CN207966887U - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
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- CN207966887U CN207966887U CN201820544838.0U CN201820544838U CN207966887U CN 207966887 U CN207966887 U CN 207966887U CN 201820544838 U CN201820544838 U CN 201820544838U CN 207966887 U CN207966887 U CN 207966887U
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- installation
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- slot
- circuit breaker
- miniature circuit
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Abstract
The utility model discloses a kind of miniature circuit breakers, it include the shell structure being made of first shell and second shell, with the indication window and indicate indicator being arranged in shell structure, the first shell forms the installation slot on the installation side for extending to first shell, the installation protrusion with installation slot cooperation grafting is formed on the installation side of the second shell, the installation projects through and constitutes the indication window in the guide frame insertion installation slot, and is provided with location structure at the closing mouth between installation protrusion and installation slot.Using the technical program, the instruction information of indicate indicator is directly observed by indication window to know that breaker is in separating brake or "on" position, both the assembling process of glass indicator in the prior art had been eliminated, also overcome the problem of easily hindering hand in assembling process, save parts, simplify assembly technology, installation is more convenient, improves efficiency of assembling.
Description
Technical field
The utility model is related to low voltage electrical apparatus technology fields, and in particular to a kind of miniature circuit breaker.
Background technology
Miniature circuit breaker is a kind of existing manual switch effect, and can carry out the electric appliance of overload and short-circuit protection automatically,
Under normal circumstances the break-make, it can be achieved that circuit is used as infrequently the dividing of circuit, closing operation conversion.When circuit occur short circuit or
When overload fault, miniature circuit breaker can automatic shutdown circuit, the electrical equipment on effective protection circuit.It is disconnected in order to effectively distinguish
The malfunction and reason of road device tripping, are arranged indicating fault mechanism, indicating fault mechanism passes through breaker shell in breaker
Indication window on body shows different colours to indicate working state of circuit breaker.
For indication window on conventional circuit breaker shell because production technology is different and limitation, indication window has the one of opening
End, as shown in Figure 1, Shell of circuit breaker is made of left shell and right shell body 01, wherein be provided with notch configuration on right shell body 01
Indication window 02, indication window 02, which has, extends to the open end 021 on right shell body side wall, and is packed into thoroughly from open end 021
Bright glass indicating piece 03 fills indication window 02, has not only ensured 02 integrality of indication window, but can close open end to prevent
Only sundries enters from open end so that the shape of entire Shell of circuit breaker seems smooth beauty.But in the practical set of breaker
It can have the following problems in the process：Indication window on shell need to coordinate glass indicator to use, open end and glass instruction
Installation space between part is small, and installation calibrating is more inconvenient, and is needed during the installation process by manually by glass indicator
It fills in indication window firmly, when assembly easily scratches hand, time-consuming and laborious, influences efficiency of assembling.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome the indication window of miniature circuit breaker in the prior art
Glass indicator need to be coordinated to use, and by manually filling in glass indicator in indication window firmly, when assembly easily scratches
Hand, installation calibrating is more inconvenient, time-consuming and laborious, the problem of influencing efficiency of assembling.
In order to solve the above technical problems, the utility model provides a kind of miniature circuit breaker, including by first shell and second
The shell structure of shell composition, and the indication window that is arranged in the shell structure, and the corresponding indication window can live
The dynamic indicate indicator being set in the shell structure for showing breaker open operation or combined floodgate, the first shell, which forms, prolongs
The installation slot on the installation side of the first shell is extended to, forms on the installation side of the second shell and is inserted with the installation
Slot coordinates the installation protrusion of grafting, and guide frame is provided between the installation protrusion and the installation slot, and the installation is convex
Rise to be inserted into the installation slot by the guide frame and constitute the indication window, and the installation it is raised with it is described
It is provided at closing mouth between installation slot and keeps first shell and the fixed location structure of second shell relative position.
As a preferred embodiment, the installation slot is along the width direction setpoint distance of the first shell, the peace
Dress protrusion is along the width direction setpoint distance of the second shell, and the setpoint distance of the installation slot is more than installation protrusion
Setpoint distance.
As a preferred embodiment, the installation slot includes slide slot, and connects the slide slot and the first shell
Body installs the V-shaped groove on side.
As a preferred embodiment, the V-shaped groove and the slide slot pass through round-corner transition.
