CN101867108B - Strip ceramic dual-use three-hole power plug - Google Patents
Strip ceramic dual-use three-hole power plug Download PDFInfo
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- CN101867108B CN101867108B CN 201010187870 CN201010187870A CN101867108B CN 101867108 B CN101867108 B CN 101867108B CN 201010187870 CN201010187870 CN 201010187870 CN 201010187870 A CN201010187870 A CN 201010187870A CN 101867108 B CN101867108 B CN 101867108B
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- pedestal
- porcelain head
- hole
- ceiling
- loam cake
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Abstract
The invention relates to the technical field of power plugs, in particular to a strip ceramic dual-use three-hole power plug which is characterized by being provided with an insertion two-hole or three-hole circular plug or a T-shaped plug structure and an earthing terminal, a clamping protective device, a screw earthing mechanism and a lead, wherein the clamping protective device is formed by connecting an earthing metal clamping protective strip, a ceramic head, a base body upper cover and a base body lower cover into a whole, the lead is used for connecting the earthing metal clamping protective strip with the earthing terminal to ensure that an earthing metal fixing protective strip is earthed. Compared with the prior art, the invention has increased function; the earthing mechanism is additionally arranged on the basis of combining the original ceramic head and bakelite, isolated metal parts in the power plug are earthed by using an earthing mechanism, therefore, the problem of unstable current inside the traditional power plug is solved; and the metal clamping protective strip is adopted to pack the connection between the ceramic head and the base body safely and firmly, binding posts of a conductive terminal are novel in structure, therefore, the invention ensures reliable and safe insertion of the T-shaped plug, and has low cost, wide application and deservedness of popularization and application.
Description
Technical field
The invention relates to the attaching plug technical field, specifically a kind of strip ceramic dual-use three-hole power plug.
Background technology
Along with growth in the living standard, household electrical appliance have become in people's family life requisite apparatus, especially electric rice cooker, insulating pot, electric woks etc. are the kitchen tools that must use every day of family kitchen especially, when enjoying the easily enjoyment that modern science brings, people also can not be ignored the shortcoming of the existing problem of these modern furniture and appliances, especially power is larger household electrical appliance such as water heater, the circuit in long-time continuous is used such as air conditioner can generate heat, electrical appliance can generate heat, the contact component of the most serious is attaching plug is because plug mostly uses pvc material to make, not just heating, situation is hot and even is charred mostly, the plug that burns out because the time uses is not within minority, the even more serious fire that therefore causes that has, because the plug that the power consumption equipment of these relatively high powers uses is when design, security consideration for electricity consumption, attaching plug all is the Chinese character pin-shaped structure plug of " left zero; right fire; upper ground connection ", also has electrical appliance when heating up water etc., water can flow in the circuit by plug, produce short circuit, even breaking out of fire etc., and the connection of existing plug is insecure, the plug heating, the shortcoming such as hot.
Chinese patent 200920141899.3 discloses a kind of Chinese character pin-shaped ceramic three-hole power plug, solved the problem of materials of plug, but there is not ground connection, unstable because of the factor electric current that generates an electromagnetic field during use, being connected between porcelain head and the pedestal lacks safety firmly, the conducting terminal design that is connected between plug and the socket is unreasonable, particularly product unification, and Chinese character pin-shaped plug can not be used for round plug.
Summary of the invention
Purpose of the present invention overcomes the shortcoming of above-mentioned prior art; a kind of strip ceramic dual-use three-hole power plug is provided; can be used for round plug; can be used for Chinese character pin-shaped plug again; for the electric current of this attaching plug that prevents from flowing through produces unsettled problem; the screw earthing mechanism that provides a metal clamping ceiling and porcelain head and pedestal to link into an integrated entity is avoided in the prior art attaching plug without earthing mechanism, strengthens being connected firmly and safety between porcelain head and the pedestal.
