CN2770149Y - Rotary self-locking safety power supply plugging device - Google Patents
Rotary self-locking safety power supply plugging device Download PDFInfo
- Publication number
- CN2770149Y CN2770149Y CN 200520001624 CN200520001624U CN2770149Y CN 2770149 Y CN2770149 Y CN 2770149Y CN 200520001624 CN200520001624 CN 200520001624 CN 200520001624 U CN200520001624 U CN 200520001624U CN 2770149 Y CN2770149 Y CN 2770149Y
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- locking
- eccentric
- power supply
- upper casing
- safety power
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to a rotary self-locking safety power supply plugging device. Jacks used for inserting plugs are correspondingly arranged on two hypotenuse edges of two arcuate structures oppositely arranged at a locking wheel, the two arcuate structures are fixedly connected through an elastic connecting piece, and an eccentric structure formed by an arc bulge on the locking wheel and/or a circular ring erecting wall on an upper shell; the plugs are pressed into the jacks by the locking wheel through an eccentric arc bulge and /or an eccentric arc erecting wall which are mutually pressed in the process of rotation so as to achieve favorable locking effect. In addition, because the inner side of the arc erecting wall near to the root part of the arc erecting wall is respectively provided with a slope structure, second locking positioning work is carried out through the action of a nape spring to adapt to the plugs with different sizes, so the force borne by the plugs is larger, the clamping force is larger and good locking effect can be attained.
Description
Technical field
The utility model relates to a kind of rotary self-locking safety power supply plug device.
Technical background
Mostly traditional supply socket is to adopt simple plug in construction, plug inserts the position, back and can't fix, the user tends to collision or drive plug when careless, make plug disengaging insertion position and cause loose contact or the disconnection connection, cause the power consumption equipment power down, cause unnecessary trouble and loss, and existing rotation lock compact form socket is to insert the back at plug to hold out against plug by locking member, thereby reaches the purpose of locking plug, this socket, not only locking effect is poor, still can extract energetically, and is also bigger to the wearing and tearing of locking member, if adopt the harder locking member of quality, wearing and tearing to plug are also very big, and the required angle of rotational lock is bigger, usually more than 45 degree, when being applied on the power socket, the plug of the electrical appliance of insertion can influence each other.In addition, traditional supply socket, even when not having plug to insert, conducting connecting part is understood charged and is caused safe hidden danger to the user.
The utility model content
The utility model has overcome above-mentioned shortcoming, provides a kind of locking effect good rotary self-locking safety power supply plug device.
The technical scheme in the invention for solving the technical problem is: a kind of rotary self-locking safety power supply plug device, comprise a spiral cover, a upper casing, a locking wheel and a base also are fastened and connected in turn mutually, a top spring is fixed between base and the locking wheel, be respectively arranged with two binding posts on two relative faces of described base, it is characterized in that: described locking wheel comprises two bow-shaped structurals, and string limit positioned opposite, two string limit correspondence positions respectively are provided with two grooves, be configured for inserting two sockets of plug, the two ends of described each socket respectively are provided with a metal stay, wherein the metal stay of each socket one end also is connected with conducting terminal, described two bow-shaped structurals are fixedly connected by a Flexible Connector, on described two arched circumference, the two ends of symmetry are respectively arranged with two circular arc projectioies, the installation site of the corresponding circular arc of upper casing is provided with the circular arc wall, circular arc projection and/or the circular arc wall on the upper casing on the described locking wheel are eccentric structure, the eccentric direction of two eccentric arc projectioies of described locking wheel is opposite, the eccentric direction of two eccentric arc walls on the described upper casing is opposite, and the eccentric arc projection of described corresponding installation site is identical with the eccentric direction of eccentric arc wall.
Described Flexible Connector can be domes.
The inboard of described two circular arc walls can be respectively arranged with ramp structure near the wall root.
Be provided with on the described spiral cover three jacks can be arranged, wherein the bottom of ground wire jack is circular, the top is a rectangle, firewire jack and zero line jack shape are identical, and center line symmetry with respect to ground wire jack, the long rectangular opening that described firewire jack and zero line jack are arranged in parallel by a pair of and described center line respectively and overlapping the forming of long rectangular opening of a pair of V-shaped layout, and distance adapts with the spacing of two-pin plug between a pair of long rectangular opening that described center line is arranged in parallel, the angle and distance of a pair of long rectangular opening of described V-shaped layout and the angle and distance of 3-phase plug adapt, described locking wheel.
The back side of described spiral cover, can be provided with at least one spline key on the guiding sidewall of jack, the head of described spline key extend in the jack respectively, be provided with corresponding spline hook in the relevant position of upper casing, the root of described strip dog is fixed on the inwall of circle in the upper casing, and head contacts with the afterbody of locking key under non-working condition.
The root inboard of described spline hook can be the circular arc transition.
Described spline hook top plan and and the contacted contact-making surface of spline key between angle can be the obtuse angle.
The position of conducting terminal can be corresponding on the position of described binding post and the described locking wheel, and described binding post can be " it " font structure that is formed by the sheet metal bending, and its contact-making surface is vertical with described spiral cover direction of rotation or approaching vertical.
At least two positioning boss can be provided with on the medial surface of circle in the described upper casing, corresponding locator slide can be provided with on the side of corresponding spiral cover.
Can respectively be provided with a guiding slope on the inner side plane of two circular arc walls of described upper casing.
The utility model passes through on the two arc string limits of two positioned opposite of locking wheel, correspondence is provided with the socket that is used to insert plug, described two bow-shaped structurals are fixedly connected by a Flexible Connector, on described two arched circumference, the two ends of symmetry are respectively arranged with two circular arc projectioies, the installation site of the corresponding circular arc of upper casing is provided with the circular arc wall, circular arc projection and/or the annulus wall on the upper casing on the described locking wheel are eccentric structure, the eccentric direction of two eccentric arc projectioies of described locking wheel is opposite, the eccentric direction of two eccentric arc walls on the described upper casing is opposite, described corresponding installation site eccentric arc projection identical with the eccentric direction of eccentric arc wall, in the rotating process of locking wheel, mutual extrusion by eccentric arc projection and/or eccentric arc wall, and then plug is squeezed in the socket, thereby reach good locking effect, in addition owing to be respectively arranged with ramp structure near the wall root in the inboard of circular arc wall, effect by the top spring, the secondary locking positioning, to adapt to different plug size, make that the suffered outside power of plug is big more, clamped power is big more, can reach better locking effect.
Description of drawings
Fig. 1 is the utility model overall structure figure
Fig. 2 is the utility model cutaway view
Fig. 3 is the front view of spiral cover
Fig. 4 is the rearview of spiral cover
Fig. 5 is the front view of upper casing
Fig. 6 is the structural representation of upper casing bottom surface
Fig. 7 is the structural representation of base
Fig. 8 is the front view of locking wheel
Fig. 9 is the end view of locking wheel
Figure 10 is the cooperation schematic diagram of binding post and conducting terminal
Embodiment
As shown in Figure 3, described spiral cover 1 is provided with three jacks, wherein the bottom of ground wire jack 5 is circular, the top is a rectangle, firewire jack 6 and zero line jack 7 shapes are identical, and center line symmetry with respect to ground wire jack 5, the long rectangular opening that described firewire jack 6 and zero line jack 7 are arranged in parallel by a pair of and described center line respectively and overlapping the forming of long rectangular opening of a pair of V-shaped layout, and distance adapts with the spacing of two-pin plug between a pair of long rectangular opening that described center line is arranged in parallel, and the angle and distance of a pair of long rectangular opening of described V-shaped layout and the angle and distance of 3-phase plug adapt.This jack structure can adapt to the attaching plug of three kinds of different structures, comprises GB two-phase homalocephalus, three-phase homalocephalus and 3-phase plug made in U.S.A, makes application of the present utility model more extensive.
The side of described spiral cover is provided with by three locator slides 26, corresponding upper casing is provided with three positioning boss 27, during the installation site, described positioning boss 27 slides in described locator slide 26, thereby guarantee top cover position stablizing on Plane of rotation, and make described spiral cover when rotating to the service position, can form secondary locking by the effect of top spring and the effect on slope 30.
