CN203300578U - Residual-current circuit breaker handle - Google Patents
Residual-current circuit breaker handle Download PDFInfo
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- CN203300578U CN203300578U CN2013203700618U CN201320370061U CN203300578U CN 203300578 U CN203300578 U CN 203300578U CN 2013203700618 U CN2013203700618 U CN 2013203700618U CN 201320370061 U CN201320370061 U CN 201320370061U CN 203300578 U CN203300578 U CN 203300578U
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- circuit breaker
- current circuit
- spanner
- residual current
- boss
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Abstract
The utility model discloses a residual-current circuit breaker handle, which comprises a handle body (1) and a protective sleeve (2) sleeved outside a wrench (3) of the handle body (1), and is characterized in that at least one boss (4) is respectively formed on two side surfaces of the wrench (3), through holes (5) are formed in positions, corresponding to the bosses (4), at side plates (6) of the protective sleeve (2), the bosses (4) are fit with the through holes (5) in shape and pass through the through holes (5), and the wrench (3) is tightly adhered with the protective sleeve (2). The residual-current circuit breaker handle has the advantages of easy processing, low cost, high production efficiency, good reliability and high strength.
Description
Technical field
The utility model relates to the low voltage electrical apparatus technology field, especially relates to a kind of residual current circuit breaker handle.
Background technology
Aftercurrent protection circuit breaker with automatic reclosing belongs to a kind of of residual current circuit breaker, is current use a kind of circuit breaker very widely.This circuit breaker is in when work, and motor drive mechanism drives the action of residual current circuit breaker handle, and then handle passes to circuit breaker operation mechanism with actuating force, thereby realizes the separating brake of circuit breaker/combined floodgate.Therefore, this residual current circuit breaker handle need to have higher mechanical strength and bears the active force of motor drive mechanism.
In prior art, the residual current circuit breaker handle is plastic material, in the outer cover of handle, Bao Tietao with holes is arranged, and improves the intensity of handle.When handle and iron cover are connected and fixed, at first the iron cover is enclosed within handle outer, then get through hole on handle, then the links such as tapping screw are passed through hole, thereby handle and iron cover are fixed together.The fixing means of this iron cover and handle, although by the suit iron sheet, reinforced to a certain extent handle, but due in the fixing process of handle and iron cover, need to punch to plastic handle, this has reduced again the mechanical strength of plastic handle itself undoubtedly, and the iron cover is also smaller with the faying face of handle, so this method is to strengthening handle strength effect and bad.In addition, restriction due to assembly relation, the horizontal space of handle is very little, usually be all the end face punching mounting screw from handle, like this, screw meeting loose or dislocation after handle and motor drive mechanism coordinate for a long time, after screw can be fallen into circuit breaker inside, be easy to cause the short circuit between live part, have potential safety hazard, affect the normal operation of mechanism.
For this reason, Chinese patent literature CN201498388U discloses a kind of small-size breaker handle, and the spanner both sides on handle are distributed with groove, described groove and the fixture block phase clamping that is distributed in the handle cover two ends.Above-mentioned this small-size breaker handle, link together four handles of circuit breaker (level Four) by the buckle on spanner and sheath, reinforces to a certain extent handle.But because the buckle structure on spanner and sheath is that machine-shaping is then assembled respectively, firmness after both fastening is difficult to long-term assurance, if such scheme is directly applied to the residual current circuit breaker handle, in the situation that motor drive mechanism is stirred handle repeatedly, sheath is very easy to loose or dislocation, poor reliability; In addition, because above-mentioned buckle structure need to be processed respectively spanner and sheath, and then assemble, operation is comparatively complicated, and processing cost is higher, and production efficiency is lower.
The utility model content
For this reason, technical problem to be solved in the utility model is the handle poor reliability of prior art, and manufacturing procedure is complicated, and cost is higher, production efficiency is lower, and a kind of processing that is easy to is provided, and cost is lower, production efficiency is high, good reliability, the residual current circuit breaker handle that intensity is high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of residual current circuit breaker handle; the protective sleeve that comprises handle body and be sleeved on the spanner outside of described handle body; two sides of described spanner respectively form at least one boss; the side plate of described protective sleeve forms through hole on the position corresponding to described boss; the shape of described boss and described through hole adapts and passes described through hole, and described spanner and described protective sleeve fit tightly.
In above-mentioned residual current circuit breaker handle, two sides of described spanner respectively form three described boss, and three described boss triangularities on each side are arranged.
In above-mentioned residual current circuit breaker handle, two sides of described spanner respectively form four described boss, and four described boss diamondwises on each side are arranged.
In above-mentioned residual current circuit breaker handle, the height of described boss is identical with the degree of depth of described through hole.
In above-mentioned residual current circuit breaker handle, the support guide plate of the root of described spanner and described handle body links into an integrated entity by the arcwall face transition.
