CN103022812A

CN103022812A - Plug with unplugging assisting function

Info

Publication number: CN103022812A
Application number: CN201210590750XA
Authority: CN
Inventors: 赵福林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-15
Filing date: 2012-12-31
Publication date: 2013-04-03
Anticipated expiration: 2032-12-31
Also published as: CN103022812B

Abstract

A plug with an unplugging assisting function comprises a plug body and conductive terminals. A button assembly, two transmission parts and a pushing portion are arranged on the plug body. The button assembly comprises two buttons and a spring, the buttons are symmetrically arranged on two sides of the plug body, the spring is arranged between the upper ends of the two buttons, and the lower end of each button is of sectorial gear structures. Each transmission part is a transmission gear set comprising a gearwheel and a pinion transmitting coaxially, the two transmission parts are respectively correspondingly arranged at the lower ends of the two buttons and are respectively mounted on the plug body through a positioning shaft, sectorial gear structures of the lower ends of the buttons are meshed with the pinions of the corresponding transmission gear sets. The pushing portion is mounted on the outer side of the front end of the plug body and forms a sliding matching relation with the plug body through the outer side and the inner side as well as a guide groove and a guide rack, the inner wall of the pushing portion is provided with a rack structure which is longitudinally disposed and is meshed with the gearwheel of the transmission gear set at the corresponding position, the pushing portion is driven to move back and forth along the plug body by rotation of the gearwheel, the front end of the pushing portion contacts with the surface of a socket. The plug with the unplugging assisting function has the advantages of convenience, quickness, labor saving and safety in unplugging.

Description

A kind of unplugg that helps

Technical field:

The present invention relates to a kind of power supply or Charger (portable round), particularly a kind of safety helps power supply or the Charger (portable round) that pulls out.

Background technology:

The plug of power supply or charger and socket are widely used in the every field such as industry, agricultural, commerce, family, are requisite devices in the modern life and the work.But in plug and the common process of using of socket, also exist the wretched insufficiency part to be:

1, some sockets are because the material of metal spring leaf is bad or elastic force is not enough, the metallic conduction terminal of plug can not be clamped, easily cause virtual connection to touch phenomenon, cause the contact point heating between the plug and socket when using high-power electric appliance equipment, burn out connect dead, a lot of manufacturers have overcome above-mentioned weak point by technological innovation and process improving, but the problem that thereupon occurs is, when the plug of close contact and the electric equipment of socket are finished using, but very painstaking when pulling up its attaching plug, particularly some old man and Ms just pull out motionless this plug at all.If sometimes overexert, be prone to and plug is pulled out from wall with socket and cause the danger of electric shock; Or easily generation loses the situation that center of gravity is fallen down backward after plug is extracted.

2, when plug when mobile socket is combined, pull up on the other hand fixed socket unplugg on the other hand of its plug, particularly be in foundation or a lower time also needs both hands to bend over to operate gruellingly when the position of mobile socket, can not one-handed performance, very inconvenient.

3, in some cases, when plug is extracted the position of putting forth effort that a half need stop to change finger and plug temporarily, of short duration stopping this moment making plug cap conductive terminal still outside charged being exposed to, and finger and conducting terminal easily occurs indirectly or the danger of direct electric shock.

Summary of the invention:

The object of the invention is to the deficiency for the prior art existence, the unplugg that helps of a kind of power supply or charger is provided, convenient, fast when plug is extracted, laborsaving, and safety.

To achieve these goals, technical scheme of the present invention is as follows:

A kind of unplugg that helps, it comprises header body, conducting terminal, described conducting terminal is picked out by the front end of header body, also is provided with button assembly, drive disk assembly and pushing part on the header body.

Described button assembly comprises two buttons and spring, and described two buttons arrange in the header body bilateral symmetry, are articulated on the header body, are laborsaving lever construction.It is between the force side that spring is arranged on two button upper ends, plays the button reset response, and the lower end of described two buttons namely acts on end and is the sector structure.