For achieving the above object, design a kind of ceramic dual-use three-hole power plug, comprise porcelain head (1), pedestal loam cake (2) and lower cover (3) are fastened and connected, be provided with three jacks of isosceles triangle (4) in the porcelain head (1), be provided with conducting terminal (5) and (6) in the pedestal of left and right sides jack, the end of conducting terminal is provided with wire and connects, socket is provided with adapter sleeve (7), it is characterized in that this attaching plug is provided with round plug or Chinese character pin-shaped plug construction and the earth terminal that inserts two or three, by grounded metal clamping ceiling (8) and porcelain head (1), holding protection device and screw earthing mechanism that pedestal loam cake (2) and lower cover (3) link into an integrated entity, in order to connect the wire on grounded metal clamping ceiling and this earth terminal, make fixedly ceiling ground connection of grounded metal, the jack of described porcelain head conducting terminal is made of the jack that inserts round plug or Chinese character pin-shaped plug the circular upper part and square lower part combination of shapes, described conducting terminal is made the first and second binding posts by sheet metal, described binding post structure is that semicylinder and extension block consist of, it is semicylinder that the two ends at semicylinder top are provided with fixture and the left side that the corresponding recesses composition right side, top is left and right sides intermediate plate, the centre of semicylinder is provided with several louvres, extension block is rectangle, is provided with four symmetrical projections at rectangular sheet metal and fixes in order to wire;
The approximate bottle shape of the pedestal profile that pedestal loam cake and lower cover are fastened and connected or geometry, the pedestal bottom center is provided with a hole and puts into sleeve, the pedestal loam cake is connected corresponding shrinkage pool with the lower cover center upper portion and connects in order to screw, the pedestal top is provided with a rectangular recess in order to embed the porcelain head bottom, median wall at groove is provided with the equidistant left and right sides jack that uniformly-spaced is parallel to each other, in order to put into the sheet metal of conducting terminal, the position is provided with a rectangular recess in the middle of on the median wall of shrinkage pool, the rectangular recess in described median wall centre position is provided with three jacks of upper, middle and lower, three jacks of described upper, middle and lower are corresponding with the screw hole of pedestal loam cake and lower cover, in order to connect the connector of earth terminal, described loam cake or lower cover adopt bakelite or plastics or resin material to make;
Described loam cake and lower cover inner-cavity structure are same structures, the intracavity bottom of loam cake is provided with semicircle orifice, the semicircle orifice upper central is provided with a projection, in order to prevent that sleeve from sliding, the right and left on projection is respectively established a projection and is connected with sidewall, in order to prevent that wire from sliding, the top of upper cover cavity is a groove, the bottom portion of groove wall is provided with left, center, right three grooves, left and right sides groove is in order to inserting the sheet metal of conducting terminal, connecting well font projection on the base wall of intermediate groove, and intersecting parallels projection central authorities are provided with screw hole, intersecting parallels projection top is provided with corresponding slot with base wall, is provided with at the loam cake intracavity bottom and does not penetrate the reinforcement hole more than at least four;
Porcelain head is shaped as approximate stereoscopic rectangular, the porcelain head top is provided with three corresponding jacks with the bottom and consists of the isosceles triangle jack, middle jack is rectangle, left and right sides jack shape is circular by top and the bottom is that rectangle forms, the porcelain head bottom is provided with the groove that comprises one or more, is provided with one in the middle of the porcelain head for the groove that inserts grounded metal clamping ceiling, described porcelain head material is made by conventional ceramic or special cermacis or refractory ceramics;
Holding protection device is embedded by the porcelain head lower recess and connects pedestal top rectangular recess, metal clamping ceiling parcel porcelain head penetrates up and down two jacks on the pedestal center of top wall rectangular recess, the loam cake of pedestal is connected screw hole and is adopted screw nut to connect with lower cover, described metal clamping ceiling is provided with the window of corresponding porcelain head crown center jack, and be provided with a projection at metal clamping ceiling bottom of window and stretch into porcelain head crown center jack, slide in order to clamp porcelain head;