As a preferred embodiment, the installation protrusion is the outwardly extending convex block in installation side by the second shell,
It includes the first connecting portion being connected in the slide slot, and the second connecting portion to match with the V-shaped groove.
As a preferred embodiment, the guide frame includes that the guiding that takes shape on the both sides cell wall of the slide slot is recessed
Slot, and the corresponding guiding chimb being molded on the both sides side wall of the first connecting portion.
As a preferred embodiment, the location structure includes taking shape on the installation side of the first shell and being divided into
Two raised lines on two card slots of the installation slot both sides, and the corresponding installation side for taking shape in the second shell, it is described
Raised line and the card slot form dismountable clamping engagement.
As a preferred embodiment, being provided in the shell structure can drive the indicate indicator in the shell structure
In reciprocating operating mechanism, the indicate indicator is provided with double-colored face, and the double-colored face is reciprocal with the indicate indicator
Movement makees reciprocally swinging in the indication window.
The above-mentioned technical proposal of the utility model has the following advantages compared with prior art：
1. in miniature circuit breaker provided by the utility model, when first shell and second shell are assembled into shell structure,
The installation of the second shell, which projects through guide frame and is inserted into the installation slot of the first shell to constitute, has closing empty
Between indication window, i.e., the described indication window by installation slot and installation male cooperation grafting formed, can directly pass through indicating window
Mouth observes the instruction information of indicate indicator to know the working condition of breaker, wherein is conducive to pacify by the guide frame
In the more steady slide-in installation slot of dress protrusion, the frictional resistance of sliding is reduced, plays installation guiding role, and in installation protrusion
It is loosened, is connected reliable with preventing by location structure afterwards in place with installation slot grafting.Using the technical program, both
The assembling process for eliminating glass indicator in the prior art also overcomes the problem of easily hindering hand in assembling process, and ensures
One of the indication window in shell structure is complete, saves parts, simplifies assembly technology, and installation is more convenient, improves dress
With efficiency.
2. in miniature circuit breaker provided by the utility model, the installation slot includes slide slot, and is slided described in connection
The V-shaped groove of slot and first shell installation side, the V-shaped groove larger one end that is open are opened on the installation side of first shell,
Increase join domain between installation slot and installation protrusion, improves connection accuracy, wherein the V-shaped groove and the slide slot
By round-corner transition, it is arranged by above structure so that the installation protrusion slides into the slide slot more from the V-shaped groove
It is smooth, is not in card resistance break, promotes installation effect.
3. in miniature circuit breaker provided by the utility model, the guide frame includes the both sides for taking shape in the slide slot
Guiding groove on cell wall, and the corresponding guiding chimb being molded on the both sides side wall of the first connecting portion, this structure
Setting can make installation protrusion along the extension direction initialization of the installation slot by the cooperation for being oriented to groove with being oriented to chimb
Sliding may make up indication window, easy to connect, and preventing the installation protrusion from occurring position offset when moving influences installation effect
Fruit, ensure connect smooth and positional accuracy, and grafting and dismounting when it is more convenient.
4. in miniature circuit breaker provided by the utility model, the location structure includes the peace for taking shape in the first shell
Two raised lines on two card slots on rim, and the corresponding installation side for taking shape in the second shell, by the raised line and
The card slot forms dismountable clamping engagement, and to keep the Relatively orientation of first shell and second shell, it is fixed to play
The effect of position installation, while ensuring to connect in place between installation protrusion and installation slot, accidentally dress phenomenon is also avoided the occurrence of, peace is improved
Fill efficiency.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.
Fig. 1 is the structural schematic diagram of the indication window of the miniature circuit breaker of the prior art；
Fig. 2 is the separate structure schematic diagram of the miniature circuit breaker of the utility model；
Fig. 3 is the top view of the first shell of the utility model；
Fig. 4 is the top view of the second shell of the utility model；
Fig. 5 is the enlarged structure schematic diagram of installation slot shown in Fig. 2；
Fig. 6 is the enlarged structure schematic diagram of installation protrusion shown in Fig. 2；
Reference sign：
1- shell structures, 11- first shells, 111- card slots, 12- second shells, 121- raised lines, 2- install slot, and 21- is slided
Row slot, 221- are oriented to groove, 22-V shape slots, 3- installation protrusions, 31- first connecting portions, 32- second connecting portions.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " first ", " second ", " third " are only used for describing
Purpose is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
The present embodiment is specifically described below in conjunction with the accompanying drawings：
The present embodiment provides a kind of miniature circuit breakers as shown in Figure 2-5, including by first shell 11 and second shell 12
The shell structure 1 of composition, and the indication window that is arranged in the shell structure 1, and the corresponding indication window are movable
The indicate indicator for showing breaker open operation or combined floodgate, the first shell 11 in the shell structure 1 is set to form
The installation slot 2 on the installation side of the first shell 11 is extended to, is formed on the installation side of the second shell 12 and institute
The installation protrusion 3 that installation slot 2 coordinates grafting is stated, guiding knot is provided between the installation protrusion 3 and the installation slot 2
Structure, the installation protrusion 3, which is inserted by the guide frame in the installation slot 2, constitutes the indication window, and in institute
It states to be provided at the closing mouth between installation protrusion 3 and the installation slot 2 and keeps first shell and second shell relative position
Fixed location structure.