As shown in Figure 4, the back side of described spiral cover 1, be respectively arranged with two spline keys 8 on the lateral wall of zero line jack 7 and firewire jack 6, the root of described spline key 8 is separately fixed at the edge of spiral cover two jacks, head extend into respectively in zero line jack 7 and the firewire jack 6, afterbody is lower than the plane, outward flange place of Socket walls 9, as shown in Figure 5, be provided with two spline hooks 10 in the position corresponding to spline key 8 of upper casing 2, the root of described strip dog 10 is fixed on the inwall of circle in the upper casing 2, and the position that root is connected with inwall transition in the arc-shaped, this transition structure make the root of spline hook 10 can bear bigger stress, not frangibility.The top plan 28 of described spline hook 10 and and spline key 8 contacted contact-making surfaces 29 between angle be the obtuse angle.Under non-working condition, promptly do not have under the state of plug insertion, the head of described strip dog 10 contacts with the afterbody of locking key 8, and be stuck in the Socket walls 9, make the fixed-site of spiral cover 1 with respect to upper casing 2, can not rotate, thereby prevent that described arrangements of electric connection from inserting the mistiming rotation and charged at no plug, causes unnecessary danger because of the rotation of external force; When plug is inserted in live wire and the zero line jack 6,7, push described spline key 8, make spline key 8 that a bit of displacement be arranged outside the hole, and then the head of spline ditch 10 ejected Socket walls 9, spiral cover 1 can be rotated along the interior circle of upper casing 2, because the top plan 28 of described spline hook and and the contacted contact-making surface 29 of spline key between have an obtuse angle, make when plug inserts, can make spline hook 10 successfully skid off the groove at spline key 8 places, even there is error in the size of plug, also can successfully rotates spiral cover and can not cause clamping stagnation.
As Fig. 8, shown in 9, described locking wheel 3 comprises two bow-shaped structurals 13 up and down, 14, and string limit positioned opposite, two bow-shaped structurals 13, leave slit 15 between 14, two string limit correspondence positions are provided with the socket 16 that is used to insert plug, 17, big arc 13 be provided with ground receptacle 18, socket 16,17, firewire jack 6 on 18 shape and position and the described spiral cover 1, the shape of zero line jack 7 and ground wire jack 5 is corresponding with the position, described socket 16, an end of 17 respectively is provided with a conducting terminal 16-1,17-1, another section respectively is provided with a stay 16-2,17-2, described conducting terminal and stay are fixed on two sockets 16 simultaneously, on four end faces of 17, described two bow- shaped structurals 13,14 is fixedly connected by domes 19, described domes 19 are as a kind of Flexible Connector, external force when extruding deformation is even being subjected to, and after cancelling external force, recovery situation is good, be difficult for causing permanent deformation, influence locking effect.Described two bow-shaped structurals 13, on 14 the circumference, the two ends of symmetry are respectively arranged with two eccentric arc projectioies 20, and eccentric direction is opposite, the back side at upper casing 2, the installation site of corresponding circular arc is provided with eccentric arc wall 11, as shown in Figure 6, eccentric direction is also opposite, pinch wheels is installed in the described upper casing 2, and eccentric arc projection 20 is corresponding with the eccentric arc wall 11 of upper casing 2, simultaneously corresponding eccentric arc projection 20 is identical with the eccentric direction of eccentric arc wall 11, the inboard of described two circular arc walls 11 is respectively arranged with ramp structure 30 near wall 11 roots, when inserting plug, and when the rotation of locking direction, mutual extrusion by eccentric arc projection and eccentric arc wall 11, make two bow-shaped structurals 13, slit 15 between 14 narrows down gradually, simultaneously, the conducting terminal at line receptacle 16 and neutral receptacle 17 two ends and the distance between the stay also diminish respectively gradually, thereby the metallic conduction sheet of plug is clamped, simultaneously, because the effect of top spring 25, give 3 one of locking wheels power with the direction of plug insertion, the eccentric arc projection at locking wheel 3 two ends is slided on the ramp structure 30 of going up eccentric arc wall 11, make two bow-shaped structurals 13, slit 15 between 14 is narrower, distance between corresponding conducting terminal and the stay is littler, also locked the plug that inserts more securely, even will under locking state, want to pull the plug out of the socket, because the effect of ramp structure 30, make plug be locked the wheel 3 hold tighter, the plug that this ramp structure 30 can adapt in the different error ranges simultaneously uses, corresponding to different plug size, described top spring 25 ejects different height, can both reach the secondary locking effect.After plug rotated to locked position, conducting terminal closely contacted with binding post, and and power connection, thereby reach at the locking plug and in the purpose of locked position energized, guaranteed stability and the fail safe used.As shown in Figure 6, respectively be provided with a guiding slope 31 on the inner side plane of two circular arc walls of described upper casing, when spiral cover 1 and locking wheel 3 rotate to the service position, because the effect of the counter-force of top spring, make circular arc projection landing on the described locking wheel advance the to lead bottom on slope 31, prevent that locking wheel from rotating along the opposite direction of locking automatically because of the pressure between eccentric arc projection or the eccentric arc wall, causes the reduction of locking effect.Because the guiding slope has certain angle of inclination, when the people locks for opening, only need the user directly to circle round simultaneously, can make locking wheel break away from locked position.