Described drive disk assembly is the driving gear set that is made of the gear wheel of coaxial rotation and pinion, respectively arrange one corresponding to each button lower end, be installed on the header body sector of described button lower end and the pinion of corresponding driving gear set by locating shaft.

Described pushing part is installed in the header body front end outside, form slip cooperating relationship with header body by lateral surface and medial surface, gathering sill and gib block structure, described pushing part inwall has the rack structure of vertical layout, gear wheel engagement with the driving gear set of correspondence position, drive it by the rotation of gear wheel and move forward and backward along header body, the front end of pushing part and receptacle face are conflicted.

The present invention adopts laborsaving lever principle, the power that will act on button is first amplified through leverage, then carries out the second level apart from amplification by transmission mechanism, is converted at last thrust and displacement to the pushing part, by the front end pushing tow receptacle face of pushing part, thereby pull up like a cork plug.

In sum, this invention has following advantage:

1, the horizontal movement of button is converted to the axial motion of pushing part in the time of will pointing unplugg, meets ergonomics and has satisfied the function needs of product.

2, only need to apply a less anglec of rotation at button, the pushing part just can obtain larger promotion amount socket is pushed away fully, has realized one-handed performance, and solution has been emitted another hand, and the possibility of also having avoided another hand to get an electric shock.

3, header body be symmetrically arranged two the cover identical mechanism act on simultaneously the pushing part, with the finger press simultaneously about two buttons, the effect that takes full advantage of power is this mutual characteristic, drive two cover mechanisms with single strength doubly, thereby the pushing part obtains double power, plays the labour-saving effect; Because having adopted the lever button, power arm has played power-saving function again greater than resistance arm again.

4, in the transients that pulls the plug out of the socket, the pushing part is being shrouded charged exposed conducting terminal fully, plays a very good protection, and has avoided the danger of getting an electric shock.

Description of drawings

Fig. 1 is the structural representation (not extracting state) of attaching plug;

Fig. 2 is the structural representation (extracting state) of attaching plug;

Fig. 3 is the stripped exploded view of attaching plug;

Fig. 4 A and Fig. 4 B are the structural representations of button;

Fig. 5 A, Fig. 5 B, Fig. 5 C are the structural representations of drive disk assembly;

Fig. 6 is the structural representation of the pushing part of thimble structure;

Fig. 7 is the structural representation that promotes the block structured pushing part;

Fig. 8 A, Fig. 8 B, Fig. 8 C, Fig. 8 D are with thimble structure, promote the structural representation of the header body that the block structured pushing part cooperates;

Fig. 9 is the operation principle schematic diagram of attaching plug;

Figure 10 is the structural representation of charger.

Embodiment

Describe specific implementation form of the present invention in detail below in conjunction with accompanying drawing:

Referring to Fig. 1, Fig. 2, Fig. 3, attaching plug comprises header body 4, conducting terminal 9, button assembly 6 and 3, drive disk assembly 7 and pushing part 10.Described conducting terminal is picked out by the front end of header body, and conducting terminal can be two-phase, three-phase, and shape is round end, homalocephalus or both combinations.

In conjunction with Fig. 3, Fig. 4 A and Fig. 4 B, button assembly comprises two buttons 6 and a spring 3, two buttons are in header body 4 bilateral symmetry settings, be articulated on the header body 4 by locating shaft 5 and location hole 62, form laborsaving lever construction, the power arm of its top for being used for pressing, the bottom is resistance arm.It is between the force side 64 that spring 3 is arranged on two button upper ends, plays the effect that button is resetted, and the lower end of two buttons namely acts on end and is sector structure 61.In order to guarantee all even stable of the application of force, sector is symmetrical arranged in the lower end of button, cooperates with a pair of pinion of drive disk assembly 7.But when because of header body structure space deficiency, the sector structure also can be designed to monolateral one, corresponding pinion.Among the figure, the 63rd, return spring location and installation hole, the 65th, plug inserts puts forth effort the position.

