CN209626170U - A kind of breaker of plastic casing device having removable contact - Google Patents
A kind of breaker of plastic casing device having removable contact Download PDFInfo
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- CN209626170U CN209626170U CN201920617930.XU CN201920617930U CN209626170U CN 209626170 U CN209626170 U CN 209626170U CN 201920617930 U CN201920617930 U CN 201920617930U CN 209626170 U CN209626170 U CN 209626170U
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- moving contact
- connector
- shell
- breaker
- main body
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Abstract
The utility model discloses a kind of breaker of plastic casing device for having removable contact, include: plastic housing main body, L-type notch is provided on the one side of plastic housing main body, L-type notch includes the first joint face and the second joint face, the first connector is offered on first joint face, the first connector is connected to connecting terminal；The second connector is offered on second joint face, the second connector is connected to arc-chutes and transmission mechanism；Shell is installed, moving contact is provided in mounting shell body, when installation shell is mounted on L-type notch, the linkage section of moving contact is connect by the first connector with connecting terminal, and the movable contact of moving contact is entered in plastic housing main body by the second connector and is connect with arc-chutes and transmission mechanism, and installing shell with L-type notch is to be detachably connected.The utility model proposes breaker of plastic casing on moving contact burn out when, only need to dismantle installation shell, the moving contact on replacement installation shell, and mounting shell body is reinstalled in plastic housing main body.
Description
Technical field
The utility model relates to breaker technical field, in particular to a kind of breaker of plastic casing device for having removable contact.
Background technique
Breaker is a kind of current switch dress for distributing electric energy, carrying out real-time guard to power circuit and motor etc.
It sets, it can carry in real time, close, disconnect in normal circuit according to the normal of circuit, overload, short circuit and the states such as under-voltage
Electric current, to guarantee the safety of circuit.Breaker of plastic casing is one kind of breaker, and plastic housing refers to being made with plastic insulation
For the shell of device, and all parts are all sealed in plastic shell.
Breaker of plastic casing generally comprises arc-chutes, switch, transmission mechanism and contact system, generally makes in breaker of plastic casing
Not consider maintenance, but the utilization rate of breaker of plastic casing is big in, when usage quantity reaches a certain level, replacement at
This necessarily rises.Manufacturer has found that breaker of plastic casing is in use in the feedback of user, and the moving contact that high temperature is burnt out accounts for one
A considerable ratio, and the cost of moving contact is very low, it is cheap it is several share money it is expensive also with regard to how much, in order to moving contact change it is whole
A breaker of plastic casing is undoubtedly not cost-effective.But existing breaker of plastic casing is wanted to change moving contact and needs successively to disassemble entirely
The shell of breaker of plastic casing, then arc-chutes are removed, moving contact can be just removed, is again undoubtedly in this way cost of idle time.
Utility model content
The main purpose of the utility model is to provide a kind of breaker of plastic casing device for having removable contact, it is intended to solve plastic housing
Moving contact replaces cumbersome problem in release unit.
To achieve the above object, the utility model proposes technical solution be:
A kind of breaker of plastic casing device having removable contact, comprising:
Plastic housing main body offers L-type notch on the one side of the plastic housing main body, and the L-type notch includes L-shaped connection
The first joint face and the second joint face, the first connector, the first connector connection are offered on first joint face
The connecting terminal of the plastic housing body interior；The second connector is offered on second joint face, second connector connects
Lead to the arc-chutes and transmission mechanism of the plastic housing body interior；
Shell is installed, is provided with moving contact in the mounting shell body, the moving contact includes U-shaped main body, the U-shaped main body
A side upwardly extend to form linkage section, on another side of the U-shaped main body be provided with movable contact；When the mounting shell
When body is mounted on the L-type notch, the linkage section is connect by first connector with the connecting terminal, and described
Movable contact is entered in the plastic housing main body by second connector and is connect with the arc-chutes and the transmission mechanism, and
The installation shell is to be detachably connected with the L-type notch.
Preferably, it is provided with moving contact installation cavity in the mounting shell body, is provided with and is used in the moving contact installation cavity
It fastens the clamp device of the moving contact and limits the moving contact and be located at the limit for fixing position in the moving contact installation cavity
Device.
Preferably, the limiting device includes limited block interconnected and two positive stop strips, and the limited block is set to institute
It states on the first side wall in moving contact installation cavity far from first connector, two positive stop strips are arranged at intervals at the dynamic touching
In head second sidewall of the installation cavity far from second connector, and two positive stop strips are symmetrical arranged；It is set on the linkage section
It is equipped with the first fixing threaded hole for connecting the connecting terminal, is also equipped on the limited block and first fixing threaded hole
It is threaded on the hole inner wall of the second coaxial fixing threaded hole, first fixing threaded hole and second fixing threaded hole；Work as institute
It states linkage section to be located in the moving contact installation cavity, and when the installation shell is mounted on the L-type notch, the first fixed spiral shell
Hole, the second fixing threaded hole and the connecting terminal are bolted to connection, and the linkage section is far from first connector
Side be bonded with the limited block；And two the positive stop strip be bonded with the linkage section, limit the linkage section to any institute
Positive stop strip direction is stated to tamper.
Preferably, the clamp device includes two compressions between two positive stop strips and second connector
Block, each compact heap are slidably connected with the corresponding positive stop strip close to one end of second connector respectively, and two
The compact heap is symmetrical arranged, and is connected between each compact heap and the side wall of the moving contact installation cavity by spring；
When the limited block and two positive stop strip are bonded with the linkage section, two compact heaps compress the linkage section.
Preferably, it is provided with the first connecting pin on the lateral surface far from first joint face on the installation shell, and
The first connecting screw hole is provided on first connecting pin；On lateral surface in the plastic housing main body far from first joint face
It is provided with second connection end, and end face of the second connection end towards first connecting pin is concordant with second joint face
And it connects, and the second connecting screw hole is provided in the second connection end；When the installation shell is mounted on the L-type notch
When, the second connection end face is bonded with first connecting end surface junction end face, and first connecting screw hole and described
The coaxial arrangement of second connecting screw hole；First connecting screw hole and second connecting screw hole are bolted.
Preferably, an installation shell is at least installed, at least one is dynamic in the mounting shell body on the L-type notch
Contact installation cavity.
Preferably, the quantity of the quantity of the first connecting screw hole on first connecting pin and the moving contact installation cavity at
Direct ratio；The quantity of the second connecting screw hole in the second connection end is greater than or equal to the first connection on first connecting pin
The quantity of screw hole.
Compared with prior art, the utility model at least have it is following the utility model has the advantages that
L-shaped notch is opened up on breaker of plastic casing, and L-type notch is connected to connecting terminal, arc-chutes, transmission mechanism, then leads to
Cross installation shell fastening moving contact.Only need to again will installation shell be mounted on L-type notch, moving contact just with connecting terminal, arc extinguishing
Room, transmission mechanism connection, such moving contact and breaker of plastic casing are easy to the structure of disassembly at one, when moving contact is burnt out
When, installation shell, the moving contact on replacement installation shell need to be only dismantled, and mounting shell body is reinstalled in plastic housing main body i.e.
Can, user has greatly saved cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for the breaker of plastic casing Installation practice 1 for having removable contact of the utility model；
Fig. 2 is the structural schematic diagram of the breaker of plastic casing of removal installation shell in Fig. 1；
Fig. 3 is the partial internal structure schematic diagram that shell is installed in Fig. 1；
Fig. 4 is the bottom view that shell is installed in Fig. 1；
Fig. 5 is the structural schematic diagram that moving contact is equipped in Fig. 3 mounting shell body；
Fig. 6 is cross-sectional view of the Fig. 5 in the direction A-A；
Fig. 7 is the partial structural diagram of Fig. 5 left view.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Plastic housing main body | 110 | First connecting pin |
| 111 | First connecting screw hole | 200 | L-type notch |
| 210 | First joint face | 211 | First connector |
| 220 | Second joint face | 221 | Second connector |
| 300 | Shell is installed | 310 | Moving contact installation cavity |
| 320 | Limiting device | 321 | Positive stop strip |
| 322 | Limited block | 323 | Second fixing threaded hole |
| 330 | Clamp device | 331 | Compact heap |
| 332 | Spring | 340 | Second connection end |
| 341 | Second connecting screw hole | 400 | Moving contact |
| 410 | Linkage section | 411 | First fixing threaded hole |
| 420 | Movable contact |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of breaker of plastic casing devices for having removable contact.
A kind of breaker of plastic casing device having removable contact as shown in Figures 1 to 7, comprising:
Plastic housing main body 100, L-type notch 200 is offered on the one side of plastic housing main body 100, and L-type notch 200 includes L-shaped
The first joint face 210 and the second joint face 220 of connection offer the first connector 211 on the first joint face 210, and first connects
Interface 211 is connected to the connecting terminal inside plastic housing main body 100；Offer the second connector 221 on second joint face 220, second
Connector 221 is connected to arc-chutes and transmission mechanism inside plastic housing main body 100；
Shell 300 is installed, installs and is provided with moving contact 400 in shell 300, moving contact 400 includes U-shaped main body, U-shaped main body
A side upwardly extend to form linkage section 410, on another side of U-shaped main body movable contact 420 is provided with, when installation shell
300 when being mounted on L-type notch 200, and linkage section 410 is connect by the first connector 211 with connecting terminal, and movable contact 420
It is entered in plastic housing main body 100 by the second connector 221 and is connect with arc-chutes and transmission mechanism, and shell 300 and L-type are installed
Notch 200 is to be detachably connected, and installing shell 300 with moving contact 400 is to be detachably connected.
Will installation shell 300 be mounted on L-type notch 200, moving contact 400 just with connecting terminal, arc-chutes, transmission mechanism
Connection, such moving contact 400 and breaker of plastic casing are easy to the structure of disassembly at one.When moving contact 400 is burnt out, only need
Disassembly installation shell 300, the moving contact 400 on shell 300 is installed in replacement, and installation shell 300 is reinstalled to plastic housing master
On body 100, user has greatly saved cost.
Referring to Fig. 5 to Fig. 7, installs and be provided with moving contact installation cavity 310 in shell 300, setting in moving contact installation cavity 310
There are the clamp device 330 for fastening moving contact 400 and limitation moving contact 400 to be located in moving contact installation cavity 310 and fixes position
Limiting device 320.
Limiting device 320 includes that limited block 322 interconnected and two positive stop strips 320, limited block 322 are set to moving contact
On the first side wall in installation cavity 310 far from the first connector 211, two positive stop strips 320 are arranged at intervals at moving contact installation cavity 310
In second sidewall far from the second connector 221, and two positive stop strips 320 are symmetrical arranged；It is provided on linkage section 410 for connecting
First fixing threaded hole 411 of connecting terminal is also equipped on limited block 322 and coaxial second fixed of the first fixing threaded hole 411
It is threaded on the hole inner wall of screw hole 323, the first fixing threaded hole 411 and the second fixing threaded hole 323；It is moved when linkage section 410 is located at
In contact installation cavity 310, and shell 300 is installed when being mounted on L-type notch 200, the fixed spiral shell of the first fixing threaded hole 411, second
Hole 323 and connecting terminal are bolted to connection, and side of the linkage section 410 far from the first connector 211 and limited block 322
Fitting, and two positive stop strips 320 are bonded with linkage section 410, limitation linkage section 410 is tampered to any 320 direction of positive stop strip.Limited block
322 and two positive stop strip 320 limit moving contact 400 in the position of moving contact installation cavity 310, limited block 322 limits its front and back
To moving distance, two positive stop strips 320 limit its left and right directions and can not move, it is ensured that moving contact 400 is installed to L-type notch 200
When upper, the normal connection of limited block 322, linkage section 410 and connecting terminal, movable contact 420 and arc-chutes and transmission mechanism are just
Often connection, and limited block 322, linkage section 410 and connecting terminal are bolted, and are also ensured moving contact 400 in dynamic touching
Being connected firmly in head installation cavity 310.
