A kind of fixed bin that is used to install the wiring board of intellectual breaker of plastic casing
Technical field
The utility model relates to a kind of intellectual breaker of plastic casing, particularly relates to a kind of fixed bin that is used to install the wiring board of intellectual breaker of plastic casing.
Background technology
Breaker of plastic casing is a kind of in the circuit breaker, moulds shell and refers to the shell that is used as device with plastic insulation, is used between the insulated conductor and the grounded metal part.Breaker of plastic casing is generally made distribution and is used; also can be the usefulness of protection motor; breaker of plastic casing is installed in the circuit and can be protected load equipment; anomaly appears in circuit; during as electric leakage, overload or short circuit; breaker of plastic casing can in time cut off the power supply to load equipment, reaches the purpose of protection circuit, load equipment and personal safety.Intellectual breaker of plastic casing generally includes housing, release, contact component, magnetic flow convertor, electric mutual inductor and is provided with the wiring board of control circuit, and wherein magnetic flow convertor, electric mutual inductor and wiring board are electronic device; Release, contact component, magnetic flow convertor, electric mutual inductor and wiring board are loaded on the correspondence position of housing respectively; Contact component is connected and is used in the circuit of load equipment power supply; Contact component is connected with release, utilizes release to realize the disjunction of the dynamic and static contact of contact component; Magnetic flow convertor is connected with release, utilizes magnetic flow convertor to drive the release action; Electric mutual inductor is used for the curtage of induction line, and by wiring board to the magnetic flow convertor output signal, drive magnetic flow convertor work.Existing this breaker of plastic casing, its wiring board is to be installed on the housing (or claiming pedestal) of breaker of plastic casing by fixed bin, when wiring board is connected with fixed bin, be to utilize screw that wiring board is locked on the fixed bin, the mode of this installation breaker of plastic casing wiring board, there is following drawback: the one,, the location was inaccurate when wiring board was installed, and rocked easily after the installation; The 2nd,, the dismounting inconvenience of wiring board.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board is provided, by improvement to the fixed bin structure, make and to realize accurate positioning when wiring board is installed, the effect that is difficult for rocking, make also that simultaneously the dismounting of wiring board is very convenient, and fixed bin also has characteristic of simple structure.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board, comprise box body, the top of this box body is provided with and is used for the support portion of support wiring board, and the periphery in the support portion is provided with the Elastic buckle that multistage blend stop and at least one can be withheld wiring board.
Described Elastic buckle is two, is located at two relative side-walls of box body respectively.
Described Elastic buckle is made of dop and card arm, and the dop one is connected the upper end of card arm, is provided with the bar seam between the both sides of card arm and the sidewall of box body, and the bottom of card arm is connected with the sidewall one of box body; The bottom face of dop is perpendicular with the arm face of card arm, and the upper surface of dop is provided with bevel phase.
Described support portion upwards also convexes with and is used for the positioning guide column of plug-in mounting wiring board, and the top of positioning guide column is made as sharp cone distal or taper type.
Described positioning guide column is four, is located at the Si Jiaochu of box body respectively.
Described support portion comprises supporting plate that is located at box body one side and the one or more support columns that are located at the box body opposite side, and the support column correspondence abuts on the sidewall of box body; The top of support column is mutually concordant with the upper surface of supporting plate.
The bottom of the box body of described supporting plate one side is made as penetrating opening, and two relative sidewalls of the box body of this side are respectively equipped with breach.
Be provided with the hole clipping that one or more buckles that are used for lower part are interlockingly connected in the diapire of described box body.
The bottom face of the diapire of described box body also convexes with the rib that the slot that is used for lower part plugs downwards.
Described rib is a cross shape.
A kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board of the present utility model, when carrying out the wiring board installation, be that wiring board is put on the support portion of fixed bin, the positioning guide column of the location hole secured in alignment box of wiring board, wiring board is pressed onto on the support portion, the location hole of wiring board inserts the positioning guide column of fixed bin, the edge mate of wiring board is in the blend stop of support portion periphery, the edge of wiring board can utilize the bevel phase of Elastic buckle with Elastic buckle thruster outside box body, this edge, place of wiring board is fallen on the support portion, Elastic buckle is elastic reset again, thereby wiring board is withheld on the support portion of fixed bin, the mode of this fixing circuit board, make and to realize accurate positioning when wiring board is installed, the effect that is difficult for rocking make also that simultaneously the dismounting of wiring board is very convenient, and fixed bin also has characteristic of simple structure.Fixed bin then utilizes the rib of cross shape to cooperate with the grafting of the slot of lower part, make fixed bin can location and installation in the housing of breaker of plastic casing, in the time of fixedly, then be to utilize hole clipping in the box diapire of box body to carry out snapping to match with the buckle of lower part.Lower part can be the pedestal of breaker of plastic casing, also can be the magnetic flow convertor holder that is used for installing magnetic flow convertor, or other parts.