In conjunction with Fig. 3 and Fig. 5 A, Fig. 5 B, Fig. 5 C, drive disk assembly 7 is the gear wheel 71 of coaxial rotation and the driving gear set that pinion 72 consists of, driving gear set is installed on the header body 4 by locating shaft 8, corresponding to each button lower end position, the sector 61 of button lower end and pinion 72 corresponding engagements.Gear wheel 71 and pinion 72 can adopt the monolithic construction such as Fig. 5 A explanation, such as the triplet gear.It also can be assembly structure, assemble such as Fig. 5 B two bodies, namely form integrally-built doublet gear by gear wheel 71 and a pinion 72, again with another pinion 72 coaxial one that are assembled into, 73 is positioning shaft holes among the figure, pinion positioning key or groove 74 are installed with gear wheel location notch or key 75 and are cooperated, and are assembled into one.Or Fig. 5 C trisome assembling, gear wheel 71 respectively with two pinions, the 72 coaxial one that are assembled into, be that gear wheel location notch or key 75 cooperate with pinion positioning key or groove 74 installations of a pinion, and the pinion location notch of this pinion or key 76 cooperate with pinion positioning key or groove 77 installations of another pinion simultaneously, and the three is assembled into one.

In conjunction with Fig. 3 and Fig. 6, Fig. 8 A, Fig. 8 B, pushing part 10 is thimble structures, is sleeved on the header body front end outside, forms slip cooperating relationships by lateral surface 44 and medial surface 105, gathering sill 43 with gib block 102 with header body.Collar inwall is symmetrically arranged with the rack structure 101 of vertical layout, gear wheel 71 engagements with the drive disk assembly of correspondence position, driving it by the rotation of gear wheel moves forward and backward along header body, the front end 104 of the collar is conflicted with receptacle face, when promoting forward, header body is pushed open with respect to socket.In addition, the 103rd, the rear end of the collar.Plug is not when extracting, and header body front end face 42 is concordant with pushing part front end face 104, header body

rear end face

41 and 103 combinations of pushing part rear end face.

Other versions also can be adopted in pushing part 10, a pair of pushing block structure as shown in Figure 7, be separately positioned on the header body outside corresponding with two driving gear set positions, the pushing block inwall arranges gathering sill or gib block 102, shown in Fig. 8 C, Fig. 8 D, correspondence arranges gib block or gathering sill 43 on header body, and both cooperate installation, and is symmetricly set on the inwall of this pushing block with the rack structure 101 of gear wheel 71 engagement of driving gear set.

Referring to Fig. 9, the operation principle of above plug is as follows:

1, pulls the plug out of the socket: finger is pressed left button force application part 64 and when locating shaft 5 rotation a spend, the sector 61 of button lower end and 72 engagements of the pinion of driving gear set, and drive driving gear set around locating shaft 8 backward rotation a*R1/R2 degree, because R1＞R2, so the corner of driving gear set is greater than the corner a of button 6, thereby in the first order transmission of sector gear 61 and pinion 72, play the effect of amplifying corner, again because having adopted the lever button, power arm has played again power-saving function greater than resistance arm.

Rack structure 101 engagements on gear wheel 71 and the pushing part, because the gear wheel 71 of driving gear set is rigidly connected for integral type or assembling with pinion 72, move forward along header body thereby make gear wheel 71 around locating shaft 8 rotating Vortexes and drive the pushing part, the front end 104 of pushing part is conflicted with receptacle face, when promoting forward, realized that header body separates with socket.

Because R3＞R2, so gear wheel 71 has played the effect that increases pushing part 10 actuating lengths with the engagement of rack structure 101 in the transmission of the second level; The right button work in like manner.