Screw earthing mechanism, this screw earthing mechanism comprise that screw and metal clamping ceiling upper and lower side parcel porcelain head consists of from the wire that penetrates in the up and down hole at pedestal top to pedestal inner chamber and the ceiling respectively;
Earthing mechanism embeds hole on the porcelain head crown center by grounded metal clamping ceiling one end, the ceiling other end passes in the upper hole of pedestal loam cake crown center groove along the porcelain head groove, ceiling is provided with screw hole and wire connection hole, adopt the earthing mechanism of screw and nut fixed base frame, be connected the embedded groove that is provided with at least one or more between described porcelain head and the pedestal top and fix;
Earthing mechanism stretches on the porcelain head crown center hole by grounded metal folder ceiling one end and wears to the pedestal inner chamber, and the ceiling other end passes the upper hole of pedestal loam cake crown center groove along the porcelain head groove, adopts the earthing mechanism of screw and nut fixed base frame and ceiling;
The first binding post is made of semicylinder and extension block, two ends, described semicylinder top are provided with corresponding recesses, be semicylinder for the intermediate plate fixture reaches the left side again about forming the right side, top and being, be provided with several louvres in the centre of semicylinder, the semicylinder lower left quarter is provided with an extension block, extension block is the rectangle leg, and leg is provided with four projections, and described the first binding post is made by a sheet metal;
The second binding post is provided with an extension block by the semicylinder right lower quadrant, and extension block is the rectangle leg, and it is opposite with the first binding post support that leg is provided with four projections, and described the second binding post is made by a sheet metal.
The present invention compared with prior art; function increases, and the basis of being combined with bakelite at original porcelain head increases earthing mechanism, utilizes earthing mechanism with metal parts ground connection isolated in the attaching plug; solve existing power supply plug inside electric current instability problem; adopt the safety that is connected firmly between metal clamping ceiling parcel porcelain head and the pedestal, the binding post structure of conducting terminal is novel, and the guaranty shaped plug inserts reliable and safety; this product-specific investments is few; cost is low, uses extensively, is worthy of promotion and application.
Description of drawings
Fig. 1 is D structure figure of the present invention;
Fig. 2 is the structural map of cover cavity on the pedestal of the present invention;
Fig. 3 is pedestal lower cover profile structural map of the present invention;
Fig. 4 is the D structure figure of porcelain head of the present invention;
Fig. 5 is the D structure figure of metal clamping ceiling of the present invention;
Fig. 6 is the D structure figure of another embodiment of the present invention metal clamping ceiling;
Fig. 7 is the D structure figure D structure figure of another embodiment of the present invention metal clamping ceiling;
Fig. 8 is the structural map of the present invention's the first binding post;
Fig. 9 is the structural map of the present invention's the second binding post;
Figure 10 is the D structure figure of sleeve of the present invention.
Embodiment
The present invention is further described below in conjunction with drawings and Examples, and described manufacturing technology is clearly to this professional people.
Participate in Fig. 1; 1 is pedestal; 2 is porcelain head; 3 is metal clamping ceiling, and 4 is the screw connector, and 5 is sleeve; dual-use three-hole power plug is clamped in the middle of the porcelain head by metal clamping ceiling; ceiling penetrates in the up and down hole of pedestal crown center position at two ends up and down, adopts screw and nut to be fixedly connected with, and the pedestal bottom is provided with sleeve.
Referring to Fig. 2,21 is loam cake, 22 is the screw connector, 23 is striped, 24 is the semicircle orifice of bottom, described loam cake external form is identical with the lower cover appearance structure, shape approximation bottle type, the loam cake center upper portion is provided with the screw connector, the loam cake lower case is provided with equidistant equally spaced concave and convex stripe, and described loam cake and lower cover adopt bakelite material or plastic material or resin material to make, and described material is ABS resin, polyester, polytetrafluoroethylene, phenolic plastics, aminoplast etc., at first hold loam cake and lower cover successfully mould, adopt above-mentioned material raw material injection mo(u)lding or compression molding.
