The application based on and the benefit of priority of the P2009-153498 of Japanese patent application formerly that requires to submit on June 29th, 2009; By reference its full content is incorporated into this.
The specific embodiment
Followingly describe embodiment of the present invention in detail with reference to accompanying drawing.Notice, in a plurality of following embodiments, comprise similar composed component.Therefore, hereinafter, common Reference numeral is specified to these similar composed components, and omits being repeated in this description them.
(first embodiment)
In this embodiment, illustrate a kind of situation, wherein the present invention is applied to make hair to have straight moulding and can makes hair have the hair iron 1 of curling moulding.
Of Fig. 1 to Fig. 4, generally speaking, hair iron 1 comprises: make hair have the hair clamping part 2 of moulding through the clamping hair; With keep the portion of holding with a firm grip of hair clamping part 2 through holding with a firm grip by the user.Then, in the hair iron 1 according to this embodiment, be provided with ion generation portion 4 (with reference to Fig. 4), it produces ion, and in addition, with the emission of ions that produces to a branch of hair that is clamped in the hair clamping part 2.
Hair clamping part 2 is made up of following parts: a pair of half-cylindrical division clamping part 21 and 22, it has the relative outer circumference surface as the area of heating surface, and through freedom each other near with separate to come the clamping hair; With pressing plate 23, its through freedom near clamping hair with leaving as the outer circumference surface of the division clamping part 21 of one (upside among Fig. 1) of these divisions in the clamping part 21 and 22.
Division clamping part 21 and 22 forms by the metal with semicircular sectional shape (for example, copper) is independent.Here, said metal is the conductive material with high-termal conductivity.In the inside of each division clamping part 21 and 22, heating is installed, and these divide the heater 6 (with reference to Fig. 5) of the relative outer circumference surface of clamping parts 21 and 22.
Therefore, this bundle hair pin is held in this between division clamping part 21 and apparent surface of 22, thereby so the hair of clamping is by facing surfaces heating and heating, and becomes and can make hair have straight moulding.And, being provided with water tank 24 on the top of division clamping part 21 and 22, the water that is stored in the water tank 24 is supplied to heater 6, and evaporation there, outwards sprays from the periphery that divides clamping part 21 and 22 thereby water can be used as steam.
Pressing plate 23 forms has the circular section shape, and its outer circumference surface along division clamping part 21 extends, and is connected to pivotally subsequently on it, rotatablely moving around the pivot points P 1 as axis.In this embodiment, pressing plate 23 comprises: push surface element 231 with the spatula shape along what top orientation was extended; With the operating portion 232 that extends from the base ends of pushing surface element 231 along the direction of the portion 3 of holding with a firm grip.Subsequently, as shown in Figure 1, the lifting that is inclined upwardly of the tip side of the operating portion 232 of extension, separating with the portion of holding with a firm grip 3, and its base portion is connected to the top ends of the portion of holding with a firm grip 3, between them, accompanies spring 25 simultaneously.
And, in normal condition, in pressing plate 23,, make it push surface element 231 and the outer circumference surface Elastic Contact that divides clamping part 21 through the thrust of spring 25.Therefore, operating portion 232 against 25, are opened thereby push surface element 231 along the operation of division clamping part 21 directions along the thrust of the direction of pushing related operating portion 232, and with separate around division clamping part 21 as the pivot points P 1 at center.In this state, this bundle hair is inserted in to be pushed between surface element 231 and the division clamping part 21, and discharges the extruding force that is used for operating portion 232 subsequently.Subsequently, through the thrust of spring 25, hair can be clipped between the outer circumference surface of pushing surface element 231 and division clamping part 21.By this way, be clipped in and push surface element 231 and the hair of division between the clamping part 21 and be heated and heating, and can make hair have curling moulding from the outer circumference surface that becomes the area of heating surface of division clamping part 21.
The portion 3 of holding with a firm grip is made up of the division portion 31 and 32 of holding with a firm grip; Hold with a firm grip portion 31 and splitting in 32 minutes of division; With the corresponding division clamping part 21 and 22 of continued access; Wherein as this to one the division clamping part 21 of division in the clamping part on the whole from outstanding to division hold with a firm grip the top of portion 31 of one division the portion of holding with a firm grip as this, and another division clamping part 22 is outstanding from hold with a firm grip the top of portion 32 of another division on the whole.
Particularly, as shown in Figure 5, retaining member 211 and 221 is connected to corresponding division clamping part 21 and 22 base portion.Then; As this retaining member 211 of one the division clamping part 21 of division in the clamping part removably is connected to as this division hold with a firm grip the top ends of portion 31 of one division in the portion of holding with a firm grip by the screw (not shown); And at length; Be connected to subsequently the top ends with the housing of describing 311, and in a similar fashion, the retaining member 221 of another division clamping part 22 removably is connected to hold with a firm grip the top ends of portion 32 of another division by the screw (not shown); And at length, be connected to subsequently top ends with the housing of describing 321.
As stated, in this embodiment,, can unload hair clamping part 2 from the portion of holding with a firm grip 3, and can change hair clamping part 2 through unclamping screw.
Subsequently, like Fig. 4 and shown in Figure 5, mutual hold with a firm grip portion 31 and division clamping part 21 of integrated division, and hold with a firm grip portion 32 and division clamping part 22 of integrated division each other are configured to open and close mutually (each other near with separate).In other words, the base portion that divides the portion 31 of holding with a firm grip pivots each other with the base portion that divides the portion 32 of holding with a firm grip and is connected, and between them, accompanies the spring (not shown) simultaneously, thereby can be around rotatably moving as the pivot points P 2 of axis.Notice, promote the predetermined amount of spring along opening hold with a firm grip the direction of portion 31 and 32 of division, and two divisions of holding with a firm grip securely hold with a firm grip portion 31 and 32, close thereby divide body 21 and 22, thus can be betwixt with hair pin.
Each division housing 311 and 321 that portion 31 and 32 processed by the synthetic resin that forms its profile of holding with a firm grip covers, and as shown in Figure 5, and the lead-in wire that is connected to each heater 6 is accommodated in the inside of housing 311 and 321.
And as shown in Figure 3, power switch 7A and temperature change-over switch 7B are arranged on as this on one the housing 311 in the housing, and the conductive member 51 of locking switch 7C and charhing unit 5 is arranged on another housing 321.Power switch 7A is a kind of like this switch, and its opening/closing leads to all electricity components, i.e. heater 6, ion generation portion 4, charhing unit 5 and subsequently with the electric power of the electromotive force holding device of describing 10 etc.And temperature change-over switch 7B is the switch of the caloric value of switching heater 6, and locking switch 7C is the lock-out state of locking division clamping part 21 and 22 and the switch of this locking of release.Notice that though not shown, power line is connected to the terminal part (right part among Fig. 1) of the portion of holding with a firm grip 3.
And; In this embodiment; Extremely shown in Figure 4 like Fig. 2; Two ion generation portions 4 that produce ion are arranged on bulge 312A and 312B, and bulge 312A and 312B hold to hold with a firm grip one division in the portion of division that expansion forms to both sides for the top ends of housing 311 of portion 31 as this with a firm grip through making covering.Subsequently, one in two ion generation portions 4 forms the mist generation 4A of portion that produces mist, and another ion generation portion forms the tiny metallic generation 4B of portion that produces tiny metallic.Subsequently, the ion (mist and tiny metallic) that in mist generation 4A of portion and the tiny metallic generation 4B of portion, produces is respectively from emission ends 41A and 41B emission.
In this embodiment; When installing as the mist generation 4A of portion; Through adopting earth electrode as a reference, it will be applied to sparking electrode from the high voltage of circuit for producing high voltage, to cause discharge (corona discharge etc.); And convert condensed water to fine particle through discharge process, produce the mist (comprise anion and filled the mist of negative electricity) of ultrafine nano-scale thus.
Notice that as this mist generation 4A of portion, can adopt known mist generation portion, it comprises: the coldplate that constitutes by amber ear card device and member (for example, hardware etc.) with high-termal conductivity; And the radiator fin of the heat that produces during coldplate in cooling of radiation, wherein airborne moisture is condensate on the surface of coldplate by amber ear card device, and produces condensed water above that.
And; When device during as the tiny metallic generation 4B of portion; Through being reference with the earth electrode, it will be applied to sparking electrode from the high voltage of circuit for producing high voltage, to cause discharge (corona discharge etc.); And through discharge process, emission is from the tiny metallic (metallic molecule, ion etc.) of sparking electrode, earth electrode etc.
And; Can also use known device as the tiny metallic generation 4B of portion; And for example can be by transition metal simple substance (for example, gold, silver, copper, platinum, zinc, titanium, rhodium, palladium, iridium, ruthenium, osmium etc.) and alloy thereof, through electroplating the sparking electrode that member that transition metal forms etc. constitutes the tiny metallic generation 4B of portion.
Here, be included in the situation of the tiny metallic that in discharge cell, produces and launch from it, can produce antibacterial functions by said tiny metallic at gold, silver, copper, zinc etc.And, be included in the situation in the tiny metallic at platinum, zinc, titanium etc., can produce anti-oxidation function by said tiny metallic.Notice, find that the fine particle of platinum has extremely high anti-oxidation function.And the part of the tiny metallic of surface launching that do not allow from it of discharge cell (for example, earth electrode etc.) can be used formations such as stainless steel, tungsten.
And discharge cell can be to produce ion (for example, such as NO through discharge process
2 -, NO
3 -Deng and so on anion), and allow said ion and sparking electrode, earth electrode or comprise metal material or the mode of the collisions such as other member of hardware produces tiny metallic.In other words, earth electrode and above-mentioned other member can be made up of the material that comprises above-mentioned transition metal, and tiny metallic can be launched from it.
As stated, according to hair iron 1 emitting ions and the tiny metallic of this embodiment.Yet, when the electric charge of these ions and tiny metallic accumulates in the user and goes up, become very little to the possibility of user's emitting ions, final, the possibility of launching tiny metallic also becomes very little.In this, in the hair iron 1 according to this embodiment, be provided with charhing unit 5, it is to charge to the user with the opposite polarity polarity of the electric charge of the ion of generation in ion generation portion 4.
Charhing unit 5 comprises: the circuit (not shown); And conductive member 51, it is connected to said circuit through lead-in wire, and on the outer surface of the portion of holding with a firm grip 3, exposes.Subsequently; For example; The ion that in ion generation portion 4, produces is under the situation of negativity, makes electromotive force increase to the voltage source higher than the earth level of ion generation portion 4 (for example, battery, capacitor etc.) and is arranged in the said circuit; Conductive member 51 is connected to the positive electrode of voltage source through lead-in wire, and said conductive member 51 is set at the high electromotive force of earth level that has than ion generation portion 4 by predetermined voltage.Notice that the ion that in ion generation portion 4, produces is under the situation of positivity, only need conductive member 51 be set at the low electromotive force of earth level that has than ion generation portion 4.
And conductive member 51 is molded as reservation shape by conductive material (for example, comprising the synthetic resin material of conductor filled material etc.), and is fixed to the outer surface of the portion of holding with a firm grip 3.
As stated, be provided with charhing unit 5, and to charge to the user with the opposite polarity polarity of the electric charge of the ion of generation in ion generation portion 4.The electric charge that by this way, can be suppressed in the ion generation portion 4 ion that produces accumulates in the user and goes up, causes ion to become can not to arrive user's phenomenon.
Here; In this embodiment; As shown in Figure 5, as the hair clamping part 2 that is arranged in the member of placing outside the hair in use, be provided with electromotive force holding device 10; Be used to keep the electromotive force of the hair clamping part 2 of being correlated with, make electromotive force can be convenient to ion is sticked on the hair with respect to electric charge from the ion of ion generation portion 4 emissions.
In this embodiment, be provided with electromotive force holding device 10, thus the electromotive force of hair clamping part 2 be set at have with at electromotive force from the opposite polarity polarity of the electric charge of the ion of ion generation portion 4 emission.
And in this embodiment, through electromotive force holding device 10, the electromotive force of hair clamping part 2 remains has the electromotive force identical with the electromotive force of charhing unit 5.
As shown in Figure 5; Electromotive force holding device 10 is contained in as this hold with a firm grip division of one in the portion of division is held with a firm grip in the housing 311 of portion 31; And it is as shown in Figure 6; The connecting elements 101 of for example lead-in wire and so on of electromotive force holding device 10 and bus with as this division one division in the portion 2 portion 21 of holding with a firm grip of holding with a firm grip is interfixed by screw 8, screw 8 interconnects division clamping part 21 and the division retaining member 211 of portion 31 of holding with a firm grip as clamp structure.
Particularly; On being connected to, keep division clamping part 21 as the surperficial 211a of this maintenance to the base portion of one division clamping part 21 in the division clamping part; And belong to the retaining member 211 that is used for division clamping part 21 is fixed to division clamping part 31, form otch (or the step difference surface) 211b that wherein inserts connecting elements 101.Subsequently, connecting elements 101 is to insert otch 211b with division clamping part 21 state of contact, and these division clamping parts 201 are fastening each other by screw 8 with connecting elements 101, thereby electromotive force holding device 10 interconnects with hair clamping part 2.
The circuit unit (not shown) is formed in the electromotive force holding device 10, and voltage source (for example, battery, capacitor, diode etc.) is arranged in this circuit unit, thereby the electromotive force of hair clamping part 2 is remained on predetermined value.Particularly; With above-mentioned charhing unit 5 similar modes; The ion that in ion generation portion 4, produces is under the situation of negativity; The voltage source that electromotive force is increased to the earth level that is higher than ion generation portion 4 is arranged in the circuit unit, and hair clamping part 2 is connected to the positive electrode of voltage source through lead-in wire, and hair clamping part 2 is set to have the high electromotive force of earth level than ion generation portion 4 by predetermined voltage.Notice that the ion that in ion generation portion 4, produces is under the situation of positivity, diode is connected to voltage source with reversed polarity, thereby only need hair clamping part 2 be set in the electromotive force place than the low predetermined voltage of earth level.
This embodiment according to mentioned above is provided with electromotive force holding device 10, is used to keep the electromotive force of hair clamping part 2, makes electromotive force can have and opposite polarity polarity from the electric charge of the ion of ion generation portion 4 emission.Therefore, hair clamping part 2 can be by having and charge charging from the opposite polarity polarity of the electric charge of the ion of ion generation portion 4 emission.Therefore, the ion from 4 emissions of ion generation portion can be attracted to hair clamping part 2.
And electromotive force holding device 10 is set to the electromotive force of hair clamping part 2 is remained predetermined value, thereby the electric charge that adheres to ion and the hair clamping part 2 of hair clamping part 2 can be neutralized when using hair iron 1.
And through electromotive force holding device 10, the electromotive force of hair clamping part 2 remains and the opposite electromotive force of electromotive force from the electric charge of the ion of ion generation portion 4 emission.Therefore, even use hair iron 1 continuously, can suppress hair clamping part 2 and charged with the polarity identical with the polarity of the ion of launching from ion generation portion 4.Therefore, can suppress to be ostracised, and ion can adhere on the hair continuously from the ion of ion generation portion 4 emissions.
As stated, according to this embodiment, ion can more effectively adhere on the hair.
And, in this embodiment, be provided with charhing unit 5, and the user by with the opposite polarity polarity charging of the electric charge of the ion that in ion generation portion 4, produces.Therefore, the become electric charge that can further be suppressed in the ion generation portion 4 ion that produces accumulates in the user and goes up, causes ion to become can not to arrive user's phenomenon.
In addition, electromotive force holding device 10 keeps the electromotive force of hair clamping part 2, makes said electromotive force can be the electromotive force identical with the electromotive force of charhing unit 5.Therefore; The electromotive force of hair clamping part 2 becomes and the user of contact charging unit 5, the i.e. identical electromotive force of the electromotive force of this user's hair; And becoming can be suppressed between hair and the hair clamping part 2 electrical potential difference occurs, and can be continuously with from the ion radiation more stably of ion generation portion emission on hair.By this way, the ion from the emission of ion generation portion can more effectively adhere on the hair.
And according to this embodiment, hair clamping part 2 is made up of following parts: this is to half round post division clamping part 21 and 22, its through freedom each other near with separate to come the clamping hair; With pressing plate 23, its through freedom near with leave as one outer circumference surface and the clamping hair of these divisions in the clamping part 21 and 22.Therefore; Hair is being heated during to division clamping part 21 and 22 clampings by this, thereby can make hair have straight moulding, and in addition; Hair pin is held in as this between one the division clamping part 21 and pressing plate 23 of division in the clamping part, thereby can make hair have curling moulding.As stated, according to this embodiment, straight moulding and curling moulding can be realized by a hair iron 1.
At this moment, the mist and the tiny metallic that produce at mist generation 4A of portion and the tiny metallic generation 4B of portion as ion generation portion 4 stick on the hair by 2 moulding of hair clamping part.Therefore, become and to make the part that comprises its top ends of hair level and smooth with moist mode.And, can obtain antibacterial functions and anti-oxidation function by tiny metallic.
And according to this embodiment, this is formed by the metal as conductive material division clamping part 21 and 22.Therefore, can be convenient to remove the ion that adheres on the hair clamping part 2.By this way, the mist and the tiny metallic that in mist generation 4A of portion and the tiny metallic generation 4B of portion, produce can be effectively adhered on the hair.Notice that in this case, any one in the division clamping part 21 and 22 only need be formed by conductive material.
And; In this embodiment; Electromotive force holding device 10 is contained in as this hold with a firm grip division of one in the portion of division is held with a firm grip in the housing 311 of portion 31; And the connecting elements 101 of electromotive force holding device 10 and division one division in the portion portion 21 of holding with a firm grip of holding with a firm grip is interfixed by screw 8 as this, screw 8 interconnect division clamping part 21 and the division retaining member 211 of portion 31 of holding with a firm grip.Therefore, be used for electromotive force holding device 10 and hair clamping part 2 be connected work and assembly working can be simplified more.
(second embodiment)
Basically have and the similar structure of hair iron 1 structure according to the hair iron 1A of this embodiment according to above-mentioned first embodiment.Hair iron 1A comprises hair clamping part 2 and holds portion 3 with a firm grip, and in hair iron 1A, is provided with ion generation portion 4 and charhing unit 5.
,, be not arranged on the pressing plate 23 shown in above-mentioned first embodiment here, and hair clamping part 2 only is made up of division clamping part 21 and 22 according to the hair iron 1A of this embodiment and different being very big according to the hair iron 1 of above-mentioned first embodiment.Therefore, only be provided with according to the hair iron 1A of this embodiment and make hair have the function of straight moulding.And the division clamping part 21 and 22 that constitutes hair clamping part 2 has the plane section shape, greatly to guarantee to be used for the clamping surface of hair.
Subsequently; Also in this embodiment; Mist generation 4A of portion and the tiny metallic generation 4B of portion are arranged among bulge 312A and the 312B; Bulge 312A and 312B are arranged on covering and as this hold with a firm grip division of one in the portion of division are held with a firm grip on the both sides of top ends of housing 311 of portion 31, and the ion (mist and tiny metallic) that in mist generation 4A of portion and the tiny metallic generation 4B of portion, produces is respectively from emission ends 41A and 41B emission.
And, as this to one housing 311 in the housing on, be provided with power switch 7A and temperature change-over switch 7B; Yet, on another housing 321, only be provided with conductive member 51, and be not arranged on the locking switch 7C shown in above-mentioned first embodiment.Notice, also locking switch 7C can be set in this embodiment.
And; In division clamping part 21 and 22 according to this embodiment; Only the apparent surface of its clamping hair need be heated; And be merely smooth apparent surface and form, and the outside of division clamping part 21 and 22 covers the lid of being processed by synthetic resin 212 and 222 by metal with high-termal conductivity.Subsequently, these lids 212 and 222 are connected to housing 311 and 312, with its extension.
Here; Also in hair iron 1A according to this embodiment; With the same in above-mentioned first embodiment,, be provided with electromotive force holding device 10 as the hair clamping part 2 that is arranged in the member of placing outside the hair in use; Be used to keep the electromotive force of said hair clamping part 2, make electromotive force can be convenient to ion is sticked to (with reference to Figure 11) on the hair with respect to the electric charge of the ion of launching from ion generation portion 4.And; Be provided with electromotive force holding device 10; Thereby the electromotive force of hair clamping part 2 is set to have and electromotive force from the opposite polarity polarity of the electric charge of the ion of ion generation portion 4 emissions; And in addition, through electromotive force holding device 10, the electromotive force of hair clamping part 2 remains the electromotive force identical with the electromotive force of charhing unit 5.
Also, can bring into play function and the substantially similar function and effective effect of effective effect with above-mentioned first embodiment through this embodiment.
Incidentally; About at hair iron 1 and the 1A shown in above-mentioned first and second embodiments; They are illustrated as; In therein each, electromotive force holding device 10 is connected to hair clamping part 2, make hair clamping part 2 electromotive force can for the opposite electromotive force of electromotive force from the electric charge of the ion of ion generation portion 4 emission; Yet also feasible is the device that adopts hereinafter to describe, and to keep the electromotive force of hair clamping part 2, makes electromotive force be convenient to adhere on the hair from the ion of ion generation portion 4 emissions with respect to the electric charge of relevant ions.
At first; Have the situation of identical polarity at the electromotive force of hair clamping part 2 with from the electric charge of the ion of ion generation portion 4 emissions, electromotive force holding device 10 can be set to electromotive force with hair clamping part 2 and remain the level that is lower than from the electromotive force of the ion of ion generation portion 4 emissions.At this moment, being fit to electromotive force with hair clamping part 2 reduces and sends out to the end that clamping part 2 attracts each other with ion and the degree do not repelled.
By this way, owing to, make ion become and to be attracted to hair clamping part 2 in hair clamping part 2 and electrical potential difference from occurring between the ion of ion generation portion 4 emissions.Therefore; Even in the polarity of the electromotive force of hair clamping part 2 with from the identical situation of the polarity of the electric charge of the ion of ion generation portion 4 emissions; Also can suppress to repel by hair clamping part 2, and become and can ion be effectively adhered on the hair from the ion of ion generation portion 4 emissions.
Next, electromotive force holding device 10 can be set to the electromotive force of hair clamping part 2 is remained the electromotive force identical with ground potential.Particularly, electromotive force holding device 10 can be set to make the electromotive force of hair clamping part 2 can be 0V through hair clamping part 2 being connected to earth connection.
By this way, when using hair iron 1, the ion that adheres to hair flows to earth connection.Therefore, the electromotive force of hair clamping part 2 remains 0V.Subsequently, can suppress to be held portion 2 by hair pin and repel, and become and can ion be effectively adhered on the hair from the ion of ion generation portion 4 emissions.
And the electromotive force of hair clamping part 2 can remain on the identical electromotive force place of 3 electromotive forces with the portion of holding with a firm grip.
By this way, the electromotive force of hair clamping part 2 can remain on the electromotive force place identical with the electromotive force of the portion of holding with a firm grip 3.Therefore, it is identical with user's's (i.e. hair of this user) of the portion 3 of having held with a firm grip electromotive force that the electromotive force of hair clamping part 2 becomes, and from the ion of ion generation portion 4 emissions more stably continuous radiation on hair.By this way, the ion from the emission of ion generation portion can more effectively adhere on the hair.
Notice that the also feasible electromotive force with charhing unit 5 remains on above-mentioned electromotive force place.And, can set each electromotive force of hair clamping part 2 and charhing unit 5 suitably.
Preceding text have been described preferred implementation of the present invention; Yet, the invention is not restricted to above-mentioned embodiment, and can make amendment in many ways.
For example, even in adopting such as the situation of the hair iron that is mainly used in the hair iron in the curly headed situation, also can realize the present invention, this hair iron comprises makes hair have the hair clamping part of this moulding, and ion generation portion can be set therein.
And, in the above-described embodiment each, illustrated a kind of situation, promptly its electric charge just perhaps is or is that negative ion is launched from ion generation portion; Yet, two ion generation portions can be set switching, one is used to produce anion, and another is used to produce cation.
By this way; At hair iron mainly in the situation with anion emission to hair; At anion when continuously the adhesive capacity of emission and anion is reduced owing to hair fills anion from ion generation portion; Cation is launched from ion generation portion temporarily, thereby this of hair can be neutralized by the saturated electrostatic charge of said ion.Subsequently, the ion of launching from ion generation portion is switched to anion at this, can effectively anion be adhered on the hair thereby become.
And, the situation that two ion generation portions are set all has been described in the above-described embodiment each; Yet, the invention is not restricted to this, and one or three or more a plurality of ion generation portion can be set.
And; Though mist generation portion and tiny metallic generation portion through discharge generation mist and tiny metallic all have been described in the above-described embodiment each; But the steam through the heating water generates steam produces mechanism and can be installed as mist generation portion, and can be installed as tiny metallic generation portion through the metallic solution atomising mechanism that atomization metal solution produces tiny metallic.
And, also can change the hair clamping part rightly and the specification (shape, size and layout etc.) of hold with a firm grip portion, voltage source and other structure.