A kind of composite type distribution box body
Technical field
The utility model relates to low pressure equipment for power transmission and distribution technical field, particularly a kind of composite type distribution box body.
Background technology
Distribution box is according to the electrical wiring requirement switchgear, measuring instrument, protection electrical equipment and auxiliary equipment to be assembled in power distribution equipment in the casing.In daily productive life, the application of distribution box is very extensive, and according to the purposes difference of distribution box, the specification of distribution box body is also inequality.In the prior art, the manufacturing firm of distribution box body generally only produces the casing of regular size, and the bulk size of this casing is fixing, and its defective is: the casing of (1) a certain specific standard is for other situation and inapplicable, therefore can't change use, cause the use limitation; (2) in transportation, existing distribution box need take bigger transport space, not only causes transportation inconvenience, has also improved cost of transportation simultaneously.
In addition, the casing of existing distribution box generally adopts iron or stainless steel material to make, because most distribution box is installed in the open air, be subjected to the many restrictions and the influence of natural environmental condition, as drench with rain, airborne dust, air humidity, coal dust, seashore salt fog etc. all are easy to cause the casing corrosion aging, thereby cause the consequence that the distribution system assembly damages in the distribution box; And the sealing protection grade of existing distribution box is not high, anti-foreign body intrusion poor-performing such as flashing, wind proofing; Than indoor distribution box, distributed board outdoor in use, the electric leakage possibility increases, the method that distributed board outdoor is carried out insulating protection is the tank surface spraying insulating coating at distribution box, but insulating coating is easy to aging peeling off, and the aging corrosion of irony or stainless steel casing simultaneously all can make failure of insulation, therefore, existing distribution box can not be realized all insulation effect.So, the casing of existing distribution box can't satisfy long-term out of doors or the requirement of under bad working environments, working.
The utility model content
But the purpose of this utility model is to provide a kind of simple in structure, all insulation, anticorrosion, good seal performance and flexible combination splicing to satisfy the composite type distribution box body of different installation requirements.
Above-mentioned purpose of the present utility model realizes by the following technical solutions: a kind of composite type distribution box body, comprise the casing that is used for built-in distribution system assembly, it is characterized in that described casing is is mainly spliced and combined by detachable splicing construction by single casing forms, the sidewall of described single casing is the joint face that is used to splice and combine, has the cabling mouth that is used for the distribution system electrical wiring on the described joint face, joint face between the described single casing is fitted mutually, the equal encapsulation process of cabling mouth on the joint face that the gap at this applying position and single casing expose.
The single casing of the utility model can splice and combine into the casing of the distribution box that bulk varies in size according to the installation situation of reality, and therefore applicability of the present utility model is stronger; Because casing assembles by splicing construction by single casing, make the utility model easy disassembling, in transportation, it is less that single casing takies transport space, and convenient transportation can reduce cost of transportation greatly.
As a kind of execution mode of the present utility model, described splicing construction comprises splicing wedge, splicing pin and splicing hole, described splicing hole is arranged on the joint face of described single casing and is positioned at the periphery of described cabling mouth, described splicing wedge is a block structure, described splicing wedge laterally is inserted in the corresponding splicing of the single casing hole single casing is connected in twos, be provided with spliced eye on the insertion end of described splicing wedge, described splicing pin is installed in the described spliced eye single casing is connected and fixed in twos.
The utlity model has following execution mode, described joint face is a frame structure, and described cabling mouth is the inside casing opening of described frame structure, and described splicing hole is located at the peripheral of described inside casing opening and is positioned at the corner location of described single casing; Described splicing hole respectively is provided with a pair of at the upper limb and the lower edge of the frame structure of described single casing.
In order to prevent the slippage from spliced eye of splicing pin, as a kind of improvement of the present utility model, the insertion end of described splicing pin has the elastic fastening hook that can clamp with reinstatement, and described elastic fastening hook passes reinstatement behind the spliced eye with clamped condition and is fastened on the peritreme of described spliced eye.When needs are dismantled, clamp elastic fastening hook and make it from spliced eye, deviate to get final product.
The utility model can also be done following improvement, and the end that described splicing pin is relative with its insertion end is provided with locating piece, and the size of described locating piece will be spliced finger setting in spliced eye jointly greater than the aperture and the described elastic fastening hook of described spliced eye.
In order to prevent to splice wedge slippage from the splicing hole, as improvement of the present utility model, the end that described splicing wedge is relative with its insertion end is provided with guide vane end stop, and it is spacing in the splicing hole that the size of described guide vane end stop will be spliced wedge jointly greater than the aperture in described splicing hole and described splicing pin.
As a kind of execution mode of the present utility model, be provided with sealing ring in the gap at applying position between the described single casing joint face, described sealing ring is fastened on described splicing pin and is arranged on the part in described sticking part interdigit crack; Be provided with the sealing gasket that is used to seal described cabling mouth in the cabling mouth that exposes on the described single casing; In the splicing hole of exposing on the described single casing sealing block that is used to seal described splicing hole is installed.The sealing protection grade still reaches IP65, and wherein IP is meant at the electric equipment shell allotrylic degree of protection.
As preferred implementation of the present utility model, described single casing adopts glass fibre as reinforcing material and polycarbonate material integrated injection molding.
Polycarbonate is a kind of noncrystal engineering material, and water white transparency, heat-resisting, shock resistance, fire-retardant BI level all have the favorable mechanical performance in common serviceability temperature; And glass fibre is a kind of Inorganic Non-metallic Materials of excellent performance, good insulating, thermal endurance is strong, corrosion resistance good, the mechanical strength height, therefore casing of the present utility model has excellent electric insulating, adiabatic heat-insulation, and corrosion resistance is good, mechanical strength is high, can satisfy fully long-term out of doors or the requirement of under bad working environments, working.