In above-mentioned residual current circuit breaker handle, described arcwall face is arc surface.
In above-mentioned residual current circuit breaker handle, the described boss on two sides of described spanner is symmetrical with respect to the axis of described spanner.
In above-mentioned residual current circuit breaker handle, described protective sleeve is U-shaped with described spanner profile coupling, and two described side plates link into an integrated entity by top board.
In above-mentioned residual current circuit breaker handle, described protective sleeve is metal protection protector.
In above-mentioned residual current circuit breaker handle, described boss is cylindrical or cube edge cylinder shape.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the residual current circuit breaker handle that provides of the utility model; two sides of the spanner of handle body respectively form at least one boss; the side plate of protective sleeve forms through hole on the position corresponding to boss, and the shape of boss and through hole adapts and passes through hole, and spanner and protective sleeve fit tightly.Compare with the handle of prior art, the utility model handle need not handle is punched, and can not reduce the intensity of handle itself, also need not in advance spanner and protective sleeve to be processed respectively syndeton, and processing technology is simple, and cost is lower, and production efficiency is high; The spanner part of handle body becomes large with the contact area of protective sleeve, makes the strength increase of whole handle, good reliability.
(2) the residual current circuit breaker handle that provides of the utility model; two sides of spanner respectively form three boss; three boss triangularities on each side are arranged; perhaps two of spanner sides respectively form four boss; four boss diamondwises on each side are arranged; above-mentioned arrangement mode can make handle body and protective sleeve stress equalization, has strengthened the both stability of coupling part, further improves handle strength.
(3) the residual current circuit breaker handle that provides of the utility model; wherein the height of boss is identical with the degree of depth of through hole; after making spanner and protective sleeve fit tightly; the upper surface of boss is concordant with the protective sleeve surface; do not affect the normal operation of motor drive mechanism; to directly with protective sleeve, contact during the motor drive mechanism operation, not only reduce the resistance of operation, and reduced the damage of mechanism to handle.
(4) the residual current circuit breaker handle that provides of the utility model, wherein the support guide plate of the root of spanner and handle body links into an integrated entity by the arcwall face transition, thereby the connecting portion of overstriking spanner and support guide plate, strengthen the bonding strength at this position, further strengthens the intensity of whole handle.
(5) the residual current circuit breaker handle that provides of the utility model, wherein the support guide plate of the root of spanner and handle body links into an integrated entity by the arc surface transition, and arc surface is easy to process, is easy to make, and reduces the handle production cost.
(6) the residual current circuit breaker handle that provides of the utility model, the boss on two sides of spanner is symmetrical with respect to the axis of spanner, and this is designed with the disposable processing that is beneficial to handle body, enhances productivity.
(7) the residual current circuit breaker handle that provides of the utility model, protective sleeve are U-shaped with spanner profile coupling, can with the spanner partial shape coupling of handle body, be conducive to protective sleeve and handle body fits tightly, guarantee handle strength, and be easy to machine-shaping.
(8) the residual current circuit breaker handle that provides of the utility model; it is U-shaped that protective sleeve becomes; wherein protective sleeve is metal protection protector; be preferably the irony material; the hardness of ferrous metal material is high on the one hand; can become well protection to the handle wrench-shaped, the protective sleeve cost of ferrous metal material is also lower on the other hand, is conducive to the control appliance cost.
(8) the residual current circuit breaker handle that provides of the utility model, wherein boss is cylindrical or cube edge cylinder shape, this design is when guaranteeing that the boss upper surface is plane, and convenient processing.
Description of drawings
, for content of the present utility model is more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the schematic diagram of the utility model residual current circuit breaker handle;
Fig. 2 is the schematic diagram of handle body in the utility model residual current circuit breaker handle;
Fig. 3 is the schematic diagram of protective sleeve in the utility model residual current circuit breaker handle.
In figure, Reference numeral is expressed as: 1-handle body, 2-protective sleeve, 3-spanner, 4-boss, 5-through hole, 6-side plate, 7-top board, 8-support guide plate, 9-arcwall face, 10-jack.
Embodiment
As shown in Figure 1, be the preferred embodiment of the utility model residual current circuit breaker handle.
Described residual current circuit breaker handle comprises handle body 1 and protective sleeve 2; Described handle body 1 comprises the spanner 3 on top and the support guide plate 8 of bottom; Described protective sleeve 2 is sleeved on the outside of described spanner 3, and described protective sleeve 2 is metal protection protector, and in the present embodiment, described protective sleeve 2 is the irony material.The bottom of described support guide plate 8 forms the jack 10 of with circuit breaker lever mechanism, pegging graft.
As Figure 2-3; two sides at described spanner 3 respectively form at least one boss 4; form through hole 5 on the position of side plate 6 corresponding to described boss 4 of described protective sleeve 2; described boss 4 adapts and passes described through hole 5 with the shape of described through hole 5, and described spanner 3 fits tightly with described protective sleeve 2.Described protective sleeve 1 is U-shaped with described spanner 3 profiles couplings, and two described side plates 6 link into an integrated entity by top board 7.
In the present embodiment, two sides of described spanner 3 respectively form three described boss 4, and three described boss 4 triangularities on each side are arranged, and the described boss 4 on 3 two sides of described spanner is symmetrical with respect to the axis of described spanner 3; The height of described boss 4 is identical with the degree of depth of described through hole 5; Described boss 4 is cylindrical.
The support guide plate 8 of the root of described spanner 3 and described handle body 1 links into an integrated entity by arcwall face 9 transition, and in the present embodiment, described arcwall face 9 is arc surface.
Residual current circuit breaker handle of the present utility model is by following processes moulding:
(1) at first, set out described through hole 5 on the sheet sheet material that size and described spanner 3 parts meet, then described sheet sheet material is bent into U-shaped with described spanner 3 sizes couplings, and makes two described through holes 5 on described side plate 6 symmetrical with respect to the axis of described spanner 3.
The mould that the described protective sleeve 2 that (2) will offer described through hole 5 is put into handle body 1 carries out injection moulding, and described spanner 3 parts go out to fill up the described boss 4 of described through hole 5 through injection mo(u)ldings, and the height of described boss 4 is identical with the degree of depth of described through hole 5; The described spanner 3 of final described handle body 1 fits tightly by pressing process and described protective sleeve 2.
In other embodiments, two sides of spanner 3 can respectively form four described boss 4, and four described boss 4 diamondwises on each side are arranged, and can play producing balanced forces equally, strengthen the purpose of protective sleeve and spanner 3 bonding strengths.
In other embodiments, boss 4 can be designed to cube edge cylinder shape, as long as make the upper surface of described boss 4, is plane.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of the utility model creation.
Claims (10)
1. residual current circuit breaker handle; the outside protective sleeve (2) of spanner (3) that comprises handle body (1) and be sleeved on described handle body (1); it is characterized in that: two sides of described spanner (3) respectively form at least one boss (4); form through hole (5) on the position of side plate (6) corresponding to described boss (4) of described protective sleeve (1); described boss (4) adapts and passes described through hole (5) with the shape of described through hole (5), and described spanner (3) fits tightly with described protective sleeve (2).
2. residual current circuit breaker handle according to claim 1, it is characterized in that: two sides of described spanner (3) respectively form three described boss (4), and three described boss (4) triangularity on each side is arranged.
3. residual current circuit breaker handle according to claim 1, it is characterized in that: two sides of described spanner (3) respectively form four described boss (4), and four described boss (4) diamondwise on each side is arranged.
4. according to claim 1-3 arbitrary described residual current circuit breaker handles, it is characterized in that: the height of described boss (4) is identical with the degree of depth of described through hole (5).
5. residual current circuit breaker handle according to claim 4, it is characterized in that: the support guide plate (8) of the root of described spanner (3) and described handle body (1) links into an integrated entity by arcwall face (9) transition.
6. residual current circuit breaker handle according to claim 5, it is characterized in that: described arcwall face (9) is arc surface.
7. residual current circuit breaker handle according to claim 6 is characterized in that: the described boss (4) on (3) two sides of described spanner is symmetrical with respect to the axis of described spanner (3).
8. residual current circuit breaker handle according to claim 7 is characterized in that: U-shaped for described spanner (3) profile coupling of described protective sleeve (2), two described side plates (6) link into an integrated entity by top board (7).
9. residual current circuit breaker handle according to claim 8, it is characterized in that: described protective sleeve (2) is metal protection protector.
10. residual current circuit breaker handle according to claim 9 is characterized in that: described boss (4) is cylindrical or cube edge cylinder shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203700618U CN203300578U (en) | 2013-06-25 | 2013-06-25 | Residual-current circuit breaker handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203700618U CN203300578U (en) | 2013-06-25 | 2013-06-25 | Residual-current circuit breaker handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300578U true CN203300578U (en) | 2013-11-20 |
Family
ID=49576572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203700618U Expired - Fee Related CN203300578U (en) | 2013-06-25 | 2013-06-25 | Residual-current circuit breaker handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374448A (en) * | 2018-10-15 | 2019-02-22 | 浙江天正智能电器有限公司 | A kind of handle strength detection device |
-
2013
- 2013-06-25 CN CN2013203700618U patent/CN203300578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374448A (en) * | 2018-10-15 | 2019-02-22 | 浙江天正智能电器有限公司 | A kind of handle strength detection device |
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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 |
Granted publication date: 20131120 Termination date: 20160625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |