CN107994630A - A kind of charger with dismountable pin and button bit formula protection cap - Google Patents

A kind of charger with dismountable pin and button bit formula protection cap Download PDF

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Publication number
CN107994630A
CN107994630A CN201711205031.0A CN201711205031A CN107994630A CN 107994630 A CN107994630 A CN 107994630A CN 201711205031 A CN201711205031 A CN 201711205031A CN 107994630 A CN107994630 A CN 107994630A
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CN
China
Prior art keywords
button bit
cover
bottom cover
charger
plastic pins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711205031.0A
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Chinese (zh)
Other versions
CN107994630B (en
Inventor
甘伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Tian Lei Electronics Co Ltd
Original Assignee
Zhongshan Tian Lei Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Tian Lei Electronics Co Ltd filed Critical Zhongshan Tian Lei Electronics Co Ltd
Priority to CN201711205031.0A priority Critical patent/CN107994630B/en
Publication of CN107994630A publication Critical patent/CN107994630A/en
Application granted granted Critical
Publication of CN107994630B publication Critical patent/CN107994630B/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of charger with dismountable pin and button bit formula protection cap.The plastic pins that dismountable activity provided by the invention coordinates can dismount at any time as needed, be hardly damaged, control of having good positioning, is not easy to loosen；And the charger is small, packaging occupies little space, and it is convenient that user stores, easy to carry；In addition, by setting buckling position hole and button bit on integrally formed cover and integrally formed bottom cover, having cast aside charger case in the prior art, production process is few, and production efficiency is high using together with screwing technique and ultrasonic technique by upper and lower covers and being assembled to, realizing；And assembling simple and fast is stablized；Assembling cannot be opened, and ensure that the personal safety of user；Product more minimizes so that product appearance is more beautiful.

Description

A kind of charger with dismountable pin and button bit formula protection cap
Technical field
The present invention relates to charger technologies field, more particularly to it is a kind of with dismountable pin and button bit formula protection cap Charger.
Background technology
With the continuous development of electronic technology, charger, which increasingly becomes, to be commonly used indispensable day in people's daily life Product.
Existing E grades of pin has two kinds：A kind of E grades of pin is fixed, and another E grades of pin is movable.Either Fixed E level pins or the E level pins of activity, due to having to meet Britain's safety standard, can all cause charger case Volume it is larger, it is not readily portable.Secondly, fixed E level pins are crushed easily and damaged；Fixed E level pins, due to E Level pin and shell are integrally formed, if E grades of pins are made solid contact pin occurs shrink, if E grades of pins are made Hollow contact pin, occurs bending or is broken when being easy to cause shell injection, and production loss is big.The E level pins of activity are being withdrawn During with pulling out, bad control is positioned, pin easily loosens, and is fixed in addition, being pressed in using shrapnel and screw and being realized on E grades of pins, Add production material and cost of labor.
In addition, existing charger case generally realizes being fixedly connected for upper and lower covers by two techniques, first, screwing Technique：By the upper and lower covers of product, after being assembled together, the spiral shell of another shell is squeezed into after passing through one of shell with screw In silk column.Second, ultrasonic technique：A small ultrasonic glue position is left in the upper and lower covers of product, using high frequency friction, and mould Have the effect being pressed downward, make its upper and lower covers plastic rubber welding together.
Inventor has found that the technique for fixing of the shell of existing charger is asked there are following during this patent is realized Topic, on the one hand, the technique that screws needs manually to take screw, by electric screwdriver, screws, causes low production efficiency；And when the torsion of electric screwdriver When power is excessive, screw easily skids and perforates；Since charger internal needs to increase the fixation pillar of two or more screws, lead Cause the space of charger bigger, influence appearance looks elegant；Again since charger internal is high pressure, screw is dismantled and assembled, it is easy to sends out It is raw to get an electric shock；On the other hand, secondary melt is carried out elsewhere, it is necessary to be moved to after exterior and interior cover is installed by ultrasonic technique Connect, in fusion process, since ultrasonic fusing has wild effect, it is big to there is loss；Again since the welding is high frequency welding, High frequency welding sound is sharp, and production environment noise is big, and has serious injury to the hearing of ultrasonic operation person.
The content of the invention
The object of the present invention is to provide a kind of charger with dismountable pin and button bit formula protection cap, solve existing Some chargers existing problems in terms of pin and button bit.
To solve the above problems, the present invention's provides a kind of charging with dismountable pin and button bit formula protection cap Device, including：
Lid and the plastic pins coordinated with it in dismountable activity；
Lid includes：Integrally formed cover and integrally formed bottom cover；Wherein, set along the circumferencial direction at cover edge There are multiple buckling position holes；The circumferencial direction at bottom cover edge is provided with multiple button bits being mutually clamped with buckling position hole, wherein, each button bit A corresponding buckling position hole；
It is provided with bottom cover and matched first jack of plastic pins, the both sides of jack is provided with two protrusions, plastics On pin groove, the raised disassembly and installation that plastic pins are realized with fit depressions are formed with this raised corresponding position.
Further, plastic pins include U-shaped connecting portion and with the vertically disposed pin part of U-shaped connecting portion, U-shaped connecting portion Form U-shaped structure, U-shaped connecting portion is recessed the two recessed of formation and male cooperation respectively inwards by two outer circumferential areas of close end Groove.
Further, groove type camber end face or trapezoidal end faces.
Further, raised end forms curved end or trapezoidal end faces.
Further, the corresponding position of the lid of the first jack face is provided with limiting section, and limiting section forms T-shaped knot Structure.
Further, the shape of cross section of button bit substantially right angled triangle or right-angled trapezium, is provided with for two on bottom cover The second jack that a English rule pin passes through, cover and bottom cover are made of plastics.
Further, the multiple limited support portions set along cover sidewall edge are further included, are set at least at each button bit One limited support portion coordinated with the button bit, the upper end in the limited support portion form a support radian.
Further, during clamping, the bottom cover edge is in external force and the button bit and the clamping in the limited support portion Moved under active force so that the buckling position hole on the bottom cover and the button bit on the cover are close, most the button bit at last It is connected in the buckling position hole.
Further, the vertical charging circuit board being arranged between cover and bottom cover, the charging circuit board shape are further included Into the USB interface for external equipment charging.
Further, USB jack corresponding with the USB interface is provided with the cover.
The present invention provides a kind of charger with dismountable pin and button bit formula protection cap, on the one hand by moulding Expect to set groove on the U-shaped connecting portion of pin and corresponding raised and limiting section is set on the first jack, solve existing Movable E grades of pins position bad control, E grade pins easily loosen and are pressed on E grade pins realization admittedly using shrapnel and screw The problem of determining, adding production material and cost of labor；On the other hand by being provided with the U-shaped with moldable pin on lid Matched first jack of connecting portion realizes plastic pins replaceable, solves fixed piece on earpiece and crushes easily and shrink Or fracture causes production that the problem of big is lost；In addition, detained by being set on integrally formed cover and integrally formed bottom cover Position hole and button bit, cast aside in the prior art charger case using screwing technique and upper and lower covers are assembled to by ultrasonic technique Together, it is few to realize production process, production efficiency is high；And assembling simple and fast is stablized；Assembling cannot dismantle, and ensure that use The personal safety at family；Product more minimizes so that product appearance is more beautiful.
Brief description of the drawings
Fig. 1 is the structure diagram for the 10 unassembled completion of lid that first embodiment of the invention provides；
Fig. 2 is that the plastic pins 20 that first embodiment of the invention provides complete the A-A profiles after assembling with lid 10；
Fig. 3 is the structure diagram for the plastic pins 20 that second embodiment of the invention provides；
Fig. 4 is that plastic pins 20 provided by the invention assemble schematic diagram with lid 10；
Fig. 5 is the B-B profiles of Fig. 2；
Fig. 6 is the C-C profiles of Fig. 2.
Reference numeral：
10：Lid；11：Cover；111：Button bit；112：USB jack；113：Limited support portion；12：Bottom cover；121：Button bit Hole；122：First jack；123：Second jack；124：It is raised；125：Limiting section；13：Charging circuit board；131：USB interface； 20：Plastic pins；21：U-shaped connecting portion；211：Groove；22：Pin part.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid this is unnecessarily obscured The concept of invention.
Fig. 1 is the structure diagram for the 10 unassembled completion of lid that first embodiment of the invention provides；
Fig. 2 is that the plastic pins 20 that first embodiment of the invention provides complete the profile after assembling with lid 10；
One aspect of the present invention provides a kind of charger with dismountable pin and button bit formula protection cap, the charger Including：
As shown in Figure 1, 2, lid 10 and the plastic pins 20 coordinated with it in dismountable activity；
As shown in Figure 1, lid 10 includes：Integrally formed cover 11 and integrally formed bottom cover 12；Integrally formed face Lid 11, multiple button bits 111 are provided with along the circumferencial direction at 11 edge of cover；It is provided with along the circumferencial direction at 12 edge of bottom cover multiple The buckling position hole 121 being clamped with 111 phase of button bit, wherein, each button bit 111 corresponds to a buckling position hole 121.Specifically, in external force Under effect, cover 11 is clamped with button bit 111 by buckling position hole 121 with bottom cover 12 and combined closely to realize.The present invention uses button bit Buckling position hole is fastened, relative to traditional screw technique for fixing and plastic ultrasonic welding procedure, reduces production process, is improved Production efficiency, reduces unnecessary material and equipment, reduces production cost；Assembling is simple, quick, stable, and user is not It can dismantle, ensure that the personal safety of user；Assembly space is reduced, product is more minimized；Production will not produce noise； Reduce unnecessary screw hole so that product appearance is more graceful.
As shown in Figure 1, 2, it is provided with bottom cover 12 and matched first jack 122 of plastic pins 20, the first jack 122 Both sides be provided with two protrusions 124, form groove 211, protrusion 124 with this raised 124 corresponding position in plastic pins 20 It is engaged with groove 211 and realizes changeing for plastic pins 20.
As shown in Fig. 2, in one embodiment, the corresponding position setting of the lid 10 of 122 face of the first jack is limited Position portion 125, limiting section 125 form T-shaped structure.The limiting section 125 is realized during assembling to control for plastic pins 20 with lid 10 The position of plastic pins 20 processed.
Fig. 3 is the structure diagram for the plastic pins that second embodiment of the invention provides；
Fig. 4 is that plastic pins 20 provided by the invention assemble schematic diagram with lid 10.
As shown in Figure 3,4, it is preferable that plastic pins 20 include U-shaped connecting portion 21 and vertically disposed with U-shaped connecting portion 21 Pin part 22, U-shaped connecting portion 21 form U-shaped structure, and U-shaped connecting portion 21 is recessed respectively inwards by two outer circumferential areas of close end Fall into two grooves 211 for being formed and being coordinated with protrusion 124.
As shown in figure 3, changeing in order to facilitate plastic pins, it is preferred that groove 211 forms curved end or trapezoidal end Face.Preferably, the end of protrusion 124 forms curved end or trapezoidal end faces.
In one embodiment, the second jack 123 passed through for two English rule pins 140 is provided with bottom cover 12.
In one embodiment, cover 11 and bottom cover 12 are made of plastics.Cover 11 adopted with bottom cover 14 it is made of plastic, Light and anti-high pressure, is not easy to break into pieces, is convenient for carrying.
Fig. 5 is the B-B profiles of Fig. 2.
Preferably, button bit as shown in Figure 5, the cross section of the button bit 111 are generally shaped like right angled triangle or right angle It is trapezoidal.Preferably, 121 buckling position holes as shown in Fig. 1 right figures, the shape of the cross section of the buckling position hole 121 is rectangle.
As shown in Figure 1, in one embodiment, further include the multiple limited support portions set along 11 sidewall edge of cover 113, at least one limited support portion 113 coordinated with button bit 111 is set at each button bit 111.The upper end in limited support portion 113 Form a support radian.During clamping, 12 edge of bottom cover is in external force and button bit 111 and the clamping force in limited support portion 113 Lower movement so that the buckling position hole 121 on bottom cover 12 and the button bit 111 on cover 11 are close, and most button bit 111 is connected to button bit at last In hole 121.
Fig. 6 is the C-C profiles of Fig. 2.
As shown in fig. 6, in one embodiment, further include the vertical charging circuit being arranged between cover 11 and bottom cover 12 Plate 13, charging circuit board 13 are used to provide the usb 1 31 to charge for external equipment, are provided with cover 11 and USB interface 131 corresponding USB jacks 112, charging circuit board 13 are used for the realization energization that powers on.
As shown in Figure 4,5, 6, how to realize that plastic pins 20 and the Assembly And Disassembly of lid 10 work to the present invention below Principle illustrate：
When plastic pins 20, which will insert lid 10, to charge, in the case where artificially applying external force, plastic pins 20 can be subject to the The stop of one jack, the 122 inner each protrusion 124 in left and right.When external force continues to increase, 21 liang of the U-shaped connecting portion of plastic pins 20 Side will be drawn close to centre, and plastic pins 20 continue to walk to the inside of the first jack 122, when the U-shaped connecting portion in plastic pins 20 The groove 211 of 21 the right and lefts and first jack of the inside of bottom cover 12,122 two protrusions 124 in inner left and right of lid 10 cooperate When, plastic pins 20 realize that connection is fixed with lid 10, and assembling is completed.
Need not charge want to pull out plastic pins 20 when, under external force, the connection of the U-shapeds of plastic pins 20 21 both sides of portion will be drawn close to centre；When 21 both sides of U-shaped connecting portion of plastic pins 20 pass through two protrusions in the first jack 122 After 124, plastic pins 20 can easily be taken out.
The clamping principle of button bit formula protection cap is done below and is introduced in detail：
Under the effect of artificial external force, the buckling position hole 121 for the bottom cover 12 that linked closely by the button bit 111 of cover 11, button bit 111 is in external force Under the action of it is close to buckling position hole 121, last button bit 111 is caught in buckling position hole 121, at this time cover 11 with bottom cover 12 consolidating tightly It is scheduled on together.
It is contemplated that a kind of charger with dismountable pin and button bit formula protection cap of protection, by lid Be provided with and matched first jack of plastic pins, the both sides of the first jack be provided with two protrusions, in plastic pins with this Raised corresponding position forms groove, the raised disassembly and installation that plastic pins are realized with fit depressions；The dismountable work The dynamic plastic pins coordinated are not easy to damage damage by pressure, are less prone to shrink or fracture, are not easy to loosen, can dismount at any time as needed, And the charger with dismountable pin is small, packaging occupies little space, and user stores convenient, easy to carry.This Outside, by setting buckling position hole and button bit on integrally formed cover and integrally formed bottom cover, cast aside and filled in the prior art Electric appliance casing utilizes few, the production that together with screwing technique and ultrasonic technique by upper and lower covers and being assembled to, realizes production process It is efficient；And assembling simple and fast is stablized；Assembling cannot dismantle, and ensure that the personal safety of user；Product more minimizes, So that product appearance is more beautiful.
The principle of the present invention is explained, without being construed as limiting the invention.Therefore, in the spirit and model without departing from the present invention Any modification, equivalent substitution, improvement and etc. done in the case of enclosing, should all be included in the protection scope of the present invention.In addition, Appended claims of the present invention are intended to fall into being equal for scope and border or this scope and border Whole in form changes and modifications example.

Claims (10)

  1. A kind of 1. charger with dismountable pin and button bit formula protection cap, it is characterised in that including：
    Lid and the plastic pins coordinated with it in dismountable activity；
    The lid includes：Integrally formed cover and integrally formed bottom cover；Wherein, along the circumferencial direction at the cover edge It is provided with multiple buckling position holes；The circumferencial direction at the bottom cover edge is provided with multiple button bits being mutually clamped with the buckling position hole, Wherein, each button bit corresponds to a buckling position hole；
    It is provided with the bottom cover and matched first jack of the plastic pins, the both sides of first jack is provided with two A protrusion, forms groove in the plastic pins with raised corresponding position this described, described raised with the fit depressions Realize the disassembly and installation of the plastic pins.
  2. 2. charger according to claim 1, it is characterised in that the plastic pins include U-shaped connecting portion and with the U The vertically disposed pin part of shape connecting portion, the U-shaped connecting portion form U-shaped structure, and the U-shaped connecting portion depends on two of close end Outer circumferential area is recessed to be formed and raised two grooves to match respectively inwards.
  3. 3. according to claim 1-2 any one of them chargers, it is characterised in that the groove type camber end face or trapezoidal End face.
  4. 4. charger according to claim 3, it is characterised in that the raised end forms curved end or trapezoidal end Face.
  5. 5. according to claim 1-2,4 any one of them chargers, it is characterised in that the lid of the first jack face Corresponding position is provided with limiting section, and the limiting section forms T-shaped structure.
  6. 6. charger according to claim 1, it is characterised in that the cross section of the button bit is generally shaped like right angle three Angular or right-angled trapezium, the second jack passed through for two English rule pins is provided with the bottom cover, the cover and bottom cover are equal It is made of plastics.
  7. 7. charger according to claim 1, it is characterised in that further include along the multiple of cover sidewall edge setting Limited support portion, at least one limited support portion coordinated with the button bit is set at each button bit, the limited support portion Upper end forms a support radian.
  8. 8. charger according to claim 7, it is characterised in that during clamping, the bottom cover edge is in external force and described Button bit under the clamping force in the limited support portion with moving so that the buckling position hole on the bottom cover and the institute on the cover It is close to state button bit, most the button bit is connected in the buckling position hole at last.
  9. 9. according to claim 1-2,4,6-8 any one of them chargers, it is characterised in that further include described in vertical be arranged at Charging circuit board between cover and the bottom cover, the charging circuit board form the USB interface for external equipment charging.
  10. 10. charger according to claim 9, it is characterised in that be provided with the cover corresponding with the USB interface USB jack.
CN201711205031.0A 2017-11-27 2017-11-27 Charger with detachable plug pins and fastening protective cover Active CN107994630B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711205031.0A CN107994630B (en) 2017-11-27 2017-11-27 Charger with detachable plug pins and fastening protective cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711205031.0A CN107994630B (en) 2017-11-27 2017-11-27 Charger with detachable plug pins and fastening protective cover

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Publication Number Publication Date
CN107994630A true CN107994630A (en) 2018-05-04
CN107994630B CN107994630B (en) 2020-10-16

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CN201711205031.0A Active CN107994630B (en) 2017-11-27 2017-11-27 Charger with detachable plug pins and fastening protective cover

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511074A (en) * 2018-12-19 2019-03-22 歌尔股份有限公司 Electronic product booting test equipment
CN111864494A (en) * 2020-08-25 2020-10-30 湖南炬神电子有限公司 Conversion plug-in assembly and charging device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1198845A (en) * 1995-08-29 1998-11-11 先进流动溶液股份有限公司 Universally interchangeable and modular power supply with integrated battery charger
CN202695782U (en) * 2012-07-16 2013-01-23 上杭祥辉电子有限公司 British calibration plug housing
CN203589268U (en) * 2013-07-23 2014-05-07 庄敬斌 Telescopic plug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1198845A (en) * 1995-08-29 1998-11-11 先进流动溶液股份有限公司 Universally interchangeable and modular power supply with integrated battery charger
CN202695782U (en) * 2012-07-16 2013-01-23 上杭祥辉电子有限公司 British calibration plug housing
CN203589268U (en) * 2013-07-23 2014-05-07 庄敬斌 Telescopic plug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511074A (en) * 2018-12-19 2019-03-22 歌尔股份有限公司 Electronic product booting test equipment
CN109511074B (en) * 2018-12-19 2020-09-01 歌尔股份有限公司 Electronic product start-up test equipment
CN111864494A (en) * 2020-08-25 2020-10-30 湖南炬神电子有限公司 Conversion plug-in assembly and charging device

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