CN103022810B - Easily disconnected plug - Google Patents
Easily disconnected plug Download PDFInfo
- Publication number
- CN103022810B CN103022810B CN201110288328.4A CN201110288328A CN103022810B CN 103022810 B CN103022810 B CN 103022810B CN 201110288328 A CN201110288328 A CN 201110288328A CN 103022810 B CN103022810 B CN 103022810B
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- Prior art keywords
- plug
- plug casing
- nut
- pedestal
- lid
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses an easily disconnected plug which comprises a plug shell, wherein metal plug pins are arranged on the lower end face of the plug shell and the rear end of the plug shell is connected with a power line. The plug is characterized in that an up-down-throughout through hole is formed in the plug shell at the middle position between the metal plug pins, and a screw is plugged in the through hole from the top down and is matched, connected and fixed with a nut fixed inside the plug shell in an up and down moveable manner. The plug is simple in structure and convenient to operate; by arranging the screw on the plug and causing the screw to prop against the surface of a socket to push the metal plug pins to move, the plug disconnection becomes very simple and safe and the risk of electric shock is prevented; and the connection between the screw and the plug is stable and is difficult to break and damage. The easily disconnected plug is simple in structure, convenient to use and low in cost.
Description
Technical field
The present invention relates to a kind of attaching plug, especially a kind of easy unplugg of power supply of electric equipment products.
Background technology
In daily life; along with increasing of household electrical appliance; often can need to plug attaching plug; generally, people extract outward by holding plug, but plug is all generally more firmly be inserted on socket; so when firmly choosing; socket will be difficult to fix, and is not drawn out easily, and just has the danger of electric shock if hand humidity is chosen during plug.So there is now a lot of easily unplugg, as the Chinese utility model " a kind of easily unplugg " that the patent No. is CN200920073812.3, it is plugged in a socket, described plug includes: a pedestal, it has a storage tank, described storage tank groove bottom compartment of terrain is outward extended with two conducting strips, and described storage tank groove bottom at least has a through hole; One supporting member, it has a pulling part, at least one axle portion and at least one top be shaped in described axle portion radial direction, described axle portion is the cell wall can being located at described storage tank rotationally, and described pulling part is the outside being positioned at described pedestal, described top is positioned at described storage tank and corresponding described through hole; One flap, it can cover mutually with described pedestal, makes described storage tank become closed, and is folded between described pedestal and flap in the axle portion of described supporting member.Such a construction increases the applicability of plug, avoid the supporting member fracture damage of described plug, but this plug construction is more complicated simultaneously, manufacturing cost is also higher, and conflict strength is large not, on big current socket, effect is undesirable, easily causes supporting member fracture damage.
The maximum 50N of conventional jack UL standard contact engaging and separating force, user can extract.And the socket current-carrying part of big current is relative to large and wide conventional jack, chucking power UL standard normal, can be very large about 356N (not having the upper limit), therefore not easily inserts and extract.Someone designs the socket of band handle for this reason, and if the patent No. is the United States Patent (USP) of US7052309, this handle design mainly solves insertion and the withdrawal force problem of big current (being namely more than or equal to 30A) socket, and its defect is complex structure, easily breaks.
Summary of the invention
Technical problem to be solved by this invention be provide for the above-mentioned state of the art a kind of simple and practical, easy to use, conflict strength large, be adapted at easy unplugg that big current socket uses.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of easily unplugg, comprise plug casing, the lower surface of plug casing is provided with metal pin, the rear end of plug casing is connected with power line, it is characterized in that: the centre position on described plug casing, between metal pin is provided with about one through hole run through, the screw rod of a band handle portion be inserted in from top to bottom to coordinate in through hole and with a nut be fixed in plug casing can be up and down be connected and fixed.
As improvement, be provided with in described plug casing:
One pedestal, it is provided with a storage tank, a spacing lock chamber is formed at the middle part of storage tank, described spacing lock chamber and plug casing run through through hole on the same axis and interconnect, described nut is embedded in spacing lock chamber, and in the bottom of storage tank, the outside surrounding of spacing lock chamber is provided with and plants fixing slot for metal pin;
One lid, is placed in the top of pedestal, is connected with pedestal is involutory, and lid is provided with the hollow joint pin coordinated with nut position;
Described screw rod through the through hole of plug casing, the hollow joint pin of lid, is threaded with the screw of nut from top to bottom movably.