Referring to Fig. 3; 31,32,33 is upper cover cavity projection; 34 is the loam cake top groove; 35 is upper tops lower wall intermediate groove; 36 and 37 is the left and right sides groove of upper tops lower wall; in order to the first binding post and the second binding post that inserts conducting terminal; 38 is jack; be provided with corresponding jack (39) at the corresponding top of 38 jacks, in order to the insertion of ceiling, 40 is the intersecting parallels projection; intersecting parallels projection top is connected with upper tops lower wall; 41 is the screw connector on the intersecting parallels projection, and 42 is semicircle orifice, in order to the Snap joint sleeve.The inner-cavity structure of described loam cake and lower cover is identical.
Referring to Fig. 4; 41 is porcelain head; 42 is the left hole of porcelain head; 43 is the right hole of porcelain head; 44 is the porcelain head interstitial hole; 45 is the groove of porcelain head; comprise semicircle; trapezoidal; half rectangle; half square, in order to the embedding of metal clamping ceiling, 46 is the tongue on the porcelain head; connect the corresponding groove in pedestal top in order to embed; described tongue comprises one or more or is provided with insert, and described porcelain head material adopts conventional ceramic or special cermacis or high-temperature ceramic materials to make, and described conventional ceramic is electrotechnical ceramics etc.; such as high silicon porcelain etc.; described special cermacis is High-Alumina porcelain etc., and described refractory ceramics is oxide ceramics etc., according to the requirement of Fig. 4; hold mould successfully, adopt compression molding or cast molding.
Referring to Fig. 5; 51 ceiling tops are the sheet metal of notch cuttype; 52 is screw hole; 53 is the rectangle sheet metal of ceiling left part, and 54 is the window of corresponding porcelain head mesopore, and 55 are provided with a projection for rectangular sheet metal bottom of window; projection is difficult for sliding in order to block the porcelain head mesopore; 56 is the sheet metal of ceiling bottom, and 57 is screw hole, and 58 is wire connection hole.
Referring to Fig. 6, Fig. 6 provides the connector of another embodiment ceiling, and described connector is approximate L-type, and 61 is projection, and 62 is the ceiling contiguous block, and 63 is the sheet metal of ceiling bottom, and 64 is screw hole, and 65 is wire connection hole.Described ceiling connector one end penetrates and clamps from the porcelain head mesopore, and the connector other end penetrates to the pedestal inner chamber from the pedestal screw hole, and connects the earth lead formation, and described porcelain head embeds the pedestal top must be provided with corresponding groove composition.
Referring to Fig. 7, Fig. 7 provides the connector of another embodiment ceiling, and 71 sheet metals for ceiling top are rectangles, and 72 is ceiling left part contiguous block, and 73 is the sheet metal of ceiling bottom, and 74 is screw hole, and 75 is wire connection hole, and 76 is the screw hole of bottom.Described connector one end penetrates to the pedestal inner chamber from the porcelain head mesopore, and connects wire, and the connector other end penetrates from the pedestal screw hole to the pedestal inner chamber and consists of.
The execution mode of described Fig. 5 or Fig. 6 or Fig. 7 is to hold first mould successfully, then with sheet metal or copper sheet compression molding or punch forming.
Referring to Fig. 8,81 is the first binding post, the right side, top is clamping sheet mechanism (82) up and down, the left side is semicylinder (83), the clamping sheet mechanism bottom is provided with an extension bar (84) up and down, extend bar and be provided with 85,86,87,88 projections, described cylinder is provided with louvre (89), and described the first binding post adopts a sheet metal or copper sheet to utilize mould compressing.
Referring to Fig. 9, the second binding post is opposite with the connection that the first binding post is distinguished the end extension bar (91) that is binding post, and described the second binding post adopts a sheet metal or copper sheet to utilize mould compressing.
Referring to Figure 10, Figure 10 has provided sleeve, and described sleeve is provided with two grooves (101), (102) at cylinder, adopts plastic material to make.
Claims (3)
1. ceramic dual-use three-hole power plug, comprise porcelain head (2), pedestal loam cake (6) and lower cover (1) are fastened and connected, be provided with three jacks of isosceles triangle (7) in the porcelain head (2), be provided with conducting terminal (42 in the pedestal of left and right sides jack, 43), the end of conducting terminal is provided with wire and connects, socket is provided with adapter sleeve (5), it is characterized in that this attaching plug is provided with circular plug or Chinese character pin-shaped plug construction and the earth terminal that inserts two or three, by grounded metal clamping ceiling (3) and porcelain head (2), holding protection device and the screw earthing mechanism of the one that pedestal loam cake (6) and lower cover (1) connect into, in order to connect the wire on grounded metal clamping ceiling and this earth terminal, make grounded metal clamping ceiling ground connection, the jack of described conducting terminal is made of the jack that inserts circular plug or isosceles triangle plug the circular upper part and square lower part combination of shapes, described conducting terminal is made the first and second terminals by sheet metal, described binding post structure is that semicylinder and extension block consist of, the two ends at semicylinder top are provided with corresponding recesses, and to form the right side, top be that fixture and the left side of left and right sides intermediate plate is semicylinder, the centre of semicylinder is provided with several louvres, extension block is rectangle, being provided with four symmetrical projections at the sheet metal (91) of rectangle leg fixes in order to wire, the pedestal profile that described pedestal loam cake and lower cover are fastened and connected is similar to the bottle shape, the pedestal bottom center is provided with a hole and puts into sleeve, the pedestal loam cake is connected corresponding shrinkage pool with the lower cover center upper portion and connects in order to screw, the pedestal top is provided with a rectangular recess in order to embed the porcelain head bottom, median wall at groove is provided with the equidistant left and right sides jack that uniformly-spaced is parallel to each other, in order to put into the sheet metal of conducting terminal, the position is provided with a rectangular recess in the middle of on the median wall of shrinkage pool, the rectangular recess in described median wall centre position is provided with three jacks of upper, middle and lower, three jacks of described upper, middle and lower are corresponding with the screw hole of pedestal loam cake and lower cover, in order to connect the connector of earth terminal, described loam cake or lower cover adopt bakelite or plastics or resin material to make; Described loam cake and lower cover inner-cavity structure are same structures, the intracavity bottom of loam cake is provided with semicircle orifice, the semicircle orifice upper central is provided with a projection, in order to prevent that sleeve from sliding, the right and left on projection is respectively established a projection and is connected with sidewall, in order to prevent that wire from sliding, the top of upper cover cavity is a groove, the bottom portion of groove wall is provided with left, center, right three grooves, left and right sides groove is in order to inserting the sheet metal of conducting terminal, connecting well font projection on the base wall of intermediate groove, and intersecting parallels projection central authorities are provided with screw hole, intersecting parallels projection top is provided with corresponding slot with base wall, is provided with at the loam cake intracavity bottom and does not penetrate the reinforcement hole more than at least four; Described porcelain head is shaped as approximate stereoscopic rectangular; the porcelain head top is provided with three corresponding jacks with the bottom and consists of the isosceles triangle jack; middle jack is rectangle; left and right sides jack shape is circular by top and the bottom is that rectangle forms; the porcelain head bottom is provided with the groove that comprises one or more; be provided with one in the middle of the porcelain head for the groove that inserts grounded metal clamping ceiling; described porcelain head material is made by conventional ceramic or special cermacis or refractory ceramics; described holding protection device is embedded by the porcelain head lower recess and connects pedestal top rectangular recess; metal clamping ceiling parcel porcelain head penetrates up and down two jacks on the pedestal center of top wall rectangular recess; the loam cake of pedestal is connected screw hole and is adopted screw nut to connect with lower cover; described metal clamping ceiling is provided with the window of corresponding porcelain head crown center jack; and be provided with a projection at metal clamping ceiling bottom of window and stretch into porcelain head crown center jack; slide in order to clamp porcelain head; described screw earthing mechanism; this screw earthing mechanism comprises that screw and metal clamping ceiling upper and lower side parcel porcelain head consists of from the wire that penetrates in the up and down hole at pedestal top to pedestal inner chamber and the ceiling respectively; described the first binding post is made of semicylinder and extension block; two ends, described semicylinder top are provided with corresponding recesses; be semicylinder for the intermediate plate fixture reaches the left side again about forming the right side, top and being; be provided with several louvres in the centre of semicylinder; the semicylinder lower left quarter is provided with an extension block; extension block is the rectangle leg; leg is provided with four projections; described the first binding post is made by a sheet metal; described the second binding post is provided with an extension block by the semicylinder right lower quadrant; extension block is the rectangle leg; it is opposite with the first binding post leg that leg is provided with four projections, and described the second binding post is made by a sheet metal.