The above embodiment is the core technology scheme of the present embodiment, is assembled into first shell 11 and second shell 132
When shell structure, the installation protrusion 3 of the second shell 12 is inserted into the installation slot 2 of the first shell 11 by guide frame
Middle to constitute the indication window with enclosure space, i.e., the described indication window is formed by installation slot and installation male cooperation grafting,
Can the instruction information of indicate indicator directly be observed by indication window to know the working condition of breaker, wherein by described
Guide frame is conducive in the more steady slide-in installation slot 2 of installation protrusion, reduces the frictional resistance of sliding, plays installation and be oriented to
Effect, and loosened afterwards by location structure with preventing in place in installation protrusion 3 and 3 grafting of installation slot, mating connection can
It leans on.Using the technical program, the assembling process of glass indicator in the prior art was both eliminated, had been also overcomed in assembling process
The problem of easily hindering hand in turn ensures that one of the indication window in shell structure is complete, and saving parts simplify assembly technology,
More convenient, raising efficiency of assembling is installed.
Made further preferably according to the above embodiment, as shown in Figure 3-4, the installation slot 2 is along the first shell
11 width direction setpoint distance, the installation protrusion 3 is along the width direction setpoint distance of the second shell 12, the installation
The setpoint distance of slot 2 is more than the setpoint distance of the installation protrusion 3, therefore, according to the reasonable selection of setpoint distance, it is ensured that institute
Stating after installation slot 2 coordinates grafting with installation protrusion 3 has certain remaining space to can be used as indication window, and indication window is connected
Inside shell structure, so as to observe directly the instruction information of indicate indicator.
It elaborates with reference to the concrete structure of Fig. 2-6 pairs of installation slots and installation protrusion：
The installation slot 2 includes slide slot 21, and connects the V-arrangement of the slide slot 21 and first shell installation side
Slot 22, the larger one end that is open of the V-shaped groove 22 are opened on the installation side of first shell, are increased installation slot and are installed protrusion
Between join domain, improve connection accuracy, it is further preferred that the V-shaped groove 22 and the slide slot 21 be by round-corner transition,
It is arranged by above structure so that installation protrusion slides into more smoothly in the slide slot from the V-shaped groove, will not go out
Existing card resistance break, promotes installation effect.
The installation protrusion 3 is to be extended outwardly by the installation side of the second shell 12 as a preferred implementation manner,
Convex block comprising the first connecting portion 31 being connected in the slide slot 21, and with the V-shaped groove 22 match second connect
Socket part 32, wherein the first connecting portion 31 is in strip, and second connecting portion 32 coordinates in halfpace shape and between V-shaped groove 22
Contact of incline plane, guiding installation protrusion 3 is more smoothly, easily slides into the installation slot 2, is connected reliable.
It elaborates with reference to the concrete structure of Fig. 5-6 pairs of guide frames：
The guide frame includes the guiding groove 211 taken shape on the both sides cell wall of the slide slot 21, and corresponding
The guiding chimb (being oriented to chimb not show in the accompanying drawings) being molded on the both sides side wall of the first connecting portion 31, is oriented to chimb
It is adapted with groove is oriented to.This structure setting can make installation protrusion 3 by the cooperation for being oriented to groove 211 with being oriented to chimb
It is slid into along the extension direction initialization of the installation slot 2 and may make up indication window, it is easy to connect, prevent the installation protrusion 3
Occur when moving position offset influence installation effect, ensure connect smooth and positional accuracy, and dismounting when it is more square
Just.