The beneficial effects of the utility model are, owing to adopted to be provided with and be used for the support portion of support wiring board on the top of box body, and the periphery in the support portion is provided with the Elastic buckle that multistage blend stop and at least one can be withheld wiring board, and the support portion upwards also convexes with and is used for the positioning guide column of plug-in mounting wiring board, and the top of positioning guide column is made as sharp cone distal or taper type.This fixed bin structure makes and can realize accurate positioning when wiring board is installed that the effect that is difficult for rocking make also that simultaneously the dismounting of wiring board is very convenient, and fixed bin also has characteristic of simple structure.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is a D structure schematic diagram of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is a left view of the present utility model;
Fig. 4 is a right view of the present utility model;
Fig. 5 is a vertical view of the present utility model;
Fig. 6 is the cutaway view along A-A line among Fig. 5;
Fig. 7 is a upward view of the present utility model;
Fig. 8 is the D structure schematic diagram that the utility model and wiring board fix;
Fig. 9 is the front view of Fig. 8;
Figure 10 is the left view of Fig. 8;
Figure 11 is the rearview of Fig. 8;
Figure 12 is the vertical view (Rotate 180 degree) of Fig. 8;
Figure 13 is the cutaway view along B-B line among Figure 12.
Embodiment
Embodiment, extremely shown in Figure 7 referring to Fig. 1, a kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board of the present utility model, comprise box body 100, the top of this box body 100 is provided with and is used for the support portion 10 of support wiring board, and the periphery in the support portion is provided with the Elastic buckle 20 that multistage blend stop and at least one can be withheld wiring board.
Described Elastic buckle 20 is two, and the two relative sidewalls 40 (box body has four sidewalls and a diapire usually) that are located at box body 100 are respectively located.
Described Elastic buckle 20 is made of dop 21 and card arm 22, dop 21 one are connected the upper end of card arm 22, be provided with bar seam 30 (having had bar seam 30 just can make Elastic buckle 20 have elasticity) between the both sides of card arm 22 and the sidewall 40 of box body, the bottom of card arm 22 is connected with sidewall 40 one of box body; The bottom face of dop is perpendicular with the arm face of card arm, and the upper surface of dop is provided with bevel phase 211.
Described support portion 10 upwards also convexes with and is used for the positioning guide column 12 of plug-in mounting wiring board, and the top of positioning guide column 12 is made as sharp cone distal or taper type.
Described positioning guide column 12 is four, is located at the Si Jiaochu of box body 100 respectively.
Described support portion 10 comprises supporting plate 13 that is located at box body one side and the one or more support columns 14 that are located at the box body opposite side, and support column 14 correspondences abut on the sidewall 40 of box body; The top of support column 14 is mutually concordant with the upper surface of supporting plate 13.
The bottom of the box body of described supporting plate one side is made as penetrating opening, and two relative sidewalls of the box body of this side are respectively equipped with breach.This structure mainly is in order to be used for holding magnetic flow convertor.
Be provided with the hole clipping 51 that one or more buckles that are used for lower part are interlockingly connected in the diapire 50 of described box body 100.
The bottom face of the diapire 50 of described box body 100 also convexes with the rib 52 that the slot that is used for lower part plugs downwards.
Described rib 52 is a cross shape.
Extremely shown in Figure 13 referring to Fig. 8, a kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board of the present utility model, when carrying out wiring board 200 installations, be that wiring board 200 is put on the support portion 10 of fixed bin, the positioning guide column 12 of the location hole secured in alignment box of wiring board, wiring board is pressed onto on the support portion 10, the location hole of wiring board inserts the positioning guide column 12 of fixed bin, the edge mate of wiring board is in the blend stop 11 of support portion periphery, the edge of wiring board can utilize the bevel phase 211 of Elastic buckle 20 with Elastic buckle thruster outside box body, this edge, place of wiring board is fallen on the support portion 10, Elastic buckle 20 is elastic reset again, thereby wiring board 200 is withheld on the support portion 10 of fixed bin, the mode of this fixing circuit board 200 makes and can realize accurate positioning, the effect that is difficult for rocking when wiring board 200 is installed, make also that simultaneously the dismounting of wiring board 200 is very convenient, and fixed bin also has characteristic of simple structure.Fixed bin then utilizes the rib 52 of cross shape to cooperate with the grafting of the slot of lower part, make fixed bin can location and installation in the housing of breaker of plastic casing, in the time of fixedly, then be to utilize hole clipping 51 in the box diapire of box body to carry out snapping to match with the buckle of lower part.Lower part can be the pedestal of breaker of plastic casing, also can be the magnetic flow convertor holder that is used for installing magnetic flow convertor, or other parts.
The foregoing description only is used for further specifying a kind of fixed bin that is used to install intellectual breaker of plastic casing wiring board of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.