CN206991619U

CN206991619U - A kind of Multifunctional static electricity demonstrating instrument

Info

Publication number: CN206991619U
Application number: CN201720652514.4U
Authority: CN
Inventors: 刘皓宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-07
Filing date: 2017-06-07
Publication date: 2018-02-09
Anticipated expiration: 2027-06-07

Abstract

The utility model discloses a kind of Multifunctional static electricity demonstrating instrument, including base, framework is installed on the right side of the upper surface of the base, the inner tip of the framework is provided with fur roller, the inner bottom of the framework is provided with silk roller, the bottom of second compression spring is provided with rubber bar, and the top of first compression spring is provided with glass bar, and the right-hand member of the discharger is provided with current collection ball.The Multifunctional static electricity demonstrating instrument, pass through the cooperation of glass bar, rubber bar and current collection ball, silk roller rotates produces positive electricity with glass bar friction, the positive electricity of glass bar passes to the first Leyden jar by the first wire, fur roller rotates produces negative electricity with rubber bar friction, the negative electricity of rubber bar passes to the second Leyden jar by the second wire, when two current collection balls with positive electricity and with negative electricity close to when will discharge, produce electric spark, external electric equipment is not needed, space-consuming is few, can meet the use demand of user.

Description

A kind of Multifunctional static electricity demonstrating instrument

Technical field

Demonstrator technical field is the utility model is related to, specially a kind of Multifunctional static electricity demonstrating instrument.

Background technology

During electrostatic experiment, the motion of physics in the case of electrostatic is demonstrated in test with electrostatic demonstrator, tradition Electrostatic demonstration device be to adsorb slight small item body demonstration Electrostatic Absorption effect, but this side after glass bar or rubber bar friction mostly Method can not calculate the absorption affinity of electrostatic object after experiment, can not meet the needs of experiment, in the prior art, such as application number For 201620733976.4 utility model patent, including bottom plate, the top of the bottom plate is respectively arranged on the left side and the right side positive plate And negative plate, suspension bracket is provided with the top center of the bottom plate, and the bottom of the suspension bracket is provided with induction sphere, the rear side of the bottom plate Top is provided with operation shell, and the positive left and right ends of the operation shell are respectively equipped with display and controller, the bottom of the bottom plate Power supply device is provided with center, the inner side of the positive plate and negative plate is provided with pressure-detecting device, although the utility model can Effect dynamics of the induction sphere under electrostatic interaction is detected, but needs external electric equipment, takes more spaces, it is impossible to meet The use demand of user.

Utility model content

The purpose of this utility model is to provide a kind of Multifunctional static electricity demonstrating instrument, to solve to propose in above-mentioned background technology The problem of.

To achieve the above object, the utility model provides following technical scheme：A kind of Multifunctional static electricity demonstrating instrument, including bottom Seat, the upper surface right side of the base are provided with framework, and the inner tip of the framework is provided with fur roller, the fur roller Framework is run through in left and right ends, and the right-hand member of the fur roller is provided with crank, and the left end of the fur roller is provided with the first belt Wheel, the inner bottom of the framework are provided with silk roller, and the left end of the silk roller runs through framework, the left end peace of the silk roller Equipped with the second belt pulley, second belt pulley is connected by belt with the first belt pulley, is provided with above the fur roller Upper spring seat, the top of the upper spring seat are connected with framework, and the inside of the upper spring seat is provided with the second compression spring, institute The bottom for stating the second compression spring is provided with rubber bar, and upper spring seat is run through in the bottom of the rubber bar, under the silk roller Side is provided with lower spring cup, and the bottom of the lower spring cup is connected with base, and the inside of the lower spring cup is provided with the first pressure Contracting spring, the top of first compression spring are provided with glass bar, and lower spring cup, the bottom are run through in the top of the glass bar The first Leyden jar is installed on the left of the upper surface of seat, first Leyden jar is connected by the first wire with glass bar, and described the Second Leyden jar is installed on the right side of one Leyden jar, second Leyden jar is connected by the second wire with rubber bar, and described The top of one Leyden jar and the second Leyden jar is mounted on connecting rod, and discharger, the discharger are provided with the right side of the connecting rod Through connecting rod, the left end of the discharger is provided with insulated handle, and the right-hand member of the discharger is provided with current collection ball.

Preferably, the junction of the connecting rod and the first Leyden jar is provided with connecting seat, and the connecting seat includes connection bottom Plate, the bottom of the connecting bottom board are connected with the first Leyden jar, and the top of the connecting bottom board is provided with riser, and the connecting rod passes through Riser is worn, the top of the riser is provided with screw, and the screw is threadedly coupled with riser, and the outer wall of the screw is provided with spiral shell Cap, the nut are connected with screw thread.

Preferably, dividing plate is installed at the inside center of the framework.

Preferably, the outer wall of the crank is provided with grip.

Preferably, the lower surface corner of the base is mounted on feet.

Compared with prior art, the beneficial effects of the utility model are：The Multifunctional static electricity demonstrating instrument, by glass bar, The cooperation of rubber bar and current collection ball, silk roller rotates produces positive electricity with glass bar friction, and the positive electricity of glass bar passes through the first wire Pass to the first Leyden jar, fur roller rotates produces negative electricity with rubber bar friction, and the negative electricity of rubber bar passes to the by the second wire Two Leyden jars, when two current collection balls with positive electricity and with negative electricity close to when will discharge, produce electric spark, it is not necessary to it is external Electric equipment is played, space-consuming is few, can meet the use demand of user.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is glass bar structural representation of the present utility model；

Fig. 3 is rubber bar structural representation of the present utility model；

Fig. 4 is connecting base structure schematic diagram of the present utility model.

In figure：1st, base, 2, framework, 3, silk roller, 4, fur roller, 5, crank, the 6, first belt pulley, 7, belt, 8, Two belt pulleys, the 9, first Leyden jar, the 10, second Leyden jar, the 11, first wire, the 12, second wire, 13, connecting rod, 14, electric discharge Fork, 15, insulated handle, 16, current collection ball, 17, lower spring cup, 18, upper spring seat, 19, glass bar, the 20, first compression spring, 21st, rubber bar, the 22, second compression spring, 23, grip, 24, feet, 25, dividing plate, 26, connecting seat, 261, connecting bottom board, 262, Riser, 263, screw, 264, nut.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, 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, belong to the scope of the utility model protection.

Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of Multifunctional static electricity demonstrating instrument, including base 1, the lower surface corner of base 1 is mounted on feet 24, and feet 24 plays the role of that vibration damping is anti-skidding, pacifies on the right side of the upper surface of base 1 Equipped with framework 2, the inner tip of framework 2 is provided with fur roller 4, and the outer wall of fur roller 4 is enclosed with fur, the left and right of fur roller 4 Framework 2 is run through at both ends, and the right-hand member of fur roller 4 is provided with crank 5, and the outer wall of crank 5 is provided with grip 23, and grip 23 makes crank 5 rotation is more convenient, and the left end of fur roller 4 is provided with the first belt pulley 6, and crank 5 drives fur roller 4 to rotate, and fur roller 4 drives First belt pulley 6 rotates, and the inner bottom of framework 2 is provided with silk roller 3, and the outer wall of silk roller 3 is enclosed with silk, silk roller 3 Left end run through framework 2, the left end of silk roller 3 is provided with the second belt pulley 8, and the second belt pulley 8 passes through the belt of belt 7 and first Wheel 6 is connected, and the first belt pulley 6 drives the second belt pulley 8 to rotate by belt 7, and the second belt pulley 8 drives silk roller 3 to rotate, skin The top of hair roller 4 is provided with upper spring seat 18, and the top of upper spring seat 18 is connected with framework 2, the inside installation of upper spring seat 18 There is the second compression spring 22, the coefficient of elasticity of the second compression spring 22 is 5N/CM, and the bottom of the second compression spring 22 is provided with rubber Upper spring seat 18 is run through in glue stick 21, the bottom of rubber bar 21, and fur roller 4 rotates produces negative electricity, silk roller 3 with the friction of rubber bar 21 Lower section lower spring cup 17 is installed, the bottom of lower spring cup 17 is connected with base 1, and the inside of lower spring cup 17 is provided with first Compression spring 20, the top of the first compression spring 20 are provided with glass bar 19, and lower spring cup 17, silk are run through in the top of glass bar 19 Silk fabric roller 3 rotates produces positive electricity with the friction of glass bar 19, is provided with dividing plate 25 at the inside center of framework 2, dividing plate 25 makes silk roller 3 Being separated with fur roller 4, the first Leyden jar 9 is installed on the left of the upper surface of base 1, the first Leyden jar 9 is used to storing positive electricity, and first Leyden jar 9 is connected by the first wire 11 with glass bar 19, and the positive electricity of glass bar 19 passes to the first Leiden by the first wire 11 Bottle 9, the right side of the first Leyden jar 9 are provided with the second Leyden jar 10, and the second Leyden jar 10 is used to store negative electricity, the second Leyden jar 10 It is connected by the second wire 12 with rubber bar 21, the negative electricity of rubber bar 21 passes to the second Leyden jar 10 by the second wire 12, the The top of one Leyden jar 10 and the second Leyden jar 10 is mounted on connecting rod 13, the junction installation of the Leyden jar 9 of connecting rod 13 and first There is connecting seat 26, connecting seat 26 includes connecting bottom board 261, and the bottom of connecting bottom board 261 is connected with the first Leyden jar 9, connects bottom The top of plate 261 is provided with riser 262, and connecting rod 13 runs through riser 262, and the top of riser 262 is provided with screw 263, screw 263 It is threadedly coupled with riser 262, the outer wall of screw 263 is provided with nut 264, and connecting rod 13 can be fixed by tightening screw 263, be unscrewed Screw 263 can be threadedly coupled with pivot link 13, nut 264 with screw 263, and nut 264 is used to pin screw 263, prevents spiral shell Nail 263 loosens, and the right side of connecting rod 13 is provided with discharger 14, and discharger 14 runs through connecting rod 13, and the left end of discharger 14 is provided with Insulated handle 15, electrostatic passes to hand when insulated handle 15 is used to prevent from adjusting discharger 14, and the right-hand member of discharger 14 is provided with Current collection ball 16, current collection ball 16 can assemble electric charge, when two current collection balls 16 with positive electricity and with negative electricity close to when will put Electricity, produce electric spark.

Crank 5 drives fur roller 4 to rotate, and fur roller 4 drives the first belt pulley 6 to rotate, and the first belt pulley 6 passes through belt 7 The second belt pulley 8 is driven to rotate, the second belt pulley 8 drives silk roller 3 to rotate, and silk roller 3 rotates to be produced with the friction of glass bar 19 Positive electricity, the positive electricity of glass bar 19 pass to the first Leyden jar 9 by the first wire 11, and fur roller 4 rotates to be produced with the friction of rubber bar 21 Raw negative electricity, the negative electricity of rubber bar 21 passes to the second Leyden jar 10 by the second wire 12, as two with positive electricity and with negative electricity Individual current collection ball 16 close to when will discharge, produce electric spark.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not It is interpreted as to limitation of the present utility model.

In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or Relative importance or the implicit quantity for indicating indicated technical characteristic are implied, thus, defines " first ", " second ", " the Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally； Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

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 with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Multifunctional static electricity demonstrating instrument, including base (1), it is characterised in that：Installed on the right side of the upper surface of the base (1) There is framework (2), the inner tip of the framework (2) is provided with fur roller (4), and the left and right ends of the fur roller (4) are run through Framework (2), the right-hand member of the fur roller (4) are provided with crank (5), and the left end of the fur roller (4) is provided with the first belt pulley (6), the inner bottom of the framework (2) is provided with silk roller (3), and the left end of the silk roller (3) runs through framework (2), described The left end of silk roller (3) is provided with the second belt pulley (8), and second belt pulley (8) passes through belt (7) and the first belt pulley (6) it is connected, upper spring seat (18), top and the framework (2) of the upper spring seat (18) is installed above the fur roller (4) It is connected, the inside of the upper spring seat (18) is provided with the second compression spring (22), the bottom of second compression spring (22) Rubber bar (21) is installed, upper spring seat (18), the lower section installation of the silk roller (3) are run through in the bottom of the rubber bar (21) There is lower spring cup (17), the bottom of the lower spring cup (17) is connected with base (1), the inside installation of the lower spring cup (17) There is the first compression spring (20), the top of first compression spring (20) is provided with glass bar (19), the glass bar (19) Top run through lower spring cup (17), the first Leyden jar (9), first Lay are installed on the left of the upper surface of the base (1) The bottle (9) that pauses is connected by the first wire (11) with glass bar (19), and the second Leiden is provided with the right side of first Leyden jar (9) Bottle (10), second Leyden jar (10) are connected by the second wire (12) with rubber bar (21), first Leyden jar (10) Connecting rod (13) is mounted on the top of the second Leyden jar (10), discharger (14), institute are installed on the right side of the connecting rod (13) State discharger (14) and run through connecting rod (13), the left end of the discharger (14) is provided with insulated handle (15), the discharger (14) right-hand member is provided with current collection ball (16).

A kind of 2. Multifunctional static electricity demonstrating instrument according to claim 1, it is characterised in that：The connecting rod (13) and the first Lay The junction of bottle (9) is provided with connecting seat (26), and the connecting seat (26) includes connecting bottom board (261), the connecting bottom board (261) bottom is connected with the first Leyden jar (9), and the top of the connecting bottom board (261) is provided with riser (262), the company Bar (13) runs through riser (262), and the top of the riser (262) is provided with screw (263), the screw (263) and riser (262) it is threadedly coupled, the outer wall of the screw (263) is provided with nut (264), the nut (264) and screw (263) screw thread Connection.

A kind of 3. Multifunctional static electricity demonstrating instrument according to claim 1, it is characterised in that：In the inside of the framework (2) Dividing plate (25) is installed at the heart.

A kind of 4. Multifunctional static electricity demonstrating instrument according to claim 1, it is characterised in that：The outer wall peace of the crank (5) Equipped with grip (23).

A kind of 5. Multifunctional static electricity demonstrating instrument according to claim 1, it is characterised in that：The lower surface of the base (1) Corner is mounted on feet (24).