CN206460698U - A kind of designing physical direct-current circuit laboratory box - Google Patents

Abstract

The utility model discloses a kind of designing physical direct-current circuit laboratory box, including casing, the inside of the casing is installed with supporting plate, dead slot is provided with the inside of the lower surface of the casing, the inner rotation of the dead slot is connected to roller, screwed hole is provided with the outside of the lower surface of the casing, the internal whorl of the screwed hole is connected with support threaded rod, the upper table surface rear end of the supporting plate is installed with resistor block by resistance bore, the upper surface of the resistor block is provided with resistance groove, the rear end of the resistance groove slidably connects the right contact of resistance, the upper surface of the supporting plate is installed with lamp socket by lamp socket fixing hole, wire seat is installed with by wire seat fixing hole on rear side of the upper surface of the supporting plate.The form that the designing physical direct-current circuit laboratory box is combined by roller and supporting pad, can not only facilitate student to do it yourself, additionally it is possible to facilitate teacher to be instructed.

Description

A kind of designing physical direct-current circuit laboratory box

Technical field

The utility model is related to Physical Experiment equipment technical field, specially a kind of design physics Verifying Experiment Case.

Background technology

At present, in electricity teaching experimentation, often it is connected with each other using substantial amounts of electric elements according to line map, by More messy in electric elements, the electric elements after connection are not directly perceived enough, and understanding effect is not good, and existing physical circuit is tested Learning aid includes the parts such as resistance, voltmeter, in addition to multiple conducting wires mostly, leads to wherein between the device such as wire and resistance, voltmeter The mode for crossing nut compressing is connected, although this connected mode can realize Mulit-point Connection, connection procedure is wasted time and energy, peace Overall coefficient is also low, for the student of Junior, using very inconvenient, and learning efficiency is not high, also uses Resistance is inconvenient when being adjusted, and easily causes short circuit phenomenon and influences experiment, is also exactly to need multiple conducting wires to be connected Connect, storage is mixed and disorderly, be unfavorable for management, be also exactly in experimentation is carried out, it is necessary to which mobile experimental site, facilitates teacher to carry out Instruct, existing experimental box movement is inconvenient, influences the efficiency of experimental teaching.

Utility model content

The purpose of this utility model is to provide a kind of designing physical direct-current circuit laboratory box, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides following technical scheme：A kind of design physics Verifying Experiment Case, including casing, the lower surface of the casing are installed with direct-flow storage battery, and the inside of the casing is installed with support Plate, the upper surface of the casing is provided with stopper slot, and the both side surface of the casing is hinged with case lid, and the lower surface of the case lid is set Limited location bar, the positive stop strip is slidably connected on the inside of the inside of stopper slot, the lower surface of the casing and is provided with dead slot, the sky The inner rotation of groove, which is connected on the outside of roller, the lower surface of the casing, is provided with screwed hole, and the internal whorl of the screwed hole connects Support threaded rod is connected to, the lower surface of the support threaded rod is fixedly connected with supporting pad, the upper surface front end of the supporting plate Universal meter is installed with, the upper surface of the universal meter is provided with gauge outfit jack, and the upper table surface rear end of the supporting plate passes through electricity Resistance bore is installed with resistor block, and the upper surface of the resistor block is provided with resistance groove, and the both sides of the resistance groove are provided with gap, The resistance groove is fixedly arranged at the front end with the left contact of resistance, and the front end of the left contact of resistance is connected with a resistance left side by circuit and inserts Hole, the rear end of the resistance groove slidably connects the right contact of resistance, and the rear end surface of the right contact of resistance is fixedly connected with folder Tight spring, the rear end of the right contact of resistance is connected with the right jack of resistance by circuit, and the right jack of resistance is slidably connected The inside of jack sliding groove, the upper surface of the supporting plate is installed with lamp socket by lamp socket fixing hole, the lamp socket it is upper Surface both sides are provided with the left jack of lamp socket and the right jack of lamp socket, and the upper surface of the lamp socket is provided with screw thread lamp hole, the screw thread lamp hole Internal whorl be connected with bulb, the screw thread lamp hole is connected to the left jack of lamp socket, the bottom of the screw thread lamp hole by circuit Bulb contact is fixedly connected with, the bulb contact is connected to behind the right jack of lamp socket, the upper surface of the supporting plate by circuit Side is installed with wire seat by wire seat fixing hole, and the upper surface center of the wire seat is provided with joint standing groove, institute The upper surface both sides for stating wire seat are provided with winding post, and the outer surface of the winding post is provided with winding gap, the winding gap Inner wrap has wire, and the two ends of the wire are connected with plug by circuit, and the upper surface front end of the supporting plate passes through cunning Dynamic seat fixing hole is installed with sliding seat, and the upper surface of the sliding seat is fixedly connected with guide holder, the two of the guide holder Side is equipped with guide groove, and the outer surface of the guide holder slidably connects Mobile base by pilot hole, the pilot hole it is interior Portion is provided with guide pad, and the guide pad is slidably connected to the inside of guide groove, and the upper surface of the Mobile base is installed with knife Throw switch.