As execution mode of the present utility model, described single casing adopts cuboid or square build.
Compared with prior art, the utlity model has following significant effect:
Therefore (1) the single casing of the utility model can splice and combine into the distribution box body that bulk varies in size arbitrarily, and applicability of the present utility model, versatility are stronger.
(2) simple, the easy disassembling of the utility model splicing construction, in transportation, the shared transport space of single casing is less, thereby convenient transportation, greatly reduces cost of transportation.
(3) the single casing of the utility model adopts glass fibre as reinforcing material and polycarbonate integrated injection molding, make and the utlity model has excellent electric insulating, adiabatic heat-insulation, and corrosion resistance is good, mechanical strength is high, can satisfy fully long-term out of doors or the requirement of under bad working environments, working.
(4) at the splicing applying position of single casing and out of shape mouthful of exposing, place, splicing hole all carry out encapsulation process, still can keep good sealing effectiveness after therefore being spliced into distribution box, safe and reliable.
(5) of the present utility model simple in structure, practical, can adopt several different big or small single casings, the distribution box body of different size can be spliced and combined into, thereby different installation requirements can be satisfied.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is an assembling perspective view of the present utility model;
Fig. 2 is splicing wedge and splicing pin assembly relation schematic diagram;
Fig. 3 is the vertical view after Fig. 1 finishes assembling.
Embodiment
Shown in Fig. 1~3, it is a kind of composite type distribution box body of the utility model, comprise the casing 1 that is used for built-in distribution system assembly, casing 1 is is mainly spliced and combined by detachable splicing construction by single casing 11,12,13 and 14 and forms, single casing 11,12,13 and 14 adopts square build, also can adopt shapes such as rectangular build as other execution mode; Single casing 11,12,13 and 14 sidewall is the joint face that is used to splice and combine, has the cabling mouth 2 that is used for the distribution system electrical wiring on the joint face, in the present embodiment, joint face is a frame structure, cabling mouth 2 is the inside casing opening of frame structure, single casing 11,12, joint face between 13 and 14 is fitted mutually, in the present embodiment, splicing construction comprises splicing wedge 3, splicing pin 4 and splicing hole 5, splicing hole 5 is arranged on single casing 11,12, on 13 and 14 the joint face and be positioned at the periphery of inside casing opening, and being in the corner location of single casing, splicing hole 5 respectively is provided with a pair of at the upper limb and the lower edge of the frame structure of single casing; Splicing wedge 3 is a block structure, splicing wedge 3 laterally is inserted in the corresponding splicing of the single casing hole 5 single casing is connected in twos, be provided with spliced eye 31 on the insertion end of splicing wedge 3, splicing pin 4 is installed in the spliced eye 31 single casing is connected and fixed in twos.
The insertion end of splicing pin 4 has the elastic fastening hook 41 that can clamp with reinstatement, and elastic fastening hook 41 passes spliced eye 31 back reinstatements with clamped condition and is fastened on the peritreme of spliced eye 31.When needs are dismantled, clamp elastic fastening hook and make it from spliced eye, deviate to get final product.
Splicing pin 4 ends relative with its insertion end are provided with locating piece 42, and the size of locating piece 42 will be spliced jointly greater than the aperture of spliced eye 31 and elastic fastening hook 41 and be sold 4 and be positioned in the spliced eye 31.
In order to prevent to splice wedge 3 slippage from splicing hole 5, splicing wedge 3 end relative with its insertion end is provided with guide vane end stop 32, and it is spacing in splicing hole 5 that the size of guide vane end stop 32 will be spliced wedge 3 jointly greater than aperture of splicing hole 5 and splicing pin 4.
Cabling mouth on the joint face that the gap at applying position and single casing expose between the single casing joint face is all done encapsulation process.In the present embodiment, be provided with sealing ring 6 in the gap at applying position between the single casing joint face, sealing ring 6 is fastened on splicing pin 4 and is arranged on the part in sticking part interdigit crack; Be provided with the sealing gasket (figure does not draw) that is used for sealing cabling mouth 2 in the cabling mouth 2 that exposes on the single casing; The sealing block (figure does not draw) that is used for sealing splicing hole 5 is installed in the splicing hole 5 of exposing on the single casing.Make splice and combine into distribution box body after, the degree of protection of casing integral body can not reduce.
In the present embodiment, single casing adopts glass fibre as reinforcing material and polycarbonate material integrated injection molding, make and the utlity model has excellent electric insulating, adiabatic heat-insulation, and corrosion resistance is good, mechanical strength is high, can satisfy fully long-term out of doors or the requirement of under bad working environments, working.
The single casing of the utility model can splice and combine into the distribution box body that bulk varies in size flexibly according to actual conditions, as embodiment, single casing can adopt 150 * 300,300 * 300,300 * 450 and 300 * 600 4 basic specifications, but the single casing combination in any splicing of these four kinds of specifications, for example the single casing of the single casing of two 300 * 300 specifications and one 300 * 600 specification can be spliced into the distribution box body of 600 * 600 specifications, and perhaps the single casing of four 300 * 300 specifications can be spliced into the distribution box body of 600 * 600 specifications; Therefore applicability of the present utility model is strong, and is detachable connection between each single casing, thereby easy disassembling, and convenient transportation can reduce cost of transportation greatly.
Execution mode of the present utility model is not limited thereto; according to foregoing of the present utility model; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; the shape of splicing construction of the present utility model, single casing etc. can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.