CN108199170A - Attaching plug and its manufacturing method - Google Patents

Attaching plug and its manufacturing method Download PDF

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Publication number
CN108199170A
CN108199170A CN201810106657.4A CN201810106657A CN108199170A CN 108199170 A CN108199170 A CN 108199170A CN 201810106657 A CN201810106657 A CN 201810106657A CN 108199170 A CN108199170 A CN 108199170A
Authority
CN
China
Prior art keywords
plug
head
stent
foot
attaching plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810106657.4A
Other languages
Chinese (zh)
Inventor
虞金蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Prague Electronic Products Co Ltd
Original Assignee
Jiangxi Prague Electronic Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Prague Electronic Products Co Ltd filed Critical Jiangxi Prague Electronic Products Co Ltd
Priority to CN201810106657.4A priority Critical patent/CN108199170A/en
Publication of CN108199170A publication Critical patent/CN108199170A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/06—Riveted connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses an attaching plug and its manufacturing methods.The attaching plug includes a housing, a stent and at least two plug blades feet.The plug blades foot includes one and is inserted into head and a connection tail portion.The insertion head is made of a part for a cylindrical material by pounding pressure, to form the insertion head with laminated structure, to increase the hardness on the insertion head.The connection tail portion 12 is molded by another part of the cylindrical material 20 without pounding pressure, and wherein the connection tail portion has a riveting space of lines.The plug blades foot is positioned apart from the stent, which can be fixed in the housing, with by the stent, by this, at least two plug blades feet are fixedly arranged on the housing.

Description

Attaching plug and its manufacturing method
Technical field
The present invention relates to an attaching plug technical fields, relate more specifically to an attaching plug and its manufacturing method.
Background technology
Attaching plug, also known as power-line plug refer to the devices such as electrical appliance being connected to the device of power supply.Attaching plug General, the big and small industry that has many uses may all need attaching plug, usually where need electricity, where just there is power supply to insert Head, that is to say, that the purposes of attaching plug has spread each corner that we live, work.Normally, attaching plug can divide For two core attaching plugs, core electric power plug and multi-core power plug.As its name suggests, two core attaching plugs are exactly there are two tools Pin；Core electric power plug is exactly that there are three pins for tool；Multi-core power plug is exactly multiple pins.Although the pin of attaching plug In the presence of such as a variety of pin styles of plug blades foot, plug circular foot or plug side's foot etc., but plug blades foot, which is still power supply, to be inserted Most common pin style in head.
In current attaching plug industry, existing power supply plug generally includes a housing, and an internal frame and at least two insert Head piece foot, the wherein plug blades foot is generally fabricated using flat sheet, and the plug blades foot is in a manner of grafting It is installed on the internal frame, and then the plug blades foot is fixed on by the housing by the internal frame, inserted with being assembled into the existing power supply Head.Specifically, as shown in Figure 1, the plug blades foot 1P of the existing power supply plug has one to be inserted into the connections of head 11P and one tail portion 12P, wherein the insertion head 11P integrally extends from the connection tail portion 12P, for being inserted into the jack of a power outlet It is electrically connected with the power outlet, the connection tail portion 12P is crimped by flat sheet to form U-shaped structure, so as to the side of riveting Formula is electrically connected with a power cord 40 (such as electric wire or cable).Significantly, since the existing plug blades foot 1P is by flat Plank is integrally machined so that the hardness of the insertion head 11P and connection tail portion 12P of the existing plug blades foot 1P by The rigidity of the flat sheet determines, therefore the hardness of insertion head 11P and the hardness of connection tail portion 12P are consistent It is and identical.
However, the insertion head 11P of the existing plug blades foot 1P needs have sufficiently large hardness, to avoid the insertion Head 11P is deformed or is damaged when being inserted into the power outlet due to hardness is inadequate, in contrast to this, the existing plug blades foot The connection tail portion 12P of 1P then needs have sufficiently small hardness, to avoid the connection tail portion 12P when hardness is excessive in riveting Fracture or damaged occurs during power cord, so that the insertion head 11P and the connection tail portion 12P are for flat sheet hardness It needs to run in the opposite direction.In other words, the hardness of insertion head 11P is a pair of conflicting with the hardness for connecting tail portion 12P Opposite, the needs of both can not meeting simultaneously to hardness by the manufacturing method of the existing plug blades foot 1P, can only use The flat sheet of the method choice suitable stiffness of compromise manufactures the existing plug blades foot 1P, but this compromise algorithm can not solve Certainly above-mentioned contradiction.Therefore, it is badly in need of a kind of new manufacturing method for manufacturing plug blades foot, to solve above-mentioned contradiction.
In addition, on the one hand, the connection tail portion 12P of the existing plug blades foot 1P causes by riveting when with U-shaped structure It is exposed in the power cord of connection tail portion 12P, it is possible to short circuit accident occur；On the other hand, by power cord riveting in the connection Riveting central point during the 12P of tail portion can not accurately determine, and can frequently result in riveting central point and deviate, adjacent to cause The distance between the connection tail portion 12P of plug blades foot 1P reductions, so as to can further increase the possibility that short circuit accident occurs Property, it is also not easy to perform riveting operation.
Invention content
The one of the present invention is designed to provide an attaching plug and its manufacturing method, wherein the plug blades of the attaching plug Foot is integrally processed by cylindrical material, to increase the hardness on the one of plug blades foot insertion head.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein the plug of the attaching plug The one of piece foot is inserted into a connection tail portion of the hardness more than the blind plug piece foot on head.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein the plug of the attaching plug Piece foot includes an insulating layer, to prevent electric shock or short circuit accident occurs.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein the plug of the attaching plug One connection tail portion of piece foot can easily one power cord of riveting, to be connect with being powered with the power cord.
Another object of the present invention is to provide an attaching plug and its manufacturing method, it can ensure the attaching plug Plug blades foot one insertion head center line with the one of the plug blades foot connect tail portion center line coincidence, to prevent adjacent The connection tail portion of the plug blades foot short circuit occurs due to inclination.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein the plug of the attaching plug The riveting string holes of one connection tail portion of piece foot is formed by cylindrical material interior space in itself, is completely closed, without seam, with Convenient for more securely, securely connect power cord.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein the plug of the attaching plug The manufacturing method of piece foot has overturned the manufacturing process of existing plug blades foot, and then solves the one of the plug blades foot and be inserted into head The respective inconsistent contradiction of required hardness in portion and a connection tail portion.
Another object of the present invention is to provide an attaching plug and its manufacturing method, securely a stent can be consolidated The junction between head and a connection tail portion is inserted into due to the one of a plug blades foot, to prevent the plug blades foot and the stent Between the safe handling of the attaching plug is influenced due to generation activity.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein the attaching plug is described Stent is removably attachable to the housing of the attaching plug, to contribute to attaching plug described in maintenance and repair.
Another object of the present invention is to provide an attaching plug and its manufacturing method, wherein in order to achieve the above object, The structure using expensive material or complexity is not needed in the present invention.Therefore, present invention success and effectively one solution of offer Scheme not only provides an attaching plug and its manufacturing method, while also adds the practicability and reliability of the attaching plug.
In order to realize above-mentioned at least a goal of the invention or other objects and advantages, the present invention provides an attaching plug, packets It includes：
One housing；
One stent, wherein the stent can be fixed in the housing；And
At least two plug blades feet, wherein at least two plug blades feet are positioned apart from the stent, to pass through It states stent and at least two plug blades feet is fixedly arranged on the housing, wherein the plug blades foot includes：
One is inserted into head, wherein the insertion head has a laminated structure, wherein the insertion head is by a cylinder material A part for material is made by pounding pressure；With
One connection tail portion, wherein the connection tail portion is molded by the cylindrical material without pounding pressure, wherein the connection Tail portion has a riveting space of lines.
In some embodiments of the invention, the riveting space of lines of the connection tail portion is passed through by the cylindrical material bores Hole and the riveting string holes formed, and an opening of the riveting space of lines is directed away from the direction for being inserted into head.
In some embodiments of the invention, the hardness for being inserted into head is more than the hardness of the connection tail portion.
In some embodiments of the invention, the plug blades foot further includes an insulating layer, wherein the insulating layer coats In the rear end for being inserted into head.
In some embodiments of the invention, the insertion head further comprises an at least anti-falling piece, wherein described anti- De- part is arranged at the rear end for being inserted into head.
In some embodiments of the invention, the stent be in the insertion head of the plug blades foot it is described after End, and the stent integrally extands rearward to the connection tail portion from the rear end for being inserted into head, so that described Stent is attached to the insertion head of the plug blades foot and the connection tail portion simultaneously.
In some embodiments of the invention, the stent is made into a manner of integrated injection molding, by the plug blades Foot is fixedly arranged on the stent.
In some embodiments of the invention, the stent is removable installed in the stent.
In some embodiments of the invention, the housing and the stent are detachably connected.
In some embodiments of the invention, the housing is integrally made into the stent in a manner of being molded.
In some embodiments of the invention, the stent has the boss to match with the insertion head, wherein institute It states boss from the stent integrally to extend forward, and the boss is coated on the rear end for being inserted into head.
In some embodiments of the invention, the two plug blades feet by compartment of terrain and are set in parallel, so that the electricity Source plug is two core attaching plug of a national standard formula.
In some embodiments of the invention, the three plug blades feet are so that the attaching plug is three core of national standard formula electricity Source plug.
In some embodiments of the invention, the insertion head of the plug blades foot further comprises a perforation, Described in perforation be penetratingly formed in it is described be inserted into head a front end.
In some embodiments of the invention, a plug circular foot is further included, wherein the plug circular foot and two plugs Piece foot is positioned apart from, so that the attaching plug is America and Japan's formula core electric power plug.
In some embodiments of the invention, the two plug blades feet by compartment of terrain and are set in parallel, so that the electricity Source plug is two core attaching plug of America and Japan's formula.
According to another aspect of the present invention, invention further provides the manufacturing method of an attaching plug, including following Step：
(a) one end of a flat cylindrical material is pounded, to form the one of a plug blades foot of attaching plug insertion head；
(b) drilling is in the other end of the cylindrical material, to form a riveting of the one of plug blades foot connection tail portion Space of lines；
(c) injection is in the insertion head and the junction of the connection tail portion, in the insertion head and the company The junction for connecing tail portion forms a stent；And
(d) the fixed stent is in a housing of the attaching plug, so that the housing coats the plug blades foot The connection tail end.
In some embodiments of the invention, the step (a) further comprises the steps：
The circumferential edges for being inserted into head are cut, to adjust the shape and size for being inserted into head；With
A front end on head is inserted into described in fillet, to form a fillet surface in the front end for being inserted into head.
In some embodiments of the invention, further comprise the steps after the step (b)：
The burr of the blind plug piece foot is removed, to keep the surface of the blind plug piece foot smooth；With
An anti-oxidation paint is coated in the surface of the blind plug piece foot, on the surface of the blind plug piece foot Form an anti-oxidation enamelled coating.
In some embodiments of the invention, a step is further comprised between the step (b) and the step (c) Suddenly：It is molded in the insertion head, to form an insulating layer in the rear end for being inserted into head.
In some embodiments of the invention, the step (b) further comprises a step：It drills in the insertion head The rear end, with it is described be inserted into head the rear end formed a through-hole.
According to another aspect of the present invention, invention further provides the manufacturing method of an attaching plug, including following Step：
(A) one end of a flat cylindrical material is pounded, to form the one of a plug blades foot of attaching plug insertion head；
(B) drilling is in the other end of the cylindrical material, to form a riveting of the one of plug blades foot connection tail portion Space of lines；And
(C) injection is in the plug blades foot, to form a stent of the attaching plug and a housing, wherein the stent Positioned at the insertion head of the plug blades foot and the junction of the connection tail portion, the housing cladding is described The connection tail portion of plug blades foot.
In some embodiments of the invention, further comprise a step between the step (B) and the step (C) Suddenly：One power cord of riveting is in the riveting space of lines of the connection tail portion of the plug blades foot.
By the understanding to subsequent description and attached drawing, further aim of the present invention and advantage will be fully demonstrated.
These and other objects, feature and the advantage of the present invention, by following detailed descriptions, drawings and claims obtain To fully demonstrate.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of a plug blades foot of existing power supply socket.
Fig. 2 is the stereoscopic schematic diagram of an attaching plug of one first preferred embodiment according to the present invention.
Fig. 3 is the exploded perspective view of the attaching plug of above-mentioned first preferred embodiment according to the present invention.
Fig. 4 is that the solid of a plug blades foot of the attaching plug of above-mentioned first preferred embodiment according to the present invention is shown It is intended to.
Fig. 5 is the section view of the plug blades foot of the attaching plug of above-mentioned first preferred embodiment according to the present invention Schematic diagram.
Fig. 6 is that the plug blades foot of the attaching plug of above-mentioned first preferred embodiment according to the present invention is mounted In the schematic cross-sectional view of a stent.
Fig. 7 is the flow signal of the manufacturing method of the attaching plug of above-mentioned first preferred embodiment according to the present invention Figure.
Fig. 8 is the block diagram signal of the manufacturing method of the attaching plug of above-mentioned first preferred embodiment according to the present invention Figure.
Fig. 9 is the stereoscopic schematic diagram of an attaching plug of one second preferred embodiment according to the present invention.
Figure 10 is the explosion of a plug blades foot of the attaching plug of above-mentioned second preferred embodiment according to the present invention Schematic diagram.
Figure 11 is cuing open for the plug blades foot of the attaching plug of above-mentioned second preferred embodiment according to the present invention Depending on schematic diagram.
Figure 12 is that the block diagram of the manufacturing method of the attaching plug of above-mentioned second preferred embodiment according to the present invention shows It is intended to.
Figure 13 shows the plug blades foot of the attaching plug of above-mentioned second preferred embodiment according to the present invention One first alternating pattern.
Figure 14 is the schematic cross-sectional view of the plug blades foot of the first alternating pattern according to the present invention.
Figure 15 shows the plug blades foot of the attaching plug of above-mentioned second preferred embodiment according to the present invention One second alternating pattern.
Figure 16 is the schematic cross-sectional view of the plug blades foot of the second alternating pattern according to the present invention.
Figure 17 shows the plug blades feet of the attaching plug of above-mentioned second preferred embodiment according to the present invention A third alternating pattern.
Figure 18 is the schematic cross-sectional view of the plug blades foot of third alternating pattern according to the present invention.
Figure 19 is the stereoscopic schematic diagram of an attaching plug of third preferred embodiment according to the present invention.
Figure 20 is the exploded perspective view of the attaching plug of above-mentioned third preferred embodiment according to the present invention.
Figure 21 is that the block diagram of the manufacturing method of the attaching plug of above-mentioned third preferred embodiment according to the present invention shows It is intended to.
Figure 22 is the stereoscopic schematic diagram of an attaching plug of one the 4th preferred embodiment according to the present invention.
Figure 23 is the solid of a plug blades foot of the attaching plug of above-mentioned 4th preferred embodiment according to the present invention Schematic diagram.
Figure 24 is the stereoscopic schematic diagram of an attaching plug of one the 5th preferred embodiment according to the present invention.
Specific embodiment
It is described below to disclose the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description The present invention basic principle can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that the present invention exposure in, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instructions such as " outer " or position close System is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to Show or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore above-mentioned art Language is not considered as limiting the invention.
In the present invention, term " one " is interpreted as " one or more " in claim and specification, i.e., in a reality Example is applied, the quantity of an element can be one, and in a further embodiment, the quantity of the element can be multiple.Unless There are one the quantity for clearly illustrating the element in the exposure of the present invention, and otherwise term " one " can not be interpreted as unique or single One, term " one " is it is not intended that limitation to quantity.
Shown in Fig. 2 to Fig. 8 of refer to the attached drawing, an attaching plug of one first preferred embodiment according to the present invention is shown And its manufacturing method.The attaching plug 1 includes three plug blades feet 10, a stent 20 and a housing 30, wherein the plug Piece foot 10 can be positioned apart from the stent 20, and the plug blades foot 10 is through the stent 20, wherein described Stent 20 is coupled to the housing 30, the plug blades foot 10 is securely mounted at the housing by the stent 20 30, the attaching plug 1 is made.It is worth noting that, the power supply of the first preferred embodiment according to the present invention Plug 1 is only illustratively embodied as national standard formula core electric power plug, that is to say, that the three plug blades foot 10 is in gore It puts, to meet requirement of the international standard to core electric power plug.It will be appreciated by those skilled in the art that the power supply of the present invention Plug 1 can also be two core attaching plugs or multi-core power plug.
More specifically, as shown in Figure 4 and Figure 5, the plug blades foot 10 includes one and is inserted into the connection tail portion 12 of head 11 and one. The head 11 of being inserted into is made of a part of of a cylindrical material M by pounding pressure, described slotting with laminated structure to be formed Enter head 11 so that the insertion head 11 and the slotting cabin of a socket of the plug blades foot 10 match, for being inserted with described Seat is electrically connected in a manner of grafting.The connection tail portion 12 is molded by another part of the cylindrical material 20 without pounding pressure. In other words, the connection tail portion 12 integrally extends back from the rear end 111 for being inserted into head 11, and is pounding pressure institute When stating cylindrical material 20 to form the insertion head 11, when the connection tail portion 12 can be pressed because not pounded described in holding Original shape of cylindrical material 20.
Preferably, the connection tail portion 12 has a riveting space of lines 121, for connecting a power cord 40, so as to by described in Blind plug piece foot 10 is connect in which can be powered with the power cord 40.It is worth noting that, the riveting space of lines 121 can be carried out For the space of such as groove or hole etc., convenient for the affixed power cord.
It is highly preferred that the riveting space of lines 121 is implemented as the riveting line formed by the cylindrical material 20 through drilling Hole, and an opening 1211 of the riveting space of lines 121 is directed away from the direction for being inserted into head 11 so that the connection tail The riveting space of lines 121 in portion 12 suitable for a conducting wire be inserted into, and then in a manner of riveting by the conducting wire riveting in the connection In the riveting space of lines 121 of tail portion 12, for the blind plug piece foot 10 to be connect in which can be powered with the conducting wire.
Significantly, since the connection tail portion 12 of the blind plug piece foot 10 is passed through by the cylindrical material 20 It crosses drilling and is made, so that the connection tail portion 12 has the riveting space of lines 121, therefore the connection tail portion 12 is inserted with described Enter head 11 to be made of same cylindrical material 20, that is to say, that the blind plug piece foot 10 is passed through by the cylindrical material 20 It integrally fabricates so that the insertion head 11 of the blind plug piece foot 10 and the connection tail portion 12 have Phase same material.
Preferably, as shown in fig. 7, the shape of the cylindrical material M is implemented as a cylinder, to reduce by the column The corner angle and burr on 10 surface of plug blades foot that body material M is manufactured into so that the surface of the plug blades foot 10 keeps flat It is sliding.It should be appreciated that the shape of the material of main part 20 can also be implemented as the cylinder of other shapes, such as elliptic cylindrical, Rectangular cylinder or polygon cylinder etc..
It is highly preferred that as shown in Figure 4 and Figure 5, a diameter of 3.6~3.9mm of the cylindrical material M, so as to by pounding pressure After processing is to be made the plug blades foot 10, the size of the plug blades foot 10 meets national standard (or international standard).Citing Ground, the thickness D on the insertion head 11 of the plug blades foot 10 is 1.4~1.5mm, and the width W on the insertion head 11 is 6.22~6.4mm.
However, the insertion head 11 due to the plug blades foot 10 is pressed by pounding, to improve the insertion head The material molecule structure in portion 11, and then increase the hardness for being inserted into head 11, to prevent in plug blades foot 10 described in grafting to institute When stating socket, the pin head 11 of the plug blades foot 10 is deformed or is damaged due to hardness is inadequate.At the same time, by In the connection tail portion 12 of the plug blades foot 10 without pounding pressure, therefore the hardness of the connection tail portion 12 does not change, To prevent the connection tail portion 12 when rigidity becomes larger in power cord described in riveting when fracture or damaged occurs.In other words, Although the insertion head 11 and the connection tail portion 12 are made of identical material, by the insertion head 11 and institute Connection tail portion 12 is stated because of processing method difference so that the hardness for being inserted into head 11 is more than the hardness of the connection tail portion 12, While to ensure that the insertion head 11 has enough hardness with safe socket, the hardness of the connection tail portion 12 can also meet The needs of power cord described in riveting, so as to well solved it is described insertion head 11 with it is described connection tail portion 12 to hardness not Same demand.
It is noted that the material of the cylindrical material M is implemented as the conductive materials such as metal.Preferably, institute The metal material that cylindrical material M is such as copper, silver or alloy etc. is stated, to ensure that it is good that the cylindrical material M has Electric conductivity, hardness and toughness.It is highly preferred that the copper content of the cylindrical material M is not less than 60%, hardness is 90~100.Ability Field technique personnel should be appreciated that the hardness of metal material corresponds, and hardness is bigger with the intensity of metal material, intensity Bigger, therefore, the intensity for being inserted into head 11 is also greater than the intensity of the connection tail portion 12 so that insertion 11 energy of head Larger external force is enough born, is easily deformed to prevent the insertion head 11.
It is noted that in traditional manufacture, traditional plug blades foot is made by pellet material, because The hardness of this traditional plug blades foot is heavily dependent on the performance of material in itself, therefore relatively low for some hardness Material can not be used for making, and by the processing method of the present invention, it can be with the performance in reinforcement material precalculated position, such as Degree so that the smaller material of some hardness is also suitable, so as to the selectable range of expansion material.
In addition, as shown in figure 4, in order to more convenient and the plug blades foot 10 easily is inserted into the socket, it is described The front end 112 on the insertion head 11 of plug blades foot 10 is handled by fillet, in the front end for being inserted into head 11 112 formed a fillet surfaces 1121 so that it is described be inserted into head 11 the front end 112 from back to front in decrement shape, so as to will The socket is inserted on the insertion head 11.In other words, the front end on the insertion head 11 of the plug blades foot 10 112 thickness is less than the integral thickness for being inserted into head 11, to help the insertion head 11 being inserted into the socket The slotting cabin conducting terminal.
As shown in fig. 7, the riveting space of lines 121 of the connection tail portion 12 of the plug blades foot 10 is in a manner of drilling It is made into, and the aperture of the riveting space of lines 121 can be designed according to the size of the power cord, so that the riveting line is empty Between 121 match with the power cord, and then convenient for by the power cord securely riveting in the riveting space of lines 121.It changes Sentence is talked about, and the riveting space of lines 121 of the connection tail portion 12 is formed by cylindrical material M interior spaces in itself, completely Be closed, without seam, in order to more securely, securely connect power cord.Preferably, the riveting line of the connection tail portion 12 is empty Between 121 wall thickness not less than 0.5mm, to prevent the riveting space of lines 121 when wall thickness is too small in riveting when rupture, while Help to provide enough chucking powers, and then prevent the power cord from unintentionally or unexpectedly being loosened from the riveting space of lines 121 Or it is detached from.
For the ease of the power cord to be inserted into the riveting space of lines 121 of the connection tail portion 12, to the connection tail The edge of opening 1212 of the riveting space of lines 121 in portion 12 carries out chamfer machining, so that the opening of the riveting space of lines 121 1211 size is more than the lateral dimension of the riveting space of lines 121.In other words, the opening of the riveting space of lines 121 1211 diameter is more than the internal diameter of the riveting space of lines 121, so that the power cord is inserted into the riveting space of lines 121.In addition, The edge of opening 1212 of the riveting space of lines 121 is after chamfering, the edge of opening 1212 of the riveting space of lines 121 It place will not be there are sharp cut mark, to avoid the edge of opening 1212 of riveting space of lines 121 described in riveting power cord Damage the power cord.
Preferably, as shown in figure 5, the riveting space of lines 121 of the connection tail portion 12 has a circular cross section, to protect The uniform wall thickness of the riveting space of lines 121 is held, and then ensures the even intensity of the connection tail portion 12, and keep enough tough Property, while by the power cord, securely riveting is in riveting space of lines 121 of the connection tail portion 12, also can It prevents the connection tail portion 12 from being ruptured due to intensity is uneven, and then can also avoid because described in the connection tail portion 12 The wall of riveting space of lines 121 ruptures and causes the power cord exposed, so as to be effectively prevented from sending out due to the power cord is exposed Raw short circuit accident.It will be appreciated by those skilled in the art that the riveting space of lines 121 can also have such as ellipse or polygon The cross section of shape etc. shape.
It is highly preferred that the center line of the connection tail portion 12 of the plug blades foot 10 and the center for being inserted into head 11 Line overlaps, and for straight line, during being arranged at the stent 20 of the attaching plug 1 in the plug blades foot 10, phase The connection tail portion 12 of the adjacent plug blades foot 10 will not contact with each other, and then prevent the adjacent plug due to inclination Due to contact short circuit accident occurs for piece foot 10.
Most preferably, it is described connection tail portion 12 the riveting space of lines 121 along the plug blades foot 10 the connection The center line extension of tail portion 12, so that the center line of the riveting space of lines 121 is overlapped with the center line of the connection tail portion 12, into And convenient in power cord described in riveting, accurately finding out riveting central point, to prevent the power cord because occurring during inclination mutually Contact, so as to further reduce the risk that short circuit accident occurs.
First preferred embodiment according to the present invention, three plug blades feet 10 of the attaching plug 1 are by between The stent 20 of the attaching plug 1 is fixedly arranged on every ground, and the slotting cabin phase of the plug blades foot 10 and corresponding socket Match so that the plug blades foot 10 of the attaching plug 1 is inserted into the slotting cabin of the socket, to be electrically connected It connects.It will be appreciated by those skilled in the art that the size and position relationship of the plug blades foot 10 not only can be according to corresponding institutes It states socket to be designed, can also be designed according to international standard, can also be designed according to American standard, with specific reference to It is selected, the concrete type of the attaching plug 1 is not limited in the present invention.Citing ground, for triangle state Border formula core electric power plug, three plug blades feet are arranged in equilateral triangle, i.e., the central point of described plug blades foot is located at positive triangle Three apexes of shape, and the length of plug blades foot being connected in the plug blades foot with ground wire is slightly longer than other two plug The length of piece foot.
Preferably, as shown in fig. 6, the stent 20 is located at the insertion head 11 of the plug blades foot 10 and the company Connect the junction between tail portion 12, that is to say, that the stent 20 is in the insertion head 11 of the plug blades foot 10 The rear end 111, and the stent 20 integrally extands rearward to the company from the rear end 111 for being inserted into head 11 Tail portion 12 is connect, so that the stent 20 is attached to the insertion head 11 of the plug blades foot 10 and the connection tail portion simultaneously 12, so as to which the plug blades foot 10 is stably attached to the stent 20, and then by the stent 20 by the plug blades Foot 10 is installed to the housing 30, to be assembled into the attaching plug 1.
As soon as significantly, since the insertion head 11 of the plug blades foot 10 have rectangular cross section, It is to say, the cross section for being inserted into head 11 is non-circular, therefore is arranged at 10 nothing of plug blades foot of the stent 20 Method is rotated relative to the stent 20, to prevent the plug blades foot 10 because pine occurs relative to the stent 20 during rotation It is dynamic.In addition, since the connection tail portion 12 of the plug blades foot 10 has a circular cylindrical cross-section, and the connection tail portion 12 overall diameter is more than the thickness D for being inserted into head 11, while the overall diameter of the connection tail portion 12 is less than institute State the width W for being inserted into head 11 so that positioned at the insertion head 11 of the plug blades foot 10 and the connection tail portion The stent 20 of junction between 12 can not be moved forward and backward along the plug blades foot 10, to strengthen the plug blades foot 10 With the connectivity robustness of the stent 20, it can be effectively prevented between the plug blades foot 10 and the stent 20 and loosen And slip, to extend the service life of the attaching plug 1.Stated differently, since the insertion head of the plug blades foot 10 The shape and size of portion 11 and the connection tail portion 12 are different, therefore 12 energy of connection tail portion of the plug blades foot 10 It is enough stably fixed in the stent 20 of the attaching plug 1, to prevent between the plug blades foot 10 and the stent 20 The safe handling of the attaching plug 1 is influenced due to generation activity, so can extend the attaching plug 1 service life and Safe class.
It is highly preferred that the stent 20 is directly formed on the plug blades foot injection molding machine in a manner of injection molding 10, by the plug blades foot 10 positioningly and compartment of terrain is fixedly arranged on the stent 20 so that the stent 20 and the plug It is closely contacted between piece foot 10, to further increase the bonding strength between the stent 20 and the plug blades foot 10, with It is anti-to be loosened between the plug blades foot 10 and the stent 20.
It should be appreciated that in some other embodiments of the present invention, between the stent 20 and the plug blades foot 10 It can be attached by other means, for example, the stent 20 is by the assembled and adjacent stent of multiple stent fragments The junction phase between the insertion head 11 of the plug blades foot 10 and the connection tail portion 12 is formed between fragment The mounting hole matched, so that the plug blades foot 10 to be held in the mounting hole of the stent 20 in the assembled stent 20 Place, and then is removably fixedly arranged on the stent 20 by the plug blades foot 10, that is to say, that the plug blades foot 10 can be with The stent 20 is detachably connected.
Most preferably, as shown in fig. 6, the stent 20 has 11 phase of insertion head with the plug blades foot 10 The boss 21 matched, wherein the boss 21 integrally extends forward from the stent 20, and the boss 21 be coated on it is described The rear end 111 on the insertion head 11 of plug blades foot 10, to further enhance the plug blades foot 10 and the stent 20 bonding strength, and then extend the service life of the attaching plug 1.It is noted that the lateral ruler of the boss 21 Very little and shape is designed according to the opening in the slotting cabin of the socket so that when the attaching plug 1 is inserted into the socket When, the boss 21 blocks the opening in the slotting cabin of the socket just, to prevent described in the entrance of the sundries such as clast Socket, and then enhance the safety of the attaching plug 1.
It is noted that the stent 20 further includes an identification piece, wherein the identification piece is arranged at the stent 20 outer surface, so that people easily recognize by the identification piece relevant information of the attaching plug 1, for example, institute Identification piece is stated for showing relevant parameters such as model, trade mark, the current or voltage of the attaching plug 1 etc..It should be appreciated that The identification piece may be implemented as directly being molded in injection molding processes, can also be implemented as in injection molding It is scribed after process by means such as mould quarters in the outer surface of the stent 20.In addition, the identification piece can also lead to The outer surface such as pasted, quarter etc. means is pressed to be arranged at the stent is crossed, so that people easily obtain related letter Breath.
In order to further enhance the bonding strength between the plug blades foot 10 and the stent 20, described in the present invention In first preferred embodiment, the insertion head 11 of the plug blades foot 10 of the attaching plug 1 further includes at least one and prevents De- part 113, wherein the anti-falling piece 113 is arranged at the rear end 111 for being inserted into head 11, and when the plug blades When foot 10 is arranged at the stent 20, the stent 20 coats the anti-falling piece 113, to enhance the plug to the maximum extent Bonding strength between piece foot 10 and the stent 20, and then the stent 20 is stably attached to the insertion head 11 Near the rear end 111, come off or be detached from from the rear end 111 for being inserted into head 11 to prevent the stent 20, so as to The enough service life for effectively extending the stent 20.
Preferably, as shown in Figure 4 and Figure 6, the anti-falling piece 113 is implemented as a through-hole 1131, wherein the through-hole 1131 are penetratingly formed in the rear end 111 for being inserted into head 11, so as to when by being molded to form the stent 20, A part for the stent 20 is shaped in the through-hole 1131, to increase the stent 20 and the attachment for being inserted into head 11 Power, and then be effectively prevented the stent 20 and come off or be detached from from the insertion head 11.At the same time, in injection molding operation, The through-hole 1131 can shorten the distance of plastics injection, be also beneficial to plastic shaping, and reduce sewing effect, increase the branch The acceptance rate of frame 20.
It is highly preferred that as shown in figure 5, the through-hole 1131 in a manner of drilling from it is described be inserted into head 11 upper surface 114 are through to the lower surface 115 for being inserted into head 11, i.e., described through-hole 1131 is along the thickness direction for being inserted into head 11 It is penetratingly formed in the insertion head 11, to shorten the distance of plastics injection to the maximum extent.Those skilled in the art should Understand, the through-hole 1131 can also be penetratingly formed along the width direction for being inserted into head 11 in institute in a manner of drilling It states and is inserted into head 11, equally to play the purpose of the fixed stent 20.
Most preferably, the through-hole 1131 is implemented as a circular through hole, to prevent the plug blades foot 10 in the through-hole Tip is formed at 1131, and then avoids that point discharge occurs and generates amount of heat, so as to prevent the stent 20 because of temperature liter It is high and problem of aging occurs, to extend the service life of the stent 20.
In some other embodiments of the present invention, the anti-falling piece 113 can also be implemented as protrusion or groove, be used for Enhance the bonding strength between the plug blades foot 10 and the stent 20, to prevent the stent 20 because being detached from described insert during loosening Enter head 11.
As shown in Figure 7 and Figure 8, the manufacture of the attaching plug 1 of above-mentioned preferred embodiment according to the present invention is shown Method.The manufacturing method of the attaching plug 1 includes the following steps：
S1：The one end of flat cylindrical material M is pounded, to form an insertion of a plug blades foot 10 of the attaching plug 1 Head 11；
S2：It drills in the other end of the cylindrical material M, to form the one of the plug blades foot 10 connection tail portion 12 One riveting space of lines 121；
S3：The junction in the insertion head 11 and the connection tail portion 12 is molded, in insertion 11 He of head The junction of the connection tail portion 12 forms a stent 20；And
S4：The fixed stent 20 is in a housing 30 of the attaching plug 1, so that the housing 30 coats the plug The connection tail end 12 of piece foot 10.
It is worth noting that, in the step S1, the cylindrical material M is preferably a cylinder, and the column The length of body material M is 27~33mm, a diameter of 3.6~3.9mm of the cylindrical material M.
In addition, the cylindrical material M pounds flat machine execution by one pounds flat process.Preferably, it is described to pound flat machine and be implemented as Vertical pump single arm hydrodynamic press, to pound flat machine by described and repeatedly pound flat process to cylindrical material M execution the institute is made State the insertion head 11 of plug blades foot 10 so that the intensity for being inserted into head 11 and hardness are improved.
It is highly preferred that the length on the insertion head 11 of the plug blades foot 10 is implemented as 23~25mm, it is described to insert The thickness D for entering head 11 is implemented as 1.4~1.5mm, and the width W for being inserted into head 11 is implemented as 6.22~6.4mm.
Most preferably, it is described to pound flat machine 3~5min is arranged to the flat processing time of pounding of the cylindrical material M, with true Protecting the insertion head 11 of the plug blades foot 10 has the smooth upper surface 114 and the lower surface 115, while It can be ensured that the insertion head 11 is hit tight, to meet the requirement to the hardness for being inserted into head 11, intensity and size.
It is noted that in the step S2, the cylindrical material M performs drilling operating by a drilling machine.It is excellent Selection of land, the drilling machine are implemented as a full-automatic drilling machine, and by the bore diameter that the drilling machine drills out for 2~ 5mm。
Further comprise a step in the step S2：It drills in the insertion head 11 of the plug blades foot 10 One rear end 111, to form a through-hole 1131 in the rear end 111 for being inserted into head 11.That is, in the institute of the present invention It states in preferred embodiment, the anti-falling piece 113 of the through-hole 1131 for the insertion head 11 of the plug blades foot 10, with Increase the insulating layer 13 and the adhesive force for being inserted into head 11, to prevent the insulating layer 13 generation loosening from the insertion Head 11 comes off.
In addition, in the step S3, the plug blades foot 10 performs Shooting Technique by an injection molding apparatus, it will Plastic injection is inserted into described at the through-hole 1131 on head 11, to form the stent 20 so that the stent 20 is secured Ground is coated on the rear end 111 for being inserted into head 11.Preferably, the injection molding apparatus is implemented as an injection moulding Machine.
It is noted that in the step S4, the stent 20 and the housing 30 by being such as clamped, being spirally connected, Interlocking etc. fixed connection mode is removably joined together, and to dismantle the stent 20 and the housing 30 as needed, is used Be exposed in by the connection tail end 12 of the plug blades foot 10, so as to by the power cord riveting of a power cord in the company It connects in the riveting space of lines 121 of tail end 12, with the plug blades foot 10 and the power cord of being electrically connected.In other words, it is described The stent 20 of attaching plug 1 is removably attachable to the housing 30 of the attaching plug 1, with contribute to maintenance and Repair the attaching plug 1.
It is worth noting that, in some other embodiments of the present invention, the stent 20 and the housing 30 are integrally Connection, and will be described in the power cord of power cord and the plug blades foot 10 before the stent 20 is connect with the housing 30 Connection tail end 12 is electrically connected.In other words, the housing 30 is formed on by way of injection on the stent 20, with institute Stent 20 is stated to be integrally connected to form the complete attaching plug 1.
Preferred embodiment according to the present invention, in the manufacturing method of the attaching plug 1, the step S1 is into one Step includes the following steps：
The circumferential edges for being inserted into head 11 are cut, to adjust the shape and size for being inserted into head 11 so that described The size for being inserted into head 11 meets related request and standard；With
A front end 112 on head 11 is inserted into described in fillet, to form a circle in the front end 112 for being inserted into head 11 Angle curved surface 1121 so that the front end 112 for being inserted into head 11 is from back to front in decrement shape.
Preferably, the front end 112 for being inserted into head 11 has the fillet that radius is 5~7mm.
It is highly preferred that in the step S1, the junction for being inserted into head 11 and the connection tail portion 12 is processed, with The insertion head 11 and the junction of the connection tail portion 12 is made to be processed into support shape, to enhance the insertion head 11 and institute The bonding strength of connection tail portion 12 is stated, and then prevents the insertion head 11 with the junction for connecting tail portion 12 because outer Power and be broken.
It is worth noting that, as shown in figure 8, in the manufacturing method of the attaching plug 1, in the step S2 further Include the following steps：
The burr of the plug blades foot 10 is removed, to keep the surface of the plug blades foot 10 smooth；With
An anti-oxidation paint is coated in the surface of the plug blades foot 10, it is anti-to form one on the surface of the plug blades foot 10 Aoxidize enamelled coating.
Preferably, in the burr for removing the plug blades foot 10, with the step for keeping the surface of the plug blades foot 10 smooth In rapid, the burr of the plug blades foot 10 is removed by a lapping machine, and going for burr is observed using subtle mirror Except degree.It will be appreciated by those skilled in the art that the subtle mirror can be, but not limited to be implemented as an electron microscope.
Shown in Fig. 9 and Figure 12 of refer to the attached drawing, show that the power supply of the second preferred embodiment according to the present invention is inserted Head and its manufacturing method.Due to when the attaching plug is used, can usually encounter situations below：When the attaching plug When the socket is inserted into the front end 112 on the insertion head 11 of the 1 plug blades foot 10, the insertion head 11 The front end 112 with the conductive terminal contacts of the socket and be powered so that it is described be inserted into head 11 the rear end 111 Energized state is also at, it is still exposed in the outside of the socket however, as the rear end 111 for being inserted into head 11, because This user or conductor are very easy to touch the rear end 111 for being inserted into head 11, so easily occur to get an electric shock or Short circuit accident.
Therefore, in order to avoid because it is described be inserted into head 11 the rear end 111 it is exposed due to cause get an electric shock or short circuit accident, phase Than being inserted in the power supply of the first preferred embodiment according to the present invention, the second preferred embodiment according to the present invention Head 1' difference lies in：The plug blades foot 10 of the attaching plug 1' further comprises an insulating layer 13, wherein described exhausted Edge layer 13 is coated on the rear end 111 for being inserted into head 11, so that the insulating layer 13 is located at close to the connection tail portion 12 position, and then will be coated in the insertion head 11 close to the part of the connection tail portion 12 by the insulating layer 13 Come, to prevent unintentionally or unexpectedly touching the rear end 111 for being inserted into head 11.
Significantly, since in the rear end 111 on the insertion head 11 of the plug blades foot 10, there are institutes Insulating layer 13 is stated, therefore the stent 20 of the attaching plug 1' is partly coated on the outside of the insulating layer 13, to increase The strong insulating layer 13 is attached to the fastness of the plug blades foot 10, and then the insulating layer 13 is avoided to be detached from the plug blades Foot 10.
Preferably, the insulating layer 13 is arranged at the insertion head 11 of the plug blades foot 10 by Shooting Technique The rear end 111 so that the plug blades foot 10 have protection against electric shock or anti-short-circuit function.It should be appreciated that the insulating layer 13 It can be, but not limited to be made up of Shooting Technique of ambroin, the insulating layer 13 can also be by the colloid that such as insulate, insulation Rubber or insulated paint etc. insulating materials are made.
It is worth noting that, in second preferred embodiment of the present invention, the plug of the attaching plug 1' The anti-falling piece 113 of piece foot 10 is used to enhance the adhesive force between the insulating layer 13 and the plug blades foot 10, to prevent institute Insulating layer 13 is stated to loosen.
Specifically, as shown in Figure 10 and Figure 11, the anti-falling piece 113 is implemented as a through-hole 1131, wherein the through-hole 1131 are penetratingly formed in the rear end 111 for being inserted into head 11, so as to by being molded to form the insulating layer 13 When, a part for the insulating layer 13 is shaped in the through-hole 1131, to increase the insulating layer 13 and the insertion head 11 adhesive force, and then be effectively prevented the insulating layer 13 and come off or be detached from from the insertion head 11.At the same time, it is noting When moulding operation, the through-hole 1131 can shorten the distance of plastics injection, be also beneficial to plastic shaping, and reduce sewing effect, Increase the acceptance rate of the insulating layer 13.
Preferably, the through-hole 1131 is through to described in a manner of drilling from the upper surface 114 for being inserted into head 11 Be inserted into head 11 lower surface 115, i.e., described through-hole 1131 along it is described be inserted into head 11 thickness direction be penetratingly formed in The insertion head 11, to shorten the distance of plastics injection to the maximum extent.It will be appreciated by those skilled in the art that the through-hole 1131 can also be penetratingly formed along the width direction for being inserted into head 11 in the insertion head 11 in a manner of drilling, Equally to play the purpose of the fixed insulating layer 13.
It is highly preferred that the through-hole 1131 is implemented as a circular through hole, to prevent the plug blades foot 10 in the through-hole Tip is formed at 1131, and then avoids that point discharge occurs and generates amount of heat, so as to prevent the insulating layer 13 because of temperature It increases and problem of aging occurs, to extend the service life of the insulating layer 13.
Most preferably, the diameter of the through-hole 1131 is implemented as 2.4~2.6mm, the outer edge of the through-hole 1131 with The distance between described outer edge of the front end 112 for being inserted into head 11 is 21.5~21.8mm, to ensure the insertion head The length in portion 11 meets national standard.
As shown in figure 12, the manufacturing method of the attaching plug 1' includes the following steps：
S1’：The one end of flat cylindrical material M is pounded, is inserted with forming the one of a plug blades foot 10 of the attaching plug 1' Enter head 11；
S2’：It drills in the other end of the cylindrical material M, to form the one of the plug blades foot 10 connection tail portion 12 A riveting space of lines 121；
S3’：It is molded in the insertion head 11, to form an insulating layer 13 in the rear end 111 for being inserted into head 11；
S4’：The junction in the insertion head 11 and the connection tail portion 12 is molded, in insertion 11 He of head The junction of the connection tail portion 12 forms a stent 20；And
S5’：The fixed stent 20 is in a housing 30 of the attaching plug 1', so that the housing 30 coats described insert The connection tail end 12 of head piece foot 10.
It is worth noting that, in the step S3 ', the plug blades foot 10 performs injection by an injection molding apparatus Plastic injection is inserted into described at the through-hole 1131 on head 11, to form the insulating layer 13 so that described by technique Insulating layer 13 is coated on the rear end 111 for being inserted into head 11 securely.Preferably, the injection molding apparatus is carried out For an injection (mo(u)lding) machine.
Shown in Figure 13 and Figure 14 of refer to the attached drawing, show that the described of the second preferred embodiment according to the present invention inserts One first alternating pattern of head piece foot.It is according to the present invention compared to the second preferred embodiment according to the present invention The insertion head 11A of the plug blades foot 10 of first alternating pattern difference lies in：It is described to be inserted into the described of head 11A Anti-falling piece 113A is implemented as a pair of of protrusion 1131A, described in one of them described protrusion 1131A from the insertion head 11A Upper surface 114 integrally upwardly extend and another protrusion 1131A from it is described be inserted into head 11A the lower surface 115 It integrally extends downwardly, and the protrusion 1131A is located at the rear end 111 for being inserted into head 11A, with by described prominent It plays 1131A to cooperate with the insulating layer 13, for the insulating layer 13 to be coated on the insertion head 11A's securely The rear end 111, to prevent the insulating layer 13 because being detached from the insertion head 11A during loosening.At the same time, due to the insertion The rear end 111 of head 11A does not reduce the cross-sectional area for being inserted into head 11A, the correspondingly insertion due to drilling The resistance of the rear end 111 of head 11A will not become larger suddenly, therefore can be effectively prevented from the insertion head 11A's The rear end 111 generates a large amount of heat, and then prevents the insulating layer 13 from occurring due to heating rotten or damaging.
It will be appreciated by those skilled in the art that in some embodiments of the invention, the anti-falling piece 113A can also be by It is embodied as the protrusion integrally extended downwardly from the upper surface 114 for being inserted into head 11A or can also be carried out For the protrusion integrally extended downwardly from the lower surface 115 for being inserted into head 11A.In addition, in the present invention in addition In some embodiments, the anti-falling piece 113A can also be implemented as from the side of the rear end 111 for being inserted into head 11A Edge integrally outwardly extending protrusion prevents the insulating layer 13 from slipping away the effect for being inserted into head 11A equally to play.
It is worth noting that, the protrusion 1131A can be, but not limited to be inserted into head 11A's described in a manner of pounding pressure The rear end 111 is machined from, that is to say, that forms the plug blades in the one end for pounding the flat cylindrical material M During the insertion head 11A of foot 10, the protrusion 1131A is formed in the rear end 111 for being inserted into head 11A, then When forming the insulating layer 13 by being moulded in the rear end 111 for being inserted into head 11A, the insulating layer 13 coats residence The rear end 111 for being inserted into head 11A is stated, and the protrusion 1131A is coated in the insulating layer 13, with by described Protrusion 1131A increases the insulating layer 13 and the adhesive force being inserted between the 11A of head, so prevent the insulating layer 13 because It loosens and comes off from the insertion head 11A.
In some other embodiments of the present invention, the protrusion 1131A can also be in a manner of cutting in the insertion The rear end 111 of head 11A is machined from.Particularly, in the circumferential edges for cutting the insertion head 11A, easily exist The lateral edges of the rear end 111 for being inserted into head 11A are processed to form the protrusion 1131A, with play prevent it is described Insulating layer 13 is detached from the effect for being inserted into head 11A.
Shown in Figure 15 and Figure 16 of refer to the attached drawing, show that the described of above-mentioned second preferred embodiment according to the present invention inserts One second alternating pattern of head piece foot.It is according to the present invention compared to the second preferred embodiment according to the present invention The insertion head 11B of the plug blades foot 10 of second alternating pattern difference lies in：It is described to be inserted into the described of head 11B Anti-falling piece 113B is implemented as a groove 1131B, wherein the groove 1131B from it is described be inserted into head 11B the upper surface 114 form to lower recess, and the groove 1131B is located at the rear end 111 for being inserted into head 11B, with described in increase Insulating layer 13 and the adhesive force being inserted between the 11B of head, to prevent described in the insulating layer 13 from the insertion head 11B Rear end 111 comes off.It will be appreciated by those skilled in the art that the groove 1131B can also be formed on the insertion head 11B The lower surface 115, can also be formed on it is described be inserted into head 11B the rear end 111 the lateral edges.
It is worth noting that, the groove 1131B can be, but not limited to be inserted into head 11A's described in a manner of pounding pressure The rear end 111 is machined from, that is to say, that forms the plug blades in the one end for pounding the flat cylindrical material M During the insertion head 11A of foot 10, the groove 1131B is formed in the rear end 111 for being inserted into head 11A.
Shown in Figure 17 and Figure 18 of refer to the attached drawing, show that the described of above-mentioned second preferred embodiment according to the present invention inserts The one third alternating pattern on the insertion head of head piece foot.Compared to the second preferred embodiment according to the present invention, root According to the present invention the third alternating pattern the plug blades foot 10 the insertion head 11B difference lies in：It is described to insert Enter head 11C and further comprise a recess section 116C, wherein the recess section 116C be located at it is described be inserted into head 11B it is described after End 111, and it is described be inserted into head 11C the recess section 116C cross section be less than it is described be inserted into head 11C it is described before The cross section at end 112, wherein the insulating layer 13 is coated on the recess section 116C for being inserted into head 11C, to prevent described Insulating layer 13 slip away it is described be inserted into head 11C the recess section 116C.In other words, it is described to be inserted into the described recessed of head 11C The outer surface for falling into section 116C is recessed inwardly relative to the outer surface of the front end 112 for being inserted into head 11C, and passes through injection The insulating layer 13 formed at the recess section 116C of the insertion head 11C is securely limited in the insertion head At the recess section 116C of portion 11C, come off to prevent the insulating layer 13 from the insertion head 11C.
Preferably, the thickness of the insulating layer 13 is equal to the recess section 116C for being inserted into head 11C and is recessed inwardly Depth so that the outer surface of the insulating layer 13 with it is described be inserted into head 11C the front end 112 flush with outer surface, into And so that the overall surface for being inserted into head 11C is smooth, the plug blades foot 10 is hindered to be inserted into institute to prevent the insulating layer 13 The slotting cabin of socket is stated, while the insulating layer 13 can also be avoided to be worn by the slotting cabin of the socket to the maximum extent And destruction, to extend the service life of the insulating layer 13.
It is worth noting that, described be inserted at the recess section 116C of head 11C can also be provided with the anti-falling piece 113rd, 113A, 113B, further to increase the insulating layer 13 and the adhesive force for being inserted into head 11C, to prevent the insulation Layer 13 loosens.In other words, the recess section 116C for being inserted into head 11C can be equipped with the through-hole 1131, The protrusion 1131A can be equipped with, the groove 1131B is also provided with, the insulating layer 13 is prevented from institute equally to reach It states and is inserted into the effect that head 11C slides.
Shown in Figure 19 and Figure 21 of refer to the attached drawing, show that the power supply of third preferred embodiment according to the present invention is inserted Head and its manufacturing method.Compared to the first preferred embodiment according to the present invention, third according to the present invention is preferable It is in place of the difference of the attaching plug 1 " of embodiment：The attaching plug 1 " is implemented as two core power supply of a national standard formula and inserts Head, wherein the attaching plug 1 " includes two plug blades feet 10, and the plug blades foot 10 parallelly and is spaced Ground is set to the stent 20 of the attaching plug 1 ", in addition, the stent 20 of the attaching plug 1 " and the housing 30 are integrally connected, and the plug blades foot 10 is stably attached to the housing 30 by the stent 20, and then are made The attaching plug 1 ".
Preferably, the stent 20 and the housing 30 are integrally manufactured into type in a manner of injection, hermetically to wrap The connection tail portion 12 of the plug blades foot 10 is wrapped up in, while is enhanced to the maximum extent between the stent 20 and the housing 30 Bonding strength.It will be appreciated by those skilled in the art that since the stent 20 and the housing 30 are integrally formed, cause once It is non-dismountable between the stent 20 and the housing 30 after injection molding, therefore, institute is formed on the plug blades foot 10 Before stating stent 20 and the housing 30, the connection tail portion 12 of the plug blades foot 10 will be electrically connected with power cord 40, with Ensure the normal use of the attaching plug 1 ".It is worth noting that, the stent 20 and the housing 30 can be simultaneously with notes The mode of modeling is formed by integrally manufacture；It can also first be molded to form the stent 20 on the plug blades foot 10, then It is molded to form the housing 30 on the stent 20 again, equally realizes that the stent 20 integrally connects with the housing 30 It connects.
It is noted that as second embodiment according to the present invention, third according to the present invention The plug blades foot 10 of the attaching plug 1 " of embodiment can also include an insulating layer 13, to enhance the attaching plug 1 " security performance.
According to another aspect of the present invention, invention further provides the manufacturing methods of an attaching plug 1 ".Specifically, As shown in figure 21, the manufacturing method of the attaching plug 1 " includes the following steps：
S1”：The one end of flat cylindrical material M is pounded, is inserted with forming the one of a plug blades foot 10 of the attaching plug 1 " Enter head 11；
S2”：It drills in the other end of the cylindrical material M, to form the one of the plug blades foot 10 connection tail portion 12 A riveting space of lines 121；And
S3”：It is molded in the plug blades foot 10, to form a stent 20 of the attaching plug 1 " and a housing 30, Described in stent 20 be located at the plug blades foot 10 the insertion head 11 and it is described connection tail portion 12 the junction, institute State the connection tail portion 12 that housing 30 coats the plug blades foot 10.
It is worth noting that, further include a step between the step S2 " and the step S3 "：One power cord of riveting 40 in the riveting space of lines 121 of the connection tail portion 12 of the plug blades foot 10.
Shown in Figure 22 and Figure 23 of refer to the attached drawing, show that the power supply of the 4th preferred embodiment according to the present invention is inserted Head and its manufacturing method.Compared to the first preferred embodiment according to the present invention, the according to the present invention 4th preferably It is in place of the difference of the attaching plug 1D of embodiment：The attaching plug 1D is implemented as three core power supply of America and Japan's formula and inserts Head, that is to say, that the attaching plug 1D includes a two plug blades foot 10D and plug circular foot 50D, wherein the plug blades foot 10D is set in parallel in the stent 20 of the attaching plug 1D, and the plug circular foot 50D is arranged at the stent 20, and it is located at the surface of two plug blades foot 10D, to be arranged with the plug blades foot 10D into isosceles triangle, and then The plug blades foot 10D and the plug circular foot 50D are stably attached to by the housing 30 by the stent 20D, with group Dress up the attaching plug 1D.
Other than the integral arrangement different between pin described above, inserted compared to the national standard formula power supply The plug blades foot 10 of head, the plug blades foot 10D of the attaching plug of America and Japan's formula standard is also different, specifically, such as Figure 23 Shown, the insertion head 11D of the plug blades foot 10D of the attaching plug 1D further has a perforation 117D, Described in perforation 117D be penetratingly formed in the front end 112D for being inserted into head 11D, for being led with power outlet The protrusion of electric terminal matchingly couples, and unintentionally or is unexpectedly detached to prevent the attaching plug 1D from the power outlet, together When can also enhance the firm degree being electrically connected between the plug blades foot 10D and the conducting terminal of the power outlet. Preferably, the perforation 117D is implemented as a circular through hole, wherein the perforation 117D is made by drilling technique, And the perforation 117D extends to the lower surface for being inserted into head 11D from the upper surface for being inserted into head 11D.This field It will be appreciated by the skilled person that the perforation 117D can pass through drilling in process of the drilling to form the riveting space of lines 121 Machine drill hole forms, can also be drilled after the other processes for manufacturing the plug blades foot 10D are completed and be made.
Shown in Figure 23 of refer to the attached drawing, the attaching plug of the 5th preferred embodiment according to the present invention is shown.Phase Than being inserted in the power supply of the 4th preferred embodiment according to the present invention, the 5th preferred embodiment according to the present invention It is in place of the difference of head 1E：The attaching plug 1E is implemented as two core attaching plug of America and Japan's formula, that is to say, that the electricity Source plug 1E includes two plug blades foot 10D, wherein the plug blades foot 10D parallelly and is positioned apart from the power supply The stent 20E of plug 1E, in addition, the stent 20E of the attaching plug 1E is integrally connected with the housing 30, with The plug blades foot 10D is stably attached to, and then the attaching plug is made by the housing 30 by the stent 20E 1E。
In conclusion the structure using expensive material or complexity is not needed in the present invention.Therefore, the present invention success and One solution is effectively provided, an attaching plug and its manufacturing method are not only provided, while also adds the attaching plug Practicability and reliability.
It should be understood by those skilled in the art that foregoing description and attached the embodiment of the present invention shown in figure are only used as illustrating And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.The function and structural principle of the present invention exists It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.

Claims (23)

  1. A 1. attaching plug, which is characterized in that including：
    One housing；
    One stent, wherein the stent can be fixed in the housing；And
    At least two plug blades feet, wherein at least two plug blades feet are positioned apart from the stent, to pass through the branch At least two plug blades feet are fixedly arranged on the housing by frame, wherein the plug blades foot includes：
    One is inserted into head, wherein the insertion head has a laminated structure, wherein the insertion head is by a cylindrical material A part is made by pounding pressure；With
    One connection tail portion, wherein the connection tail portion is molded by the cylindrical material without pounding pressure, wherein the connection tail portion With a riveting space of lines.
  2. 2. attaching plug as described in claim 1, which is characterized in that the riveting space of lines of wherein described connection tail portion is by institute The riveting string holes that cylindrical material is formed by drilling is stated, and an opening of the riveting space of lines is directed away from the insertion head The direction in portion.
  3. 3. attaching plug as described in claim 1, which is characterized in that the wherein described hardness for being inserted into head is more than the connection The hardness of tail portion.
  4. 4. attaching plug as described in claim 1, which is characterized in that wherein described plug blades foot further includes an insulating layer, Described in insulating layer be coated on it is described be inserted into head the rear end.
  5. 5. the attaching plug as described in any in claim 1, which is characterized in that wherein it is described insertion head further comprise to A few anti-falling piece, wherein the anti-falling piece is arranged at the rear end for being inserted into head.
  6. 6. the attaching plug as described in any in Claims 1 to 5, which is characterized in that wherein described stent is in the plug The rear end on the insertion head of piece foot, and the stent integrally prolongs backward from the rear end for being inserted into head The connection tail portion is extended to, so that the stent is attached to the insertion head of the plug blades foot and the connection tail simultaneously Portion.
  7. 7. the attaching plug as described in any in Claims 1 to 5, which is characterized in that wherein described stent is with integrated injection molding Mode is made into, and the plug blades foot is fixedly arranged on the stent.
  8. 8. the attaching plug as described in any in Claims 1 to 5, which is characterized in that wherein described stent is removably set It is placed in the stent.
  9. 9. the attaching plug as described in any in Claims 1 to 5, which is characterized in that wherein described housing can with the stent Releasably connect.
  10. 10. the attaching plug as described in any in Claims 1 to 5, which is characterized in that wherein described housing and the stent with The mode of injection is integrally made into.
  11. 11. the attaching plug as described in any in Claims 1 to 5, which is characterized in that wherein described stent has to be inserted with described Enter the boss that head matches, wherein the boss integrally extends forward from the stent, and the boss is coated on institute State the rear end for being inserted into head.
  12. 12. the attaching plug as described in any in Claims 1 to 5, which is characterized in that the wherein two plug blades feet are spaced It ground and is set in parallel, so that the attaching plug is two core attaching plug of a national standard formula.
  13. 13. the attaching plug as described in any in Claims 1 to 5, which is characterized in that the wherein three plug blades feet are so that institute Attaching plug is stated as a national standard formula core electric power plug.
  14. 14. the attaching plug as described in any in Claims 1 to 5, which is characterized in that the described of wherein described plug blades foot inserts Enter head and further comprise a perforation, wherein the perforation is penetratingly formed in the front end for being inserted into head.
  15. 15. attaching plug as claimed in claim 14, which is characterized in that a plug circular foot is further included, wherein the plug is justified Foot and the two plug blades feet are positioned apart from, so that the attaching plug is America and Japan's formula core electric power plug.
  16. 16. attaching plug as claimed in claim 14, which is characterized in that the wherein two plug blades feet are by compartment of terrain and parallel Ground is set, so that the attaching plug is two core attaching plug of America and Japan's formula.
  17. 17. the manufacturing method of an attaching plug, which is characterized in that include the following steps：
    (a) one end of a flat cylindrical material is pounded, to form the one of a plug blades foot of attaching plug insertion head；
    (b) drilling is empty to form a riveting line of the one of plug blades foot connection tail portion in the other end of the cylindrical material Between；
    (c) injection is in the insertion head and the junction of the connection tail portion, in the insertion head and the connection tail The junction in portion forms a stent；And
    (d) the fixed stent is in a housing of the attaching plug, so that the housing coats the described of the plug blades foot Connect tail end.
  18. 18. the manufacturing method of attaching plug as claimed in claim 17, which is characterized in that wherein described step (a) is further Include the following steps：
    The circumferential edges for being inserted into head are cut, to adjust the shape and size for being inserted into head；With
    A front end on head is inserted into described in fillet, to form a fillet surface in the front end for being inserted into head.
  19. 19. the manufacturing method of attaching plug as claimed in claim 17, which is characterized in that wherein after the step (b) Further comprise the steps：
    The burr of the blind plug piece foot is removed, to keep the surface of the blind plug piece foot smooth；With
    An anti-oxidation paint is coated in the surface of the blind plug piece foot, to be formed on the surface of the blind plug piece foot One anti-oxidation enamelled coating.
  20. 20. the manufacturing method of attaching plug as claimed in claim 17, which is characterized in that wherein in the step (b) and institute It states and further comprises a step between step (c)：It is molded in the insertion head, to form one in the rear end for being inserted into head Insulating layer.
  21. 21. the manufacturing method of the attaching plug as described in any in claim 17~20, which is characterized in that wherein described step (b) further comprise a step：It drills in the rear end for being inserted into head, in the rear end shape for being inserted into head Into a through-hole.
  22. 22. the manufacturing method of an attaching plug, which is characterized in that include the following steps：
    (A) one end of a flat cylindrical material is pounded, to form the one of a plug blades foot of attaching plug insertion head；
    (B) drilling is empty to form a riveting line of the one of plug blades foot connection tail portion in the other end of the cylindrical material Between；And
    (C) injection is in the plug blades foot, to form a stent of the attaching plug and a housing, wherein the stent is located at The insertion head of the plug blades foot and the junction of the connection tail portion, the housing coat the plug The connection tail portion of piece foot.
  23. 23. the manufacturing method of attaching plug as claimed in claim 22, which is characterized in that wherein in the step (B) and institute It states and further comprises a step between step (C)：One power cord of riveting is in described in the connection tail portion of the plug blades foot Riveting space of lines.
CN201810106657.4A 2018-02-02 2018-02-02 Attaching plug and its manufacturing method Pending CN108199170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810106657.4A CN108199170A (en) 2018-02-02 2018-02-02 Attaching plug and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810106657.4A CN108199170A (en) 2018-02-02 2018-02-02 Attaching plug and its manufacturing method

Publications (1)

Publication Number Publication Date
CN108199170A true CN108199170A (en) 2018-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810106657.4A Pending CN108199170A (en) 2018-02-02 2018-02-02 Attaching plug and its manufacturing method

Country Status (1)

Country Link
CN (1) CN108199170A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314195A1 (en) * 1993-04-30 1994-11-03 M & K Metall Und Kunststoff Gm Plug pin and plug link
CN2434797Y (en) * 2000-07-10 2001-06-13 建通精密工业股份有限公司 Plug terminal
CN2528123Y (en) * 2002-03-06 2002-12-25 建通精密工业股份有限公司 Insulating plug internal support with conducting terminal
CN2606973Y (en) * 2003-02-28 2004-03-17 杨日安 Power plug
CN2733661Y (en) * 2004-07-08 2005-10-12 上海哈依环境工程有限公司 A plug with built-in surge absorbing element
JP2009140623A (en) * 2007-12-04 2009-06-25 Fuji Densen Kogyo Kk Insertion plug
CN105305128A (en) * 2015-10-29 2016-02-03 宁波市鄞州佳迪五金塑胶有限公司 National standard plug support and manufacturing method thereof
CN206379518U (en) * 2017-01-06 2017-08-04 辽宁金科达电子有限公司 Plug terminal component and plug
CN208315825U (en) * 2018-02-02 2019-01-01 江西普拉格电子制品有限公司 Attaching plug

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314195A1 (en) * 1993-04-30 1994-11-03 M & K Metall Und Kunststoff Gm Plug pin and plug link
CN2434797Y (en) * 2000-07-10 2001-06-13 建通精密工业股份有限公司 Plug terminal
CN2528123Y (en) * 2002-03-06 2002-12-25 建通精密工业股份有限公司 Insulating plug internal support with conducting terminal
CN2606973Y (en) * 2003-02-28 2004-03-17 杨日安 Power plug
CN2733661Y (en) * 2004-07-08 2005-10-12 上海哈依环境工程有限公司 A plug with built-in surge absorbing element
JP2009140623A (en) * 2007-12-04 2009-06-25 Fuji Densen Kogyo Kk Insertion plug
CN105305128A (en) * 2015-10-29 2016-02-03 宁波市鄞州佳迪五金塑胶有限公司 National standard plug support and manufacturing method thereof
CN206379518U (en) * 2017-01-06 2017-08-04 辽宁金科达电子有限公司 Plug terminal component and plug
CN208315825U (en) * 2018-02-02 2019-01-01 江西普拉格电子制品有限公司 Attaching plug

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Application publication date: 20180622