It is preferred that, the resistor block, lamp socket and knife throw switch at least two.

It is preferred that, the universal meter, resistor block, lamp socket and knife throw switch are connected to direct-flow storage battery by circuit.

It is preferred that, the height of the support threaded rod is not less than the height of roller.

Compared with prior art, the beneficial effects of the utility model are：A kind of designing physical direct-current circuit laboratory box, leads to The form that roller and supporting pad are combined is crossed, can not only be moved easily, but also can be stably supported, is also exactly to adopt With the switch base being slidably connected, convenient selection multiple switch, wire can wind storage, it is to avoid entanglement, is also exactly to use The resistor block being flexibly connected, is convenient for changing different resistance and is tested, it is to avoid the repeatedly trouble of wiring, can not only be square Just student does it yourself, additionally it is possible to facilitate teacher to be instructed, and greatly improves teaching efficiency.

Brief description of the drawings

Fig. 1 is a kind of overall structure diagram of designing physical direct-current circuit laboratory box described in the utility model；

Fig. 2 is a kind of structural representation of the closing lid of designing physical direct-current circuit laboratory box described in the utility model；

Fig. 3 is a kind of resistor block sectional view of designing physical direct-current circuit laboratory box described in the utility model；

Fig. 4 is a kind of resistor block top view of designing physical direct-current circuit laboratory box described in the utility model；

Fig. 5 is a kind of lamp socket sectional view of designing physical direct-current circuit laboratory box described in the utility model；

Fig. 6 is a kind of wire seat schematic diagram of designing physical direct-current circuit laboratory box described in the utility model；

Fig. 7 is a kind of sliding seat schematic diagram of designing physical direct-current circuit laboratory box described in the utility model.

In figure：1st, casing, 10, direct-flow storage battery, 11, supporting plate, 12, stopper slot, 13, case lid, 14, positive stop strip, 15, empty Groove, 16, roller, 17, screwed hole, 18, support threaded rod, 19, supporting pad, 2, universal meter, 21, gauge outfit jack, 3, resistor block, 31st, resistance bore, 32, resistance groove, 33, gap, 34, the left contact of resistance, 35, the left jack of resistance, 36, the right contact of resistance, 37, folder Tight spring, 38, jack sliding groove, 39, the right jack of resistance, 4, lamp socket, 41, lamp socket fixing hole, 42, the left jack of lamp socket, 43, lamp socket Right jack, 44, screw thread lamp hole, 45, bulb contact, 46, bulb, 5, wire seat, 51, wire seat fixing hole, 52, joint places Groove, 53, wrapping post, 54, coiling gap, 55, wire, 56, joint, 6, sliding seat, 61, sliding seat fixing hole, 62, guide holder, 63rd, guide groove, 64, pilot hole, 65, guide pad, 66, Mobile base, 67, knife throw switch.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-7 are referred to, the utility model provides a kind of technical scheme：A kind of designing physical direct-current circuit laboratory box, Including casing 1, the lower surface of casing 1 is installed with direct-flow storage battery 10, and the inside of casing 1 is installed with supporting plate 11, The upper surface of casing 1 is provided with stopper slot 12, and the both side surface of casing 1 is hinged with case lid 13, and the lower surface of case lid 13 is provided with spacing Bar 14, positive stop strip 14 is slidably connected to the inside of stopper slot 12, is provided with dead slot 15 on the inside of the lower surface of casing 1, dead slot 15 it is interior Portion is rotationally connected with the outside of roller 16, the lower surface of casing 1 and is provided with screwed hole 17, and the internal whorl of screwed hole 17 is connected with support Threaded rod 18, the height of support threaded rod 18 is not less than the height of roller 16, can so put down support threaded rod 18, will Desktop is left in the support of roller 16, can prevent from sliding in use, the lower surface of support threaded rod 18 is fixedly connected with supporting pad 19, The upper surface front end of supporting plate 11 is installed with universal meter 2, and universal meter 2, resistor block 3, lamp socket 4 and knife throw switch 67 pass through Circuit is connected to direct-flow storage battery 10, it is ensured that security, and can be smoothed out experiment designed, universal meter 2 it is upper Surface is provided with gauge outfit jack 21, and the upper table surface rear end of supporting plate 11 is installed with resistor block 3, resistor block by resistance bore 31 3rd, lamp socket 4 and knife throw switch 67 at least two, can so select for different experiments, reach the mesh of design , the upper surface of resistor block 3 is provided with resistance groove 32, the both sides of resistance groove 32 are provided with gap 33, and resistance groove 32 is fixedly arranged at the front end with The left contact 34 of resistance, the front end of the left contact 34 of resistance is connected with the left jack 35 of resistance by circuit, and the rear end of resistance groove 32 is slided The right contact 36 of resistance is connected with, the rear end surface of the right contact 36 of resistance is fixedly connected with fastening spring 37, the right contact 36 of resistance Rear end is connected with the right jack 39 of resistance by circuit, and the right jack 39 of resistance slidably connects the inside of jack sliding groove 38, support The upper surface of plate 11 is installed with lamp socket 4 by lamp socket fixing hole 41, and the upper surface both sides of lamp socket 4 are provided with the left jack 42 of lamp socket With the right jack of lamp socket 43, the upper surface of lamp socket 4 is provided with screw thread lamp hole 44, and the internal whorl of screw thread lamp hole 44 is connected with bulb 46, Screw thread lamp hole 44 is connected to the left jack 42 of lamp socket by circuit, and the bottom of screw thread lamp hole 44 is fixedly connected with bulb contact 45, lamp Bubble contact 45 is connected on rear side of the right jack 43 of lamp socket, the upper surface of supporting plate 11 by circuit and fixed by wire seat fixing hole 51 Wire seat 5 is installed, the upper surface center of wire seat 5 is provided with joint standing groove 52, and the upper surface both sides of wire seat 5, which are provided with, to twine Around post 53, the outer surface of winding post 53 is provided with winding gap 54, and the inner wrap of winding gap 54 has wire 55, the two of wire 55 End is connected with plug 56 by circuit, and the upper surface front end of supporting plate 11 is installed with sliding seat by sliding seat fixing hole 61 6, the upper surface of sliding seat 6 is fixedly connected with guide holder 62, and the two sides of guide holder 62 are equipped with guide groove 63, guide holder 62 Outer surface slidably connects Mobile base 66 by pilot hole 64, and the inside of pilot hole 64 is provided with guide pad 65, and guide pad 65 is slided The inside of guide groove 63 is connected to, the upper surface of Mobile base 66 is installed with knife throw switch 67.

It should be noted that during work：Normal in use, can so can under the support turn of threaded rod 18 Roller 16 is supported, it is convenient casing 1 to be fixed support, it is more convenient, when needing shift position to be, it will can support The upward turn of threaded rod 18, such roller 16 will touch desktop, than relatively labor-saving when mobile, when being tested, can be with Knife throw switch 67 is slidably connected on guide holder 62 by guide groove 63, it is to avoid dislocation occurs for multiple knife throw switches 67, Then wire 55 can be used, and plug 56 is linked into inside each jack, circuit connection is carried out, it is straight in being designed property , it is necessary to select the resistance of different resistances for different situations during current circuit experiment, this is can be by the resistance of different resistances It is put into resistance groove 32, it is possible to access circuit, when needing to change resistance, inserting a finger into gap 33 can just take Go out resistance to be changed, it is very convenient, and also fastening spring 37 can be clamped to the resistance of different length, and it is very real With, also it is exactly that use many can be wrapped in coiling gap 54 with wire 55, and joint 56 is positioned over joint standing groove In 52, it is to avoid wire 55 is intertwined, the efficiency of experiment can be greatly improved, not only facilitates and uses, and be also convenient for reality Test the management and maintenance of equipment.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of designing physical direct-current circuit laboratory box, including casing（1）, it is characterised in that：The casing（1）Lower surface It is installed with direct-flow storage battery（10）, the casing（1）Inside be installed with supporting plate（11）, the casing（1）'s Upper surface is provided with stopper slot（12）, the casing（1）Both side surface be hinged with case lid（13）, the case lid（13）Lower surface Provided with positive stop strip（14）, the positive stop strip（14）It is slidably connected to stopper slot（12）Inside, the casing（1）Lower surface in Side is provided with dead slot（15）, the dead slot（15）Inner rotation be connected to roller（16）, the casing（1）Lower surface on the outside of set There is screwed hole（17）, the screwed hole（17）Internal whorl be connected with support threaded rod（18）, the support threaded rod（18） Lower surface be fixedly connected with supporting pad（19）, the supporting plate（11）Upper surface front end be installed with universal meter（2）, institute State universal meter（2）Upper surface be provided with gauge outfit jack（21）, the supporting plate（11）Upper table surface rear end pass through resistance bore （31）It is installed with resistor block（3）, the resistor block（3）Upper surface be provided with resistance groove（32）, the resistance groove（32）'s Both sides are provided with gap（33）, the resistance groove（32）Be fixedly arranged at the front end with the left contact of resistance（34）, the left contact of resistance（34） Front end the left jack of resistance is connected with by circuit（35）, the resistance groove（32）Rear end slidably connect the right contact of resistance （36）, the right contact of resistance（36）Rear end surface be fixedly connected with fastening spring（37）, the right contact of resistance（36）'s Rear end is connected with the right jack of resistance by circuit（39）, the right jack of resistance（39）Slidably connect jack sliding groove（38）'s Inside, the supporting plate（11）Upper surface pass through lamp socket fixing hole（41）It is installed with lamp socket（4）, the lamp socket（4）'s Upper surface both sides are provided with the left jack of lamp socket（42）With the right jack of lamp socket（43）, the lamp socket（4）Upper surface be provided with screw thread lamp hole （44）, the screw thread lamp hole（44）Internal whorl be connected with bulb（46）, the screw thread lamp hole（44）It is connected to by circuit The left jack of lamp socket（42）, the screw thread lamp hole（44）Bottom be fixedly connected with bulb contact（45）, the bulb contact（45） The right jack of lamp socket is connected to by circuit（43）, the supporting plate（11）Upper surface on rear side of pass through wire seat fixing hole（51）Gu Dingan County is equipped with wire seat（5）, the wire seat（5）Upper surface center be provided with joint standing groove（52）, the wire seat（5） Upper surface both sides be provided with winding post（53）, the winding post（53）Outer surface provided with winding gap（54）, it is described to wind open-minded Mouthful（54）Inner wrap have wire（55）, the wire（55）Two ends plug is connected with by circuit（56）, the support Plate（11）Upper surface front end pass through sliding seat fixing hole（61）It is installed with sliding seat（6）, the sliding seat（6）Upper table Face is fixedly connected with guide holder（62）, the guide holder（62）Two sides be equipped with guide groove（63）, the guide holder（62） Outer surface pass through pilot hole（64）Slidably connect Mobile base（66）, the pilot hole（64）Inside be provided with guide pad （65）, the guide pad（65）It is slidably connected to guide groove（63）Inside, the Mobile base（66）Upper surface be fixedly mounted There is knife throw switch（67）.

2. a kind of designing physical direct-current circuit laboratory box according to claim 1, it is characterised in that：The resistor block （3）, lamp socket（4）With knife throw switch（67）At least two.

3. a kind of designing physical direct-current circuit laboratory box according to claim 1, it is characterised in that：The universal meter （2）, resistor block（3）, lamp socket（4）With knife throw switch（67）Direct-flow storage battery is connected to by circuit（10）.

4. a kind of designing physical direct-current circuit laboratory box according to claim 1, it is characterised in that：The support screw thread Bar（18）Height be not less than roller（16）Height.