body and buckle have; Draw snap fit outward, make the first groove and the second groove distance be greater than whippletree width and just circuit breaker directly can be taken out, without the need to touching side circuit breaker; Because fixture block symmetrical structure and the interior snap fit to extruding are arranged, the position of center line of snap fit is stablized, and adaptively can find the center line of snap fit during installation accurately, prevents snap fit from installing deflection and causes snap fit deformable transition and buckle is damaged.
Description
Technical field
The utility model relates to distribution technique field, particularly a kind of circuit breaker.
Background technology
Circuit breaker, also become automatic air-break switch, be the electric current that can close, carry and cut-off under normal loop condition and can close, the switching device of carrying and the electric current under cut-offfing abnormal loop condition in official hour.When the electric equipment heavy overload in circuit, short circuit or under-voltage time, circuit breaker can automatic shutdown circuit, plays the effect of protection electric equipment.According to the difference of range of application, circuit breaker can be divided into low-voltage circuit breaker and primary cut-out, and its Low Voltage Circuit Breaker is widely used in low-voltage distributing line.
During use, be generally arranged on together in switch cubicle by multiple circuit breaker, realize different electric wire and control along separate routes, the draw-in groove of multiple circuit breaker is enclosed within the whippletree of switch cubicle one by one, and then is clamped by multiple circuit breaker with gripping mechanism.Such installation arranges circuit breaker and there is following disadvantage: when the circuit breaker that one of them circuit breaker is particularly middle goes wrong, need to dismantle gripping mechanism, disassembled by the circuit breaker of side, problem circuit breaker could be taken out, investigation fault, maintenance of equipment are safeguarded and are all extremely bothered.Also there is manufacturer production circuit breaker to start to adopt buckle fixed form, utilize the mating reaction of buckle and breaker body to be connected on whippletree, but such buckle is generally arranged on the operating surface of circuit breaker; And the snap fit of buckle is as export-oriented design, namely snap fit is not same parts on clamping breaker body, as do not made buckle and breaker body correctly coordinate in installation process, side snap fit may be made stressed damaged very greatly, buckle is scrapped.
Utility model content
For solving the problem that existing circuit breaker is inconvenient to dismantle, the utility model provides a kind of circuit breaker of new structure.
The utility model provides a kind of circuit breaker, comprises breaker body and buckle; The installed surface that described breaker body coordinates with distribution box whippletree have the first groove and fixture block;
Described first indention parallel is in described installed surface and point to described fixture block; Described fixture block is symmetrical along the direction pointing to described first groove;
Near the described fixture block of described first groove the widest part from first end to described fixture block between have seamlessly transit, First Transition face that width increases gradually;
Described buckle comprises buckle main body and two snap fits; The stiff end of described snap fit is connected with described buckle main body; First Transition face, the generation elastic deformation when sliding in described First Transition face described in the movable end clamping of described snap fit;
The bottom end face of described buckle main body has the second groove, and the opening direction of described second groove is contrary with the opening direction of described first groove.
Because breaker body and buckle having the first groove and the second groove that cooperatively interact, buckle can slide along the installed surface on breaker body under external force, circuit breaker is arranged on buckle after on whippletree by the applying external force distance expanded between the first groove and the second groove, and because of elastic reaction on snap fit and circuit breaker, resilience reduces the distance between the first groove and the second groove, makes circuit breaker clamp whippletree.When needing dismounting, draw snap fit outward, circuit breaker can directly take out by the active force that external force is greater than between snap fit and fixture block, without the need to touching side circuit breaker; Meanwhile, because the symmetrical structure of fixture block and the interior snap fit to extruding are arranged, during installation, the position of center line of snap fit is stablized, can adaptively be found accurately, prevents snap fit from installing deflection and causes deformable transition and buckle is damaged.
Preferably, the movable end of described snap fit compared to the stiff end of described snap fit away from described first groove.
Preferably, described fixture block is the symmetrical quadrangle in direction along described first groove; Second end of described fixture block to described fixture block the widest part between have seamlessly transit, the second transition face that width increases gradually.
Preferably, the slope in described First Transition face is greater than the slope of described second transition face.
Second transition face is set, the cooperation of snap fit and fixture block when can be conveniently arranged on breaker body by buckle; The slope of the second transition face is less than the slope in First Transition face, makes in installation buckle process firmly less, and firmly very large in unloading process, the stability both when ensureing normally to use.
Two sides of preferred described breaker body have slideway, and described buckle main body has the 3rd groove coordinated with described slideway; Described buckle is arranged on described breaker body by described slideway and described 3rd groove.
Slideway and the 3rd groove are set, utilize the clamping effect of slideway and the 3rd groove, buckle is arranged on the installed surface of breaker body, and can along installed surface surface sliding, easy to use, not easily depart from.
Preferably, described buckle main body also has draw ring, and described draw ring is positioned at the top of described buckle; When described breaker body is fixed on distribution box whippletree by described buckle, described draw ring protrudes from described breaker body.
Buckle arranges draw ring, when being convenient to operation, pulls buckle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment circuit breaker;
Fig. 2 is buckle schematic diagram in the utility model embodiment circuit breaker;
Fig. 3 is the utility model embodiment breaker body schematic diagram.
Embodiment
For making those skilled in the art better understand the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the schematic diagram of the utility model embodiment circuit breaker; Fig. 2 is buckle 2 schematic diagram in the utility model embodiment circuit breaker; Fig. 3 is the utility model embodiment breaker body 1 schematic diagram.From Fig. 1, wherein show the installation relation of breaker body 1 and buckle 2, Fig. 2 and Fig. 3 shows the concrete structure of buckle 2 and breaker body 1 respectively.
Circuit breaker in the utility model embodiment comprises breaker body 1 and buckle 2, and wherein breaker body 1 has corresponding open circuit, arc-extinguishing unit, realizes the function of proterctive equipment and pneumatic equipment.The installed surface coordinated with distribution box whippletree of breaker body 1 shell has the first groove 11, first groove 11 and be parallel to installed surface, namely the setting direction of the first groove 11 is parallel to the general direction of installed surface and points to fixture block 12.The installed surface that breaker body 1 shell coordinates with distribution box whippletree also has fixture block 12, and fixture block 12 protrudes from installed surface.In the utility model embodiment, to have to the widest part of fixture block 12 near the first end of the fixture block 12 of the first groove 11 seamlessly transit, First Transition face that width increases gradually.
Buckle 2 in the utility model embodiment is arranged on the installed surface of breaker body 1, can slide along the surface direction of installed surface, buckle 2 has buckle main body 22 and snap fit 21, the stiff end of snap fit 21 is connected with buckle main body 22, after buckle 2 clamping fixture block 12, the movable end of snap fit 21 contacts with the First Transition face on fixture block 12 and strain clamping First Transition face occurs.The opening direction of the opening direction that the bottom end face of buckle main body 22 also has the second groove 23, second groove 23 and the first groove 11 on the contrary, i.e. the buckle 2 of the second groove 23 is parallel with installed surface surface towards the first groove 11.
When needing circuit breaker to be arranged on distribution box whippletree, pull buckle 2, the second groove 23 moved away from the first groove 11, now snap fit 21 slide on the First Transition face of fixture block 12 elastic deformation strengthen.Circuit breaker can be connected on whippletree after distance when between the first groove 11 and the second groove 23 is greater than whippletree width.Strain is there is and there is trend of rebound in snap fit 21 under the effect of fixture block 12, and the First Transition face that fixture block 12 contacts with snap fit 21 movable end is for smoothly transitting, when after relieving buckle 2, snap fit 21 returns cunning along First Transition face under resilience force effect, the distance of the first groove 11 and the second groove 23 is diminished, has been connected on cross bar by the first groove 11 and the second groove 23.
In the utility model the movable end of snap fit 21 compared to the stiff end of snap fit 21 away from the first groove 11, namely the stiff end of snap fit 21 is positioned at the position of buckle main body 22 compared with upside, structure like this, need snap fit 21 to have similar U-shaped structure, the movable end of snap fit 21 can be contacted with the First Transition face of fixture block 12.Certainly, the stiff end of buckle 2 also can be arranged on the part near the first groove 11 in buckle main body 22.
The movable end that buckle 2 in the utility model embodiment has two snap fits 21 and a fixture block 12, two buckles 2 is close, and namely two buckles 2 clamp two First Transition faces of a fixture block 12.Because two First Transition faces of two snap fits 21, fixture block 12 are symmetrical structure, when snap fit 21 is installed, can the installation site of automatic capturing buckle 2 after snap fit 21 and fixture block 12 coordinate, ensure that the elastic deformation of two snap fits 21 is in setting range.Certainly, in other embodiments, also snap fit 21 can be set to the structure to circuit breaker two side surface direction deflections, two snap fits 21 set independently fixture block 12 respectively.Certainly, multiple snap fit 21 and fixture block 12 also can be set, as above-mentioned two situations combined, namely both there is the fixture block 12 in the utility model embodiment and snap fit 21 fit structure, also there is the fixture block 12 of snap fit 21 and snap fit 21 cooperation therewith deflected to circuit breaker two lateral plate direction.
In the utility model embodiment, away from the fixture block 12 of the first groove 11 the second end to fixture block 12 the widest part between have seamlessly transit, the second transition face that width progressively increases, two First Transition faces and and two the second transition faces make fixture block 12 cross section be the structure of near-rhombic, the second transition face is more level and smooth relative to First Transition face as can be seen from Figure.When being arranged on relay body by buckle 2, promote buckle 2 along installed surface, first snap fit 21 progressively increases on the second transition face surface and is connected on fixture block 12 at fixture block 12 width maximum position retraction 1.Certainly, in other embodiments, also can not arrange the second transition face, the second end of fixture block 12 is the plane being parallel to circuit breaker upper surface.
In the utility model embodiment, two sides of breaker body 1 also have slideway 13, the surface that buckle main body 22 contacts with installed surface has the 3rd groove 25 coordinated with slideway 13, buckle 2 is arranged on breaker body 1 by slideway 13 and the 3rd groove 25, makes snap fit 21 snapping slide block in sliding process.Certainly, additive method also can be adopted in other embodiments to be arranged on breaker body 1 by buckle 2.As directly relied on the extruding force of snap fit 21 and fixture block 12.Shall also be noted that the outer case of distribution box can just be fixed by circuit breaker two end faces in distribution box is installed, also indirectly play the effect connecting buckle 2 and breaker body 1.
In actual use, buckle main body 22 also having draw ring 24, when draw ring 24 is for being conveniently installed on relay on whippletree, pulling out buckle 2.Draw ring 24 is positioned at the top of buckle 2, and when not pulling buckle 2, draw ring 24 should be positioned at the outside in relay bodies top face, and ensureing when mounted can handled easily, embodiment draw ring function.Certainly, also draw ring 24 can be set in portion in other embodiments.
In above the utility model embodiment, circuit breaker is described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode; the explanation of above embodiment just understands core concept of the present utility model for helping; when not departing from the utility model principle; also can carry out some improvement and modification to the utility model, these improve and modify and also fall in protection range of the present utility model.
Claims (6)
1. a circuit breaker, is characterized in that: comprise breaker body (1) and buckle (2);
The installed surface that described breaker body (1) coordinates with distribution box whippletree have the first groove (11) and fixture block (12);
Described first groove (11) is parallel to described installed surface and points to described fixture block (12); Described fixture block (12) is symmetrical along the direction pointing to described first groove;
Near the described fixture block (12) of described first groove (11) the widest part from first end to described fixture block (12) between have seamlessly transit, First Transition face that width increases gradually;
Described buckle (2) comprises buckle main body (22) and two snap fits (21); The stiff end of described snap fit (21) is connected with described buckle main body (22); First Transition face, the generation elastic deformation when sliding in described First Transition face described in the movable end clamping of described snap fit (21);
The bottom end face of described buckle main body (22) has the second groove (23), and the opening direction of described second groove (23) is contrary with the opening direction of described first groove (11).
2. circuit breaker according to claim 1, is characterized in that: the movable end of described snap fit (21) compared to the stiff end of described snap fit (21) away from described first groove (11).
3. circuit breaker according to claim 2, is characterized in that: described fixture block is the symmetrical quadrangle in direction along described first groove; Second end of described fixture block to described fixture block (12) the widest part between have seamlessly transit, the second transition face that width increases gradually.
4. circuit breaker according to claim 3, is characterized in that: the slope in described First Transition face is greater than the slope of described second transition face.
5. the circuit breaker according to any one of claim 1-4, it is characterized in that: two sides of described breaker body (1) have slideway (13), described buckle main body (22) has the 3rd groove (25) coordinated with described slideway (13); Described buckle (2) is arranged on described breaker body (1) by described slideway (13) and described 3rd groove (25).
6. circuit breaker according to claim 5, is characterized in that: described buckle main body (22) also has draw ring (24), and described draw ring (24) is positioned at the top of described buckle (2); When described breaker body (1) is fixed on distribution box whippletree by described buckle (2), described draw ring (24) protrudes from described breaker body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208773.9U CN204577357U (en) | 2015-04-08 | 2015-04-08 | A kind of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208773.9U CN204577357U (en) | 2015-04-08 | 2015-04-08 | A kind of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204577357U true CN204577357U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208773.9U Active CN204577357U (en) | 2015-04-08 | 2015-04-08 | A kind of circuit breaker |
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| CN (1) | CN204577357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513906A (en) * | 2016-02-03 | 2016-04-20 | 杭州泰姆电气有限公司 | Circuit breaker and buckle assembly thereof |
| CN108879406A (en) * | 2017-05-09 | 2018-11-23 | 人民电器集团上海有限公司 | A kind of breaker installs case |
-
2015
- 2015-04-08 CN CN201520208773.9U patent/CN204577357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513906A (en) * | 2016-02-03 | 2016-04-20 | 杭州泰姆电气有限公司 | Circuit breaker and buckle assembly thereof |
| CN108879406A (en) * | 2017-05-09 | 2018-11-23 | 人民电器集团上海有限公司 | A kind of breaker installs case |
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