As improvement, described spacing lock chamber is hexagon cavity, and described nut is hexagonal (hexagon)nut.
Improve, described pedestal and the rear end of lid form the mutually corresponding recess placed for wire again.
Improve, described plug casing adopts PVC plastic glue to make again, described pedestal and lid involutory after be fixed together by plug casing integral coating.
Further improvement, described metal pin is three conductive inserts and a grounding copper piece.
Finally, the upper end of described screw rod is provided with handle portion.
Compared with prior art, the invention has the advantages that: product structure is simple and practical, very easy to use, plug arranges the screw rod of band handle portion, the socket of correspondence of being conflicted by screw rod, promote plug outward movment, metal pin certainly will be driven to depart from jack on socket, thus the plug that makes to choose becomes very simple, safety, avoid the danger of electric shock, and screw rod and plug stable connection, not easily fracture damage, plug strength is large, can 540N be reached, structure of the present invention is simple, easy to use, cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural upright schematic diagram of the embodiment of the present invention;
Fig. 2 is the structure cutaway view of the embodiment of the present invention;
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the embodiment of the present invention;
Fig. 4 is the structural representation of screw rod under the state of stretching out of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of easily unplugg, comprise all-in-one-piece plug casing 1, described plug casing 1 adopts PVC plastic glue to make, the lower surface of plug casing 1 is provided with metal pin, the rear end of plug casing 1 is connected with power line, described metal pin is three conductive inserts 3 and a grounding copper piece 4, in being arranged on the lower surface of plug casing 1 up and down, on described plug casing 1, the center being positioned at three conductive inserts 3 and a grounding copper piece 4 is provided with about one through hole run through 11, one screw rod 2 is inserted in through hole 11 from top to bottom, and coordinate with a nut 7 be fixed in plug casing 1 can be up and down be connected and fixed, be provided with in described plug casing 1: a pedestal 5, it is provided with a storage tank 55, a hexagonal spacing lock chamber 51 is formed at the middle part of storage tank 55, described spacing lock chamber 51 and plug casing 1 run through through hole 11 on the same axis and interconnect, described nut 7 is hexagonal (hexagon)nut, be embedded at spacing lock chamber 51 internal fixtion, in the bottom of storage tank 55, the outside surrounding of spacing lock chamber 51 is provided with and plants fixing slot 52,54 for metal pin, one lid 6, is placed in the top of pedestal 5, is connected with pedestal 5 is involutory, and lid 6 is provided with the hollow joint pin 61 coordinated with nut 7 position, described screw rod 2 is from top to bottom through the through hole 11 of plug casing 1, the hollow joint pin 61 of lid 6, be threaded movably with the screw of nut 7, and be provided with handle portion 21 in the upper end of screw rod 2, when needing to choose plug, as long as rotatable handle portion 21, screw rod 2 is moved down stretch out the bottom through-hole 11 of plug casing 1, as shown in Figure 4, thus the surface of conflict socket, promote metal pin upwards movable, and then pull the plug out of the socket easily, described three conductive inserts 3 are inserted in the slot 52 of left and right, the below of spacing lock chamber 51 respectively, described grounding copper piece 4 is inserted in the top slot 54 of spacing lock chamber 51, described pedestal 5 and the rear end of lid 6 form the mutually corresponding recess 53,62 placed for wire, together with being coated and fixed by plug casing 1 after described pedestal 5 is involutory with lid 6.
