CN201877601U - Striped ceramic three-hole power plug - Google Patents
Striped ceramic three-hole power plug Download PDFInfo
- Publication number
- CN201877601U CN201877601U CN201020210290XU CN201020210290U CN201877601U CN 201877601 U CN201877601 U CN 201877601U CN 201020210290X U CN201020210290X U CN 201020210290XU CN 201020210290 U CN201020210290 U CN 201020210290U CN 201877601 U CN201877601 U CN 201877601U
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- porcelain head
- hole
- ceiling
- pedestal
- loam cake
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Abstract
The utility model relates to the technical field of a power plug, in particular to a striped ceramic three-hole power plug. The power plug is provided with a three-hole plug and a grounding terminal for stabilizing current; the grounding terminal is connected with a porcelain head, a seat body upper cover and a seat body lower cover to form an integral clamping protection device and a screw grounding mechanism by a metal grounding protective strip, a lead for connecting a metal clamping protective strip and the grounding terminal enables the grounding metal fixing protection strip to be grounded; the porcelain head is provided with a first wiring column and a second wiring column in left and right jacks; the wiring column is composed of a half rectangle cube and an extension block; the top part of the half rectangle cube is provided with a clamping mechanism of left and right clamping sheets; the extension block is an oblong supporting foot; the oblong metal sheet is provided with six symmetrical bulges, wherein the four bulges at the lower part of the extension block are used for fixing the connection of leads. The product has the advantages of small investment, low cost and wide application; and the product is worth popularizing and applying.
Description
Technical field
The invention relates to the attaching plug technical field, specifically a kind of strip ceramic 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 enjoyment easily that modern science brings, people also can not be ignored the shortcoming of the existing problem of these modern furniture and appliances, especially household electrical appliance that power is bigger such as water heater, 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 burnt paste 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 these more powerful power consumption equipments use is when design, security consideration for electricity consumption, attaching plug all is the Chinese character pin-shaped structure plug on " left side zero; right fire; go up 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, 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, during use because of the factor electric current instability that generates an electromagnetic field, 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 three-hole power plug of relevant ceramic material is provided; for the electric current of this attaching plug that prevents to flow through produces problem of unstable; the screw earthing mechanism that provides a metal clamping ceiling and porcelain head and pedestal to link into an integrated entity; avoid the attaching plug of no earthing mechanism in the prior art, strengthen being connected firmly and safety between porcelain head and the pedestal.
For achieving the above object, design a kind of strip ceramic three-hole power plug, comprise porcelain head, pedestal loam cake and lower cover are fastened and connected, be provided with three Chinese character pin-shaped jacks in the porcelain head, be provided with conducting terminal in the jack of the left and right sides, conducting terminal is provided with lead and connects, socket is provided with sleeve, it is characterized in that this attaching plug is provided with the earth terminal of three-pin plug and stabling current, described earth terminal is by grounded metal ceiling and porcelain head, clamping protective device that pedestal loam cake and lower cover link into an integrated entity and screw earthing mechanism, in order to connect the lead of grounded metal clamping ceiling and this earth terminal, make fixedly ceiling ground connection of grounded metal, be provided with first binding post and second binding post in the jack of the described porcelain head left and right sides, described binding post structure is that half three-dimensional rectangle and extension block constitute, half three-dimensional rectangular top is provided with the fixture of left and right sides intermediate plate, extension block is the rectangle leg, be provided with six projections of symmetry on rectangular sheet metal, wherein four of the extension block bottom projections are in order to fixing that lead connects;
The pedestal profile that pedestal loam cake and lower cover are fastened and connected is the bottle shape, the pedestal bottom center is provided with a hole and puts into sleeve, the pedestal loam cake is provided with corresponding shrinkage pool with the lower cover center upper portion and is connected in order to screw, the pedestal top is provided with a rectangular recess in order to embed the porcelain head bottom, on the median wall of groove, be 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 centre position is provided with a rectangular recess 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 and lower cover adopt bakelite or resin or plastic 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 lead from sliding, the top of last cover cavity is a groove, the bottom portion of groove wall is provided with left, center, right three grooves, left and right sides groove connects the intersecting parallels projection in order to insert the sheet metal of conducting terminal on the base wall of intermediate groove, intersecting parallels projection central authorities are provided with screw hole, intersecting parallels projection top and base wall are provided with corresponding slot, are provided with at the loam cake intracavity bottom and do not penetrate the reinforcement hole more than at least four;
Porcelain head is shaped as approximate three-dimensional rectangle, porcelain head top and bottom are provided with three corresponding jacks and constitute the isosceles triangle jack, middle jack is a rectangle, left and right sides jack is a rectangle, 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;
The clamping protective device is embedded by the porcelain head lower recess and connects pedestal top rectangular recess, metal clamping ceiling parcel porcelain head penetrates two jacks up and down on the pedestal center of top wall rectangular recess, the loam cake of pedestal adopts screw nut to be connected with the screw hole of lower cover, described metal clamping ceiling is provided with the window of corresponding porcelain head crown center jack, and on metal clamping ceiling window bottom, be provided with a projection and stretch into porcelain head crown center jack, slide in order to clamp porcelain head;
Screw earthing mechanism, this screw earthing mechanism comprise screw and metal clamping ceiling upper and lower side clamp porcelain head wear to pedestal top inner chamber up and down in the hole and the lead on the ceiling constitute;
Earthing mechanism embeds hole on the porcelain head crown center by grounded metal clamping ceiling one end, the ceiling other end passes in the last hole of pedestal loam cake crown center groove along the porcelain head groove, ceiling is provided with screw hole and wire connection hole, adopts the earthing mechanism of screw and nut fixed base frame;
Earthing mechanism stretches into hole on the porcelain head crown center by grounded metal folder ceiling one end, and the ceiling other end passes the last hole of pedestal loam cake crown center groove, the earthing mechanism of employing screw and nut fixed base frame along the porcelain head groove;
Binding post is first to connect binding post and second binding post and constitute, half three-dimensional rectangular top of described binding post is provided with the left and right sides intermediate plate fixture that left and right sides lateral plate is formed, be located at three-dimensional cuboid bottom, described first or second binding post is made by a sheet metal.
The present invention compared with prior art; function increases; utilize 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 novel structure of conducting terminal; the guaranty shaped plug inserts reliable and safety, and this product-specific investments is few, and cost is low; use extensively, be 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 a 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 first binding post;
Fig. 9 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 hole up and down of pedestal crown center position at two ends up and down, adopts screw and nut fixedly connected, 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 or other geometries, 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 an 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 last cover cavity projection; 34 is the loam cake top groove; 35 is last tops lower wall intermediate groove; 36 and 37 is the left and right sides groove of last tops lower wall; in order to insert first binding post and second binding post of 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 last tops lower wall; 41 is the screw connector on the intersecting parallels projection, and 42 is semicircle orifice, in order to snap in the connection sleeve.The inner-cavity structure of described loam cake and lower cover is identical.
Referring to Fig. 4; 41 is porcelain head; 42 is hole, a porcelain head left side; 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 pedestal top corresponding grooves 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 an electrotechnical ceramics etc.; as high silicon porcelain etc.; described special cermacis is a high alumina matter porcelain etc., and described refractory ceramics is an 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 bottom rectangular sheet metal 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 the corresponding grooves 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 lead, and the connector other end penetrates from the pedestal screw hole to the pedestal inner chamber and constitutes.
Referring to Fig. 8,81 is left and right sides intermediate plate, and 82 is cylinder, 83 extension blocks.Described binding post structure is that half three-dimensional rectangle and extension block constitute, half three-dimensional rectangular top and two side ends are provided with the fixture of left and right sides intermediate plate, extension block is the rectangle leg, be located at three-dimensional rectangle outer lower portion, leg is provided with six projections, four projections of its middle and lower part are in order to fixing that lead connects, and described binding post is by a sheet metal compression molding or punch forming.
Referring to Fig. 9, Fig. 9 has provided sleeve, and described sleeve is provided with two grooves (91), (92) on cylinder, adopts plastic material to make.
Claims (9)
1. strip ceramic three-hole power plug; comprise porcelain head; pedestal loam cake and lower cover are fastened and connected; be provided with three Chinese character pin-shaped jacks in the porcelain head; be provided with conducting terminal in the jack of the left and right sides; conducting terminal is provided with lead and connects; socket is provided with sleeve; it is characterized in that this attaching plug is provided with the earth terminal of three-pin plug and stabling current; described earth terminal is by grounded metal ceiling and porcelain head; clamping protective device that pedestal loam cake and lower cover link into an integrated entity and screw earthing mechanism; in order to connect the lead of grounded metal clamping ceiling and this earth terminal; make fixedly ceiling ground connection of grounded metal; be provided with first binding post and second binding post in the jack of the described porcelain head left and right sides; described binding post structure is that half three-dimensional rectangle and extension block constitute; half three-dimensional rectangular top is provided with the fixture of left and right sides intermediate plate; extension block is the rectangle leg, is provided with six projections of symmetry on rectangular sheet metal, and wherein four of the extension block bottom projections are in order to fixing that lead connects.
