A kind of electric quantity metering box
Technical field
The utility model relates to a kind of electric quantity metering box, especially a kind of electric quantity metering box that can make things convenient for the user to change switch.
Prior art
Existing various electric quantity metering box is provided with switch according to electric administrative department and user's requirement major part at power output, is convenient to occurring protecting power consumption equipment under the situations such as overload or electric leakage; Therefore, for achieving the above object, the design of these electric quantity metering boxs is divided into two types, and a kind of is to be provided with switch-box separately, be convenient in use open case lid and change and inspection switch, because the cut-off point majority of house lead in is arranged in the switch-box, and when opening switch-box, must expose the house lead in cut-off point, the easy stealing of user, this type of table case can not reach the purpose that the house lead in cut-off point is set; Another kind is that ammeter and switch place the electric quantity metering box in the casing together, also will reveal during owing to replacing and inspection switch and put cut-off point, so they still exist the problems referred to above.
Technical scheme
The purpose of this utility model provides and a kind ofly can make things convenient for the user to change or the electric quantity metering box of inspection switch.
Another purpose of the present utility model provides a kind of electric quantity metering box that can allow electric administrative department can make things convenient for deenergization when detecting or change ammeter.
For achieving the above object, the technical solution adopted in the utility model is achieved in that
A kind of electric quantity metering box is provided, and it is formed by connecting by casing and end box or base plate, it is characterized in that casing matches with movable fishplate bar.
Aforesaid a kind of electric quantity metering box is characterized in that described casing is provided with the lockhole ear mouth that is provided with on lockhole ear and the movable fishplate bar and matches.
Aforesaid a kind of electric quantity metering box is characterized in that described casing is provided with information boxes.
Aforesaid a kind of electric quantity metering box is characterized in that box of the described end or base plate are provided with mediastinum.After casing and end box or base plate cover, end box or base plate lower end are separated into the left and right sides by mediastinum.
Aforesaid a kind of electric quantity metering box is characterized in that box of the described end or base plate lower-left side are sequentially provided with switch platform and/or line ball piece loose slot and lead entrance hole.
Aforesaid a kind of electric quantity metering box is characterized in that box of the described end or base plate lower right side are provided with movable switch platform and/or dodge gate.
Aforesaid a kind of electric quantity metering box is characterized in that box of the described end or base plate lower right side are provided with lead and import seat and/or be set with the card ear of plate of switch platform and the slot that cooperates with plate.
Aforesaid a kind of electric quantity metering box is characterized in that box of the described end or base plate lower right side are provided with the hold-down screw that is provided with under loose slot and switch platform or the switch platform plate and slip.
Aforesaid a kind of ammeter box case is characterized in that end box or base plate upper end is provided with the draw-in groove that matches with card ear on the casing, and is used for sealing the column that dock in the hole in the shrinkage pool; Casing is with after end box or base plate are connected, and card ear on the casing and the draw-in groove interlocking on end box or the base plate, the screw rod of going up Feng Shiyong and column are spirally connected and with casing and end box or floor locking; Last envelope shrinkage pool edge is provided with the lead sealing ear.
Aforesaid a kind of electric quantity metering box is characterized in that described dodge gate is provided with metallic channel or wire openings.
Aforesaid a kind of electric quantity metering box is characterized in that described dodge gate is provided with the through hole that cooperates with screw on the casing.
Electric quantity metering box after above-mentioned the setting, switch platform or the plate that is provided with the switch platform have adopted slidably structure, therefore, but deenergization and change sense switch easily; Again because after mediastinum is set, end box or base plate downside are obviously separated, binding post platform and/or line ball piece loose slot and lead entrance hole that end box or base plate lower-left side are provided with constitute a kind of movably structure jointly, can disconnect the house lead in power supply easily and detect or change ammeter.
Electric quantity metering box after above-mentioned the setting, also can adopt between end box or base plate and the casing and to cooperate, to go up that the screw rod of Feng Shiyong and column are spirally connected and with the structure of casing and end box or floor locking with draw-in groove with dop, realized the installation of casing easily, setting at last envelope shrinkage pool place is optionally used holographic laser anti-counterfeiting encode seal or false proof lead sealing and is made this kind table case possess anti-electricity-theft function.
Through more than electric quantity metering box after being provided with, can design the height of casing as required and itself and the mechanical type voltameter that will install or electron charge epiphase are adapted to.
Through more than electric quantity metering box after being provided with, all adopted casing and the structure that movable fishplate bar cooperates, make the electric quantity metering box flat appearance, attractive in appearance, realized the function that electric quantity metering box possessed well.
Description of drawings
Fig. 1 is the surface structure schematic diagram of a kind of embodiment of the utility model.
Fig. 2 is the structural representation of end box the latter half among the utility model embodiment.
Fig. 3 is the structure assembly drawing that the utility model is used to install the electron charge table.
Fig. 4 is the structure assembly drawing that the utility model is used to install mechanical voltameter.
Execution mode
See also Fig. 1 to Fig. 4, electric quantity metering box as shown in the figure, it is connected to form by casing 1 and end box or base plate 2 two parts, and present embodiment is made up of casing 1 and end box 2, also can be made of casing and base plate in other embodiments; Casing 1 matches with movable fishplate bar 3, this fishplate bar 3 can be planar shaped or curved surface shaped, can be connected with casing 1 countershaft when being curved surface shaped, it also can be the multiaspect shape that is combined to form a plurality of openings by a plurality of planes, just in time match, be combined into three-dimensional laminated structure as three faces and just in time cooperate, wherein with on the one side that casing 1 front cooperates movable window is set with casing 1 opening portion with opening portion on the casing 1, be convenient to when not needing detection or changing switch, split to close and control.
Described casing is provided with the lockhole ear mouth 5 that is provided with on lockhole ear 4 and the movable fishplate bar 3 and matches, can movable fishplate bar 3 is fixing with lock, and seal casing 1, movable fishplate bar 3 covers the information boxes 6 that is positioned on the casing 1.
Aforesaid a kind of electric quantity metering box is characterized in that box of the described end or base plate are provided with mediastinum 7.Casing 1 is separated into the left and right sides by mediastinum 7 with end box or base plate 2 lower ends after covering with end box or base plate 2, is convenient to be provided with the various functions of electric quantity metering box.
Aforesaid a kind of electric quantity metering box, it is characterized in that box of the described end or base plate 2 lower-left sides are sequentially provided with switch platform 8 and/or line ball piece loose slot 9 and lead entrance hole 10, described switch platform 8 can be used for being provided with binding post, as the three-phase input terminal, three-phase inlet wire and zero line totally four power lines pass lead entrance hole 10, the through hole of forming by two line ball pieces, 11 pressuring line grooves 12, insert in four holes of three-phase terminal, three-phase terminal links to each other with three-phase kilowatt-hour meter, passing the through hole that is provided with on the line ball piece 11 with screw rod can be fixed on line ball piece 11 on the loose slot 9, when electric administrative department need be overhauled or be changed ammeter, only need unclamp the spiral shell nurse that is connected with screw rod, the line ball piece 11 of leaving behind in loose slot 9 can be cut off the electricity supply, and is very convenient; Line ball piece 11 also can be set with loose slot 9 and directly to link to each other with three-phase terminal on the switch platform 8 through lead entrance hole 10; Also can adopt the setting of displacement activity groove 9, line ball piece 11 still to belong to the scope of present embodiment general introduction.
Aforesaid a kind of electric quantity metering box, it is characterized in that box of the described end or base plate 2 lower right sides be provided with movable switch platform 13 and or dodge gate 14; In an embodiment, the alternative employing is provided with movable switch platform 13, dodge gate 14.As switch platform 13, no dodge gate 14 only are set, under this state, switch platform 13 is fixing by being spirally connected with end box or base plate 2, unclamps screw and also can take off the switch platform 13 that switch is housed, and overhauls or change switch; In a preferred embodiment, end box or base plate 2 lower right sides be provided with lead import seat 15 and or be set with the card ear 17 of plate 16 of switch platform 13 and the slot 18 that cooperates with plate 16, dodge gate 14 is set on the end box 2, dodge gate 14 is provided with metallic channel 19 or wire openings, with plate 16 corresponding settings, also be provided with the through hole 21 that cooperates with screw 20 on the casing 1 on the dodge gate 14, be convenient to dodge gate 14 fixing; Wherein block ear 17 be set to two next, after plate 16 inserts slot 18, a following card ear 17 blocks plate 16 and fix, above two card ears 17 be to drag down replacing or during inspection switch when plate 16, block plate 16, after avoiding firmly hauling out plate 16, aligned notches is retightened the trouble of position again.
Aforesaid a kind of electric quantity metering box, it is characterized in that box of the described end or base plate 2 are provided with the hold-down screw that loose slot and switch platform 13 or switch platform plate be provided with for 16 times and slip, as on switch platform 13 or switch platform plate 16, establishing concave screw hole, the other diverse location of groove is provided with movable dop, by screw with the connection of screwed hole and floatless switch platform 13 or switch platform plate 16, when needing maintenance or changing switch, unclamp screw, push down dop, switch platform 13 or switch platform plate 16 can be left behind, this set can replace the setting that plate 16 cooperates with slot 18.
Aforesaid a kind of electric quantity metering box is characterized in that end box or base plate 2 upper ends are provided with the draw-in groove 23 that matches with card ear 22 on the casing 1, the column 25 that docks with the hole in being used for envelope shrinkage pool 24; Casing 1 is with after end box or base plate 2 are connected, the card ear 22 on the casing 1 and end box or base plate 2 lockings; Last envelope shrinkage pool 24 edges are provided with lead sealing ear 26, and after being provided with through this, casing 1 and end box or base plate 2 interlocking securely are one, make it have anti-stealing electricity function, seal up in choosing, both can adorn the anti-fake code plastic packaging, can adorn lead sealing again.
In the foregoing description, the end box or base plate 2 left and right sides also can be set to have same structure with described embodiment.
The utility model is used as when electron charge table or mechanical voltameter are installed, and casing 1 can be made into the bright casing of full impregnated, is an integral body; Opaque as casing 1, its viewing window is made of transparent plastic.
The utility model can with flame-proof ABS make casing 1 and or end box or base plate 2, the bright table case of also available PC plastic production full impregnated, the form material can be selected the SAN plastic production for use.