Clamp device 330 includes two compact heaps 331 between two positive stop strips 320 and the second connector 221, each pressure
Tight block 331 is slidably connected with corresponding positive stop strip 320 close to one end of the second connector 221 respectively, and two compact heaps 331 are symmetrical
Setting, and connected between each compact heap 331 and the side wall of moving contact installation cavity 310 by spring 332；When 322 He of limited block
When two positive stop strips 320 are bonded with linkage section 410, two compact heaps 331 compress linkage section 410.Compact heap 331 and spring 332
Cooperation ensures that moving contact 400 is secured in moving contact installation cavity 310.
Compact heap 331 offers inclined-plane on one end of the second joint face 220, and inclined-plane is for facilitating linkage section 410
Insertion.
Referring to Fig. 1, Fig. 2 and Fig. 4, installs and be provided with the first company on the lateral surface on shell 300 far from the first joint face 210
End 110 is connect, and is provided with the first connecting screw hole 111 on the first connecting pin 110；Far from the first joint face 210 in plastic housing main body 100
Lateral surface on be provided with second connection end 340, and end face of the second connection end 340 towards the first connecting pin 110 connects with second
Junction 220 is concordant and connects, and the second connecting screw hole 341 is provided in second connection end 340；When installation shell 300 is mounted on L
When on type notch 200, second connection end 340 is bonded with the end face of 110 junction of the first connecting pin, and the first connecting screw hole 111
It is coaxially disposed with the second connecting screw hole 341；First connecting screw hole 111 and the second connecting screw hole 341 are bolted.First connects
The setting for connecing end 110 and second connection end 340 may insure that installation shell 300 and plastic housing main body 100 are normally fixed.
One installation shell 300 is at least installed, at least one moving contact peace in installation shell 300 on L-type notch 200
It behave affectedly 310, multiple installation shells 300 can be installed on L-type notch 200, install and multiple moving contacts peaces can be set in shell 300
It behave affectedly 310.Such setting can make the replacement of moving contact 400 more flexible.
The quantity of the first connecting screw hole 111 on first connecting pin 110 is directly proportional to the quantity of moving contact installation cavity 310；
The quantity of the second connecting screw hole 341 in second connection end 340 is greater than or equal to the first connecting screw hole on the first connecting pin 110
111 quantity.Meet the needs of Fig. 2, can choose three installation shells 300 and be mounted side by side on L-type notch 200, and is every
310, first connecting pins 110 of only one moving contact installation cavity of a installation shell 300 and first connecting screw hole 111.
Such benefit is, if moving contact 400 and installation shell 310 are burnt out simultaneously, only to need replacing an installation shell 310 all right,
No replacement is required for other two.Similarly, when there are three moving contact installation cavitys 310 in installation shell 300, it is only necessary to an installation shell
300, to ensure to install the secured of shell 300 and plastic housing main body 100, three first are just needed on the first connecting pin 110 and is connected
Connect screw hole 111.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (7)
1. a kind of breaker of plastic casing device for having removable contact characterized by comprising
Plastic housing main body offers L-type notch on the one side of the plastic housing main body, and the L-type notch includes the of L-shaped connection
One joint face and the second joint face, offer the first connector on first joint face, described in the first connector connection
The connecting terminal of plastic housing body interior；The second connector is offered on second joint face, second connector is connected to institute
State the arc-chutes and transmission mechanism of plastic housing body interior；
Shell to be installed, is provided with moving contact in the mounting shell body, the moving contact includes U-shaped main body, and the one of the U-shaped main body
Side upwardly extends to form linkage section, is provided with movable contact on another side of the U-shaped main body；When the installation shell is pacified
When on the L-type notch, the linkage section is connect by first connector with the connecting terminal, and the dynamic touching
Point is entered in the plastic housing main body by second connector and is connect with the arc-chutes and the transmission mechanism, and described
Installation shell is to be detachably connected with the L-type notch.
2. a kind of breaker of plastic casing device for having removable contact according to claim 1, which is characterized in that the mounting shell
Be provided with moving contact installation cavity in vivo, be provided in the moving contact installation cavity clamp device for fastening the moving contact and
It limits the moving contact and is located at the limiting device for fixing position in the moving contact installation cavity.
3. a kind of breaker of plastic casing device for having removable contact according to claim 2, which is characterized in that the limit dress
It sets including limited block interconnected and two positive stop strips, the limited block is set in the moving contact installation cavity far from described the
On the first side wall of one connector, two positive stop strips are arranged at intervals at the moving contact installation cavity far from second connector
Second sidewall on, and two positive stop strips be symmetrical arranged；It is provided on the linkage section for connecting the connecting terminal
First fixing threaded hole, is also equipped with second fixing threaded hole coaxial with first fixing threaded hole on the limited block, and described
It is threaded on the hole inner wall of one fixing threaded hole and second fixing threaded hole；When the linkage section is located at moving contact installation
It is intracavitary, and when the installation shell is mounted on the L-type notch, the first fixing threaded hole, the second fixing threaded hole and the wiring
Terminal is bolted to connection, and the linkage section is bonded far from the side of first connector with the limited block, and
Two positive stop strips are bonded with the linkage section, are limited the linkage section and are tampered to any positive stop strip direction.
4. a kind of breaker of plastic casing device for having removable contact according to claim 3, which is characterized in that the fastening dress
Set including two compact heaps between two positive stop strips and second connector, each compact heap respectively with it is corresponding
The positive stop strip be slidably connected close to one end of second connector, and two compact heaps are symmetrical arranged, and each institute
It states and is connected between compact heap and the side wall of the moving contact installation cavity by spring；When the limited block and two positive stop strip are equal
When being bonded with the linkage section, two compact heaps compress the linkage section.
5. according to a kind of any breaker of plastic casing device for having removable contact of claim 2-4, which is characterized in that described
It is provided with the first connecting pin on the lateral surface far from first joint face on installation shell, and is arranged on first connecting pin
There is the first connecting screw hole；It is provided with second connection end on lateral surface in the plastic housing main body far from first joint face, and
End face of the second connection end towards first connecting pin is concordant with second joint face and connect, and described second connects
It connects and is provided with the second connecting screw hole on end；When the installation shell is mounted on the L-type notch, the second connection end face
It is bonded with first connecting end surface junction end face, and first connecting screw hole and second connecting screw hole are coaxially set
It sets；First connecting screw hole and second connecting screw hole are bolted.
6. a kind of breaker of plastic casing device for having removable contact according to claim 5, which is characterized in that the L-type lacks
One installation shell, at least one moving contact installation cavity in the mounting shell body are at least installed on mouth.
7. a kind of breaker of plastic casing device for having removable contact according to claim 6, which is characterized in that described first connects
The quantity for connecing the first connecting screw hole on end is directly proportional to the quantity of the moving contact installation cavity；In the second connection end
The quantity of two connecting screw holes is greater than or equal to the quantity of the first connecting screw hole on first connecting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617930.XU CN209626170U (en) | 2019-04-30 | 2019-04-30 | A kind of breaker of plastic casing device having removable contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617930.XU CN209626170U (en) | 2019-04-30 | 2019-04-30 | A kind of breaker of plastic casing device having removable contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209626170U true CN209626170U (en) | 2019-11-12 |
Family
ID=68459282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920617930.XU Active CN209626170U (en) | 2019-04-30 | 2019-04-30 | A kind of breaker of plastic casing device having removable contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209626170U (en) |
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2019
- 2019-04-30 CN CN201920617930.XU patent/CN209626170U/en active Active
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Address after: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee after: Hunan SDEC Intelligent Technology Co.,Ltd. Address before: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee before: HUNAN SIDEKE SMART SWITCH Co.,Ltd. |