2. a kind of strip ceramic three-hole power plug as claimed in claim 1, it is characterized in that the pedestal profile that pedestal loam cake and lower cover are fastened and connected is the bottle shape, the pedestal bottom center is provided with a hole and puts into sleeve, the pedestal loam cake is provided with corresponding shrinkage pool with the lower cover center upper portion and is connected in order to screw, the pedestal top is provided with a rectangular recess in order to embed the porcelain head bottom, on the median wall of groove, be 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 centre position is provided with a rectangular recess 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 and lower cover adopt bakelite or resin or plastic material to make.
3. a kind of strip ceramic three-hole power plug as claimed in claim 1, it is characterized in that 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 lead from sliding, the top of last 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 insert the sheet metal of conducting terminal, connect the intersecting parallels projection on the base wall of intermediate groove, intersecting parallels projection central authorities are provided with screw hole, and intersecting parallels projection top and base wall are provided with corresponding slot, are provided with at the loam cake intracavity bottom and do not penetrate the reinforcement hole more than at least four.
4. a kind of strip ceramic three-hole power plug as claimed in claim 1; it is characterized in that porcelain head is shaped as approximate three-dimensional rectangle; porcelain head top and bottom are provided with three corresponding jacks and constitute the isosceles triangle jack; middle jack is a rectangle; left and right sides jack is a rectangle; 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.
5. a kind of strip ceramic three-hole power plug as claimed in claim 1; it is characterized in that the clamping protective device embeds connection pedestal top rectangular recess by the porcelain head lower recess; metal clamping ceiling parcel porcelain head penetrates two jacks up and down on the pedestal center of top wall rectangular recess; the loam cake of pedestal adopts screw nut to be connected with the screw hole of lower cover; described metal clamping ceiling is provided with the window of corresponding porcelain head crown center jack; and on metal clamping ceiling window bottom, be provided with a projection and stretch into porcelain head crown center jack, slide in order to clamp porcelain head.
6. a kind of strip ceramic three-hole power plug as claimed in claim 1; it is characterized in that the screw earthing mechanism, this screw earthing mechanism comprise screw and metal clamping ceiling upper and lower side clamp porcelain head wear to pedestal top inner chamber up and down in the hole and the lead on the ceiling constitute.
7. a kind of strip ceramic 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 last hole of pedestal loam cake crown center groove along the porcelain head groove; ceiling is provided with screw hole and wire connection hole, adopts the earthing mechanism of screw and nut fixed base frame.
8. a kind of strip ceramic three-hole power plug as claimed in claim 1; it is characterized in that earthing mechanism stretches into hole on the porcelain head crown center by grounded metal folder ceiling one end; the ceiling other end passes the last hole of pedestal loam cake crown center groove along the porcelain head groove, adopts the earthing mechanism of screw and nut fixed base frame.
9. a kind of strip ceramic three-hole power plug as claimed in claim 1, it is characterized in that binding post is first to connect binding post and second binding post and constitute, half three-dimensional rectangular top of described binding post is provided with the left and right sides intermediate plate fixture that left and right sides lateral plate is formed, be located at three-dimensional cuboid bottom, described first or second binding post is made by a sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020210290XU CN201877601U (en) | 2010-05-28 | 2010-05-28 | Striped ceramic three-hole power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020210290XU CN201877601U (en) | 2010-05-28 | 2010-05-28 | Striped ceramic three-hole power plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877601U true CN201877601U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020210290XU Expired - Fee Related CN201877601U (en) | 2010-05-28 | 2010-05-28 | Striped ceramic three-hole power plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867109A (en) * | 2010-05-28 | 2010-10-20 | 朱少琦 | Strip ceramic three-hole power plug |
-
2010
- 2010-05-28 CN CN201020210290XU patent/CN201877601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867109A (en) * | 2010-05-28 | 2010-10-20 | 朱少琦 | Strip ceramic three-hole power plug |
| CN101867109B (en) * | 2010-05-28 | 2013-01-30 | 朱少琦 | Strip ceramic three-hole power plug |
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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: 20110622 Termination date: 20130528 |