Button anglec of rotation a and pushing part stroke L relational expression:

The a----button anglec of rotation, unit °;

R1---button resistance arm (sector gear engagement radius of circle), the mm of unit;

Power arm in the rack-and-pinion transmission of the R2---second level (pinion radius of circle), the mm of unit;

Resistance arm in the rack-and-pinion transmission of the R3---second level (gear wheel engagement radius of circle), the mm of unit;

L----pushing part stroke (promotion amount), the mm of unit.

2, insert plug:,, the impetus of finger was placed on left and right press key puts forth effort position 65 and insert downwards when back-moving spring 3 lost efficacy this plug insertion socket according to commonsense method, button has the forced resetting effect.

Structure of the present invention is applicable to the attaching plug of various structures, such as the side outgoing line plug, ejects the line plug, and various version conducting terminal plugs also are applicable to various Charger (portable round)s, such as Figure 10.

Claims

1. one kind is helped unplugg, and it comprises header body (4), conducting terminal (9), and described conducting terminal is picked out by the front end of header body (4); It is characterized in that: on header body (4), also be provided with button assembly, drive disk assembly (7) and pushing part (10);

Described button assembly comprises two buttons (6) and spring (3), described two buttons arrange in the header body bilateral symmetry, be articulated on the header body (4), be laborsaving lever construction, it is between the force side (64) that spring (3) is arranged on two button upper ends, play the button reset response, the lower end of described two buttons namely acts on end and is sector structure (61);

Described drive disk assembly (7) is the driving gear set that is made of the gear wheel (71) of coaxial rotation and pinion (72), drive disk assembly (7) arranges one corresponding to each button lower end, be installed on the header body by locating shaft (8), the sector structure (61) of described button lower end meshes with the pinion (72) of corresponding driving gear set;

Described pushing part (10) is installed in the header body front end outside, forms slip cooperating relationship with header body; Described pushing part inwall has the rack structure (101) of vertical layout, gear wheel (71) engagement with the driving gear set of correspondence position, drive the pushing part by the rotation of gear wheel and move forward and backward along header body, the front end of pushing part (104) is conflicted with receptacle face.

2. the unplugg that helps according to claim 1, it is characterized in that, described pushing part (10) is thimble structure, collar inwall arranges gathering sill or gib block (102), gib block or gathering sill (43) are set on the header body, both cooperate installation, on the inwall that is arranged on the collar corresponding to the rack structure (101) of the gear wheel (71) of driving gear set engagement.

3. the unplugg that helps according to claim 1, it is characterized in that, described pushing part (10) is a pair of pushing block structure, be separately positioned on the header body outside corresponding with two drive disk assembly positions, pushing block two walls arrange gathering sill or gib block (102), gib block or gathering sill (43) are set on the header body, and both cooperate installation, on the inwall that is arranged on pushing block corresponding to the rack structure (101) of the gear wheel (71) of driving gear set engagement.

4. according to claim 1, the 2 or 3 described unpluggs that help, it is characterized in that, the sector structure (61) of the lower end of described each button is set to symmetrical a pair of, and the pinion (72) of the driving gear set that cooperates with it accordingly also arranges a pair of, is symmetrically arranged along gear wheel.

5. according to claim 1, the 2 or 3 described unpluggs that help, it is characterized in that, the sector structure (61) of the lower end of described each button is set to one, the pinion (72) of the driving gear set that cooperates with it accordingly also arranges one.

6. according to claim 1,2 or 3 described helping pull out power supply or Charger (portable round), it is characterized in that, described driving gear set is monolithic construction or the fabricated construction by a gear wheel (71) and the coaxial formation of one or two pinion (72).

7. according to claim 6 helping pulled out power supply or Charger (portable round), it is characterized in that, described fabricated construction is to be made of with the coaxial one that is assembled into of another pinion (72) the overall structure that gear wheel (71) and a pinion (72) form; Or consisted of with the coaxial one that is assembled into of two pinions (72) respectively by gear wheel (71).