As seen in figs. 5-6, the location structure provided in this embodiment includes the installation for taking shape in the first shell 11
On side and it is divided into two card slots 111 for installing slot both sides, and the corresponding installation side for taking shape in the second shell 12
On two raised lines 121, dismountable clamping engagement is formed by the raised line and the card slot, to keep first shell and
The Relatively orientation of second shell, plays the role of location and installation, and avoidable installation protrusion and installation slot are connecting in place
After there is loose phenomenon, cooperation is more stable.
In the present embodiment, being provided in the shell structure 1 can drive the indicate indicator in the shell structure
Reciprocating operating mechanism, specifically, the operating mechanism includes operation handle, tripping, latches and be equipped with moving contact
Contact supporting, contact supporting linked by connecting rod and indicate indicator, and the indicate indicator is provided with double-colored face, and slidably pacifies
Loaded in shell structure, reciprocally swinging is made in the double-colored face with indicate indicator reciprocating motion in the indication window, i.e.,
It is corresponded to by the checker in two kinds of color faces and indicates that the separating brake or combined floodgate instruction state of miniature circuit breaker safely may be used convenient for observation
It leans on.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among the protection domain that variation is created still in the utility model.
Claims (8)
1. a kind of miniature circuit breaker, which is characterized in that include the shell knot being made of first shell (11) and second shell (12)
Structure (1), and indication window in the shell structure (1) is set, and the corresponding indication window is movable is set to institute
It states the indicate indicator for showing breaker open operation or combined floodgate, the first shell (11) in shell structure (1) and forms extension
Installation slot (2) to the installation side of the first shell (11), form on the installation side of the second shell (12) with
The installation slot (2) coordinates the installation of grafting raised (3), is arranged between the installation raised (3) and the installation slot (2)
There is guide frame, the installation raised (3), which is inserted by the guide frame in the installation slot (2), constitutes the indicating window
Mouthful, and holding first shell and the are provided at closing mouth between the installation raised (3) and the installation slot (2)
The two fixed location structures of shell relative position.
2. miniature circuit breaker according to claim 1, it is characterised in that：The installation slot (2) is along the first shell
(11) width direction setpoint distance, the installation raised (3) is along the width direction setpoint distance of the second shell (12), institute
The setpoint distance for stating installation slot (2) is more than the setpoint distance of the installation raised (3).
3. miniature circuit breaker according to claim 2, it is characterised in that：The installation slot (2) includes slide slot (21),
With the V-shaped groove (22) for connecting the slide slot (21) and first shell installation side.
4. miniature circuit breaker according to claim 3, it is characterised in that：The V-shaped groove (22) and the slide slot (21)
Pass through round-corner transition.
5. miniature circuit breaker according to claim 3 or 4, it is characterised in that：The installation raised (3) is by described second
The outwardly extending convex block in installation side of shell (12) comprising the first connecting portion (31) being connected in the slide slot (21),
With the second connecting portion (32) to match with the V-shaped groove (22).
6. miniature circuit breaker according to claim 5, it is characterised in that：The guide frame includes taking shape in described slide
Guiding groove (211) on the both sides cell wall of slot (21), and the corresponding both sides side wall for being molded over the first connecting portion (31)
On guiding chimb.
7. miniature circuit breaker according to claim 1, it is characterised in that：The location structure includes taking shape in described first
On the installation side of shell (11) and two card slots (111) of the installation slot both sides are divided into, and corresponding take shape in described the
Two raised lines (121) on the installation side of two shells (12), the raised line (121) and the card slot (111) form dismountable
It is engaged by clamping.
8. miniature circuit breaker according to claim 7, it is characterised in that：It is provided with and can drive in the shell structure (1)
Indicate indicator operating mechanism reciprocating in the shell structure, the indicate indicator are provided with double-colored face, institute
It states double-colored face and is moved back and forth with the indicate indicator and make reciprocally swinging in the indication window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544838.0U CN207966887U (en) | 2018-04-17 | 2018-04-17 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544838.0U CN207966887U (en) | 2018-04-17 | 2018-04-17 | A kind of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966887U true CN207966887U (en) | 2018-10-12 |
Family
ID=63727860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820544838.0U Active CN207966887U (en) | 2018-04-17 | 2018-04-17 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207966887U (en) |
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2018
- 2018-04-17 CN CN201820544838.0U patent/CN207966887U/en active Active
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