As shown in Figure 7, pair of terminals 33 is installed in the two ends of described base, " it " font structure of described binding post for forming by the sheet metal bending, with a side is example, as shown in figure 11, its contact-making surface 34 is vertical with described spiral cover direction of rotation or approaching vertical, when spiral cover and locking wheel rotate to the service position, the contact-making surface 34 of described conducting terminal contacts with the contact-making surface 35 of binding post, and compress mutually, owing to certain elasticity that has of zigzag structure,, make the anglec of rotation produce and to guarantee also under the different situations that the contact of two contact-making surfaces is good even in the plug size difference, thereby guarantee that conducting terminal and power turn-on are good, and, because the contact-making surface of binding post is vertical with described spiral cover direction of rotation or near vertical, produce the little electric arc of trying one's best in the process that can guarantee to switch on and off.This binding post can guarantee to have only in working order down, promptly insert plug and situation about screwing under can energized, under non operating state, promptly have when plug inserts and do not disconnect power supply, thus the fail safe when having improved non-the use greatly.
Embodiment 3, identical with the structure major part of embodiment 1,2, difference is, on the circumference of described two bow- shaped structurals 13,14, the two ends of symmetry are respectively arranged with two eccentric arc projectioies 20, described two eccentric arcs projection, 20 eccentric directions are opposite, and the installation site of the corresponding eccentric arc projection of upper casing 2 is provided with circular arc wall 11, and described circular arc wall 11 is concentric with the interior circle of described upper casing 2.When described pinch wheels was installed in the described upper casing 2, the circular arc projection was corresponding with the eccentric arc wall 11 of upper casing 2, in use, insert plug, and when the rotation of locking direction, the mutual extrusion by eccentric arc projection and circular arc wall 11 also can reach same locking effect.
The structure that cooperatively interacts by above-mentioned three kinds of eccentric arc projectioies and/or eccentric arc wall, can be issued to good locking effect in the small rotation angle, the angle of the locking of desire adjustment simultaneously can realize that also eccentric distance is big more, the locking angle is more little by regulating eccentric distance.
Claims (10)
1, a kind of rotary self-locking safety power supply plug device, comprise a spiral cover, a upper casing, a locking wheel and a base also are fastened and connected in turn mutually, a top spring is fixed between base and the locking wheel, be respectively arranged with two binding posts on two relative faces of described base, it is characterized in that: described locking wheel comprises two bow-shaped structurals, and string limit positioned opposite, two string limit correspondence positions respectively are provided with two grooves, be configured for inserting two sockets of plug, the two ends of described each socket respectively are provided with a metal stay, wherein the metal stay of each socket one end also is connected with conducting terminal, described two bow-shaped structurals are fixedly connected by a Flexible Connector, on described two arched circumference, the two ends of symmetry are respectively arranged with two circular arc projectioies, the installation site of the corresponding circular arc of upper casing is provided with the circular arc wall, circular arc projection and/or the circular arc wall on the upper casing on the described locking wheel are eccentric structure, the eccentric direction of two eccentric arc projectioies of described locking wheel is opposite, the eccentric direction of two eccentric arc walls on the described upper casing is opposite, and the eccentric arc projection of described corresponding installation site is identical with the eccentric direction of eccentric arc wall.
2, rotary self-locking safety power supply plug device according to claim 1 is characterized in that: described Flexible Connector is domes.
3, rotary self-locking safety power supply plug device according to claim 1 is characterized in that: the inboard of described two circular arc walls is respectively arranged with ramp structure near the wall root.
4, according to claim 1 or 3 described rotary self-locking safety power supply plug devices, it is characterized in that: described spiral cover is provided with three jacks, wherein the bottom of ground wire jack is circular, the top is a rectangle, firewire jack and zero line jack shape are identical, and center line symmetry with respect to ground wire jack, the long rectangular opening that described firewire jack and zero line jack are arranged in parallel by a pair of and described center line respectively and overlapping the forming of long rectangular opening of a pair of V-shaped layout, and distance adapts with the spacing of two-pin plug between a pair of long rectangular opening that described center line is arranged in parallel, the angle and distance of a pair of long rectangular opening of described V-shaped layout and the angle and distance of 3-phase plug adapt, described locking wheel.
5, according to claim 1 or 3 described rotary self-locking safety power supply plug devices, it is characterized in that: the back side of described spiral cover, the guiding sidewall of jack is provided with at least one spline key, the head of described spline key extend in the jack respectively, be provided with corresponding spline hook in the relevant position of upper casing, the root of described strip dog is fixed on the inwall of circle in the upper casing, and head contacts with the afterbody of locking key under non-working condition.
6, rotary self-locking safety power supply plug device according to claim 5 is characterized in that: the root of described spline hook is inboard to be the circular arc transition.
7, rotary self-locking safety power supply plug device according to claim 5 is characterized in that: described spline hook top plan and and the contacted contact-making surface of spline key between angle be the obtuse angle.
8, according to claim 1 or 3 described rotary self-locking safety power supply plug devices, it is characterized in that: the position of conducting terminal is corresponding on the position of described binding post and the described locking wheel, " it " font structure of described binding post for being formed by the sheet metal bending, its contact-making surface is vertical with described spiral cover direction of rotation or approaching vertical.
9, according to claim 1 or 3 described rotary self-locking safety power supply plug devices, it is characterized in that: the medial surface of circle is provided with at least two positioning boss in the described upper casing, and the side of corresponding spiral cover is provided with corresponding locator slide.
10, according to claim 1 or 3 described rotary self-locking safety power supply plug devices, it is characterized in that: respectively be provided with a guiding slope on the inner side plane of two circular arc walls of described upper casing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520001624 CN2770149Y (en) | 2005-01-26 | 2005-01-26 | Rotary self-locking safety power supply plugging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520001624 CN2770149Y (en) | 2005-01-26 | 2005-01-26 | Rotary self-locking safety power supply plugging device |
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CN2770149Y true CN2770149Y (en) | 2006-04-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520001624 Expired - Fee Related CN2770149Y (en) | 2005-01-26 | 2005-01-26 | Rotary self-locking safety power supply plugging device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1333497C (en) * | 2005-01-26 | 2007-08-22 | 金沛 | Rotary self-locking safety power supply plug method and device thereof |
CN110538763A (en) * | 2019-10-08 | 2019-12-06 | 中冶南方工程技术有限公司 | Roller coating unit |
CN110600928A (en) * | 2019-09-16 | 2019-12-20 | 深圳市长盈精密技术股份有限公司 | Socket and connector assembly |
-
2005
- 2005-01-26 CN CN 200520001624 patent/CN2770149Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1333497C (en) * | 2005-01-26 | 2007-08-22 | 金沛 | Rotary self-locking safety power supply plug method and device thereof |
CN110600928A (en) * | 2019-09-16 | 2019-12-20 | 深圳市长盈精密技术股份有限公司 | Socket and connector assembly |
CN110600928B (en) * | 2019-09-16 | 2021-05-25 | 深圳市长盈精密技术股份有限公司 | Socket and connector assembly |
CN110538763A (en) * | 2019-10-08 | 2019-12-06 | 中冶南方工程技术有限公司 | Roller coating unit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060405 |