2. a kind of ceramic dual-use three-hole power plug as claimed in claim 1; it is characterized in that earthing mechanism embeds hole on the porcelain head crown center by grounded metal clamping ceiling one end; the ceiling other end passes in the upper hole of pedestal loam cake crown center groove along the porcelain head groove; ceiling is provided with screw hole and wire connection hole; adopt the earthing mechanism of screw and nut fixed base frame, be connected the embedded groove that is provided with at least one or more between described porcelain head and the pedestal top and fix.
3. a kind of ceramic dual-use three-hole power plug as claimed in claim 1; it is characterized in that earthing mechanism stretches on the porcelain head crown center hole by grounded metal folder ceiling one end and wears to the pedestal inner chamber; the ceiling other end passes the upper hole of pedestal loam cake crown center groove along the porcelain head groove, adopts the earthing mechanism of screw and nut fixed base frame and ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187870 CN101867108B (en) | 2010-05-28 | 2010-05-28 | Strip ceramic dual-use three-hole power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187870 CN101867108B (en) | 2010-05-28 | 2010-05-28 | Strip ceramic dual-use three-hole power plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101867108A CN101867108A (en) | 2010-10-20 |
| CN101867108B true CN101867108B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010187870 Expired - Fee Related CN101867108B (en) | 2010-05-28 | 2010-05-28 | Strip ceramic dual-use three-hole power plug |
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| CN (1) | CN101867108B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760998B (en) * | 2011-04-29 | 2014-12-03 | 余乐恩 | Integral safety socket made of ceramic material |
| CN105552630A (en) * | 2016-02-19 | 2016-05-04 | 苏州东威科技有限公司 | Power plug |
| CN108365376B (en) * | 2018-04-13 | 2020-10-20 | 厦门视贝科技有限公司 | Composite integrated connector |
| CN111541078B (en) * | 2020-05-20 | 2022-03-18 | 艾克森（江苏）节能电热科技有限公司 | Safety plug and socket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004517Y (en) * | 2007-02-06 | 2008-01-09 | 王键梅 | An electric cooker plug |
| CN201097414Y (en) * | 2007-08-15 | 2008-08-06 | 富士康(昆山)电脑接插件有限公司 | Power supply connector |
| CN201365021Y (en) * | 2009-03-06 | 2009-12-16 | 朱少琦 | Chinese character 'pin'-shaped ceramic power plug |
| CN201549736U (en) * | 2009-11-12 | 2010-08-11 | 朱少琦 | General power supply connecting line component |
| CN201789121U (en) * | 2010-05-28 | 2011-04-06 | 朱少琦 | Batten-type porcelain dual-purpose three-jack power plug |
-
2010
- 2010-05-28 CN CN 201010187870 patent/CN101867108B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004517Y (en) * | 2007-02-06 | 2008-01-09 | 王键梅 | An electric cooker plug |
| CN201097414Y (en) * | 2007-08-15 | 2008-08-06 | 富士康(昆山)电脑接插件有限公司 | Power supply connector |
| CN201365021Y (en) * | 2009-03-06 | 2009-12-16 | 朱少琦 | Chinese character 'pin'-shaped ceramic power plug |
| CN201549736U (en) * | 2009-11-12 | 2010-08-11 | 朱少琦 | General power supply connecting line component |
| CN201789121U (en) * | 2010-05-28 | 2011-04-06 | 朱少琦 | Batten-type porcelain dual-purpose three-jack power plug |
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| CN101867108A (en) | 2010-10-20 |
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