Its operation principle is, utilize screw-drive mechanism principle dexterously, rotate the handle portion 21 of screw rod 2 by hand, screw rod 2 is moved down, pass the through hole 11 of plug casing 1, and stretch out downwards, naturally contact in receptacle face, because nut, inserted sheet are fixed together, such plug will be pushed up lentamente by screw rod 2 and pull out from socket, when screw rod is screwed into completely, inserted sheet just in time departs from socket interpolation spring bite, facilitates user easily to pull the plug out of the socket like this;
The about 52mm of handle portion 21 diameter of screw rod 2, screw pitch 3mm, handle rotates a circle displacement 163mm, and lead-screw moves forward 3mm, according to screw-drive mechanism principle simultaneously, transmission and the displacement of power are inversely proportional to, ignore friction loss=163/3 ≈ 54 times, namely make in handle portion the revolving force adding 10N, ignore friction loss, the thrust of screw tip just can reach 540N, and the socket being highly suitable for big current is applied.
Claims (5)
1. an easy unplugg, comprise plug casing, the lower surface of plug casing is provided with metal pin, the rear end of plug casing is connected with power line, it is characterized in that: the centre position on described plug casing, between metal pin is provided with about one through hole run through, the screw rod of a band handle portion be inserted in from top to bottom to coordinate in through hole and with a nut be fixed in plug casing can be up and down be connected and fixed;
Be provided with in described plug casing:
One pedestal, it is provided with a storage tank, a spacing lock chamber is formed at the middle part of storage tank, described spacing lock chamber and plug casing run through through hole on the same axis and interconnect, described nut is embedded in spacing lock chamber, and in the bottom of storage tank, the outside surrounding of spacing lock chamber is provided with and plants fixing slot for metal pin;
One lid, is placed in the top of pedestal, is connected with pedestal is involutory, and lid is provided with the hollow joint pin coordinated with nut position;
Described screw rod through the through hole of plug casing, the hollow joint pin of lid, is threaded with the screw of nut from top to bottom movably.
2. easy unplugg according to claim 1, it is characterized in that described spacing lock chamber is hexagon cavity, described nut is hexagonal (hexagon)nut.
3. easy unplugg according to claim 2, is characterized in that described pedestal and the rear end of lid form the mutually corresponding recess placed for wire.
4. easy unplugg according to claim 3, is characterized in that described plug casing adopts PVC plastic glue, described pedestal and lid involutory after be fixed together by plug casing integral coating.
5. the easy unplugg according to the arbitrary claim of Claims 1-4, is characterized in that described metal pin is three conductive inserts and a grounding copper piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110288328.4A CN103022810B (en) | 2011-09-20 | 2011-09-20 | Easily disconnected plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110288328.4A CN103022810B (en) | 2011-09-20 | 2011-09-20 | Easily disconnected plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103022810A CN103022810A (en) | 2013-04-03 |
| CN103022810B true CN103022810B (en) | 2015-04-01 |
Family
ID=47971091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110288328.4A Active CN103022810B (en) | 2011-09-20 | 2011-09-20 | Easily disconnected plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103022810B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006691A (en) * | 2015-06-24 | 2015-10-28 | 冯双喜 | Improved plug |
| CN105119105A (en) * | 2015-09-16 | 2015-12-02 | 张霖霄 | Easy-to-pull plug |
| CN107565294A (en) * | 2017-08-30 | 2018-01-09 | 中国建筑第八工程局有限公司 | Safety easy-pulling attaching plug |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200820U (en) * | 1985-04-02 | 1986-01-01 | 西安电瓷研究所 | Three-phase low-voltage zno lightning arrester |
| CN2736995Y (en) * | 2004-08-04 | 2005-10-26 | 杨再军 | A plug |
| CN202217869U (en) * | 2011-09-20 | 2012-05-09 | 宁波唯尔电器有限公司 | Easy-to-pull plug |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09320689A (en) * | 1996-05-28 | 1997-12-12 | Yoshihiko Yamaji | Attachment plug |
-
2011
- 2011-09-20 CN CN201110288328.4A patent/CN103022810B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200820U (en) * | 1985-04-02 | 1986-01-01 | 西安电瓷研究所 | Three-phase low-voltage zno lightning arrester |
| CN2736995Y (en) * | 2004-08-04 | 2005-10-26 | 杨再军 | A plug |
| CN202217869U (en) * | 2011-09-20 | 2012-05-09 | 宁波唯尔电器有限公司 | Easy-to-pull plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103022810A (en) | 2013-04-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |