CN108400464A - Blind plug piece foot and its manufacturing method - Google Patents
Blind plug piece foot and its manufacturing method Download PDFInfo
- Publication number
- CN108400464A CN108400464A CN201810106658.9A CN201810106658A CN108400464A CN 108400464 A CN108400464 A CN 108400464A CN 201810106658 A CN201810106658 A CN 201810106658A CN 108400464 A CN108400464 A CN 108400464A
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- CN
- China
- Prior art keywords
- head
- blind plug
- plug piece
- piece foot
- foot
- 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.)
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a blind plug piece foot and its manufacturing methods, and wherein the blind plug piece foot includes an insertion head, a connection tail portion and an insulating layer.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 is molded by another part of the cylindrical material without pounding pressure.The insulating layer is coated on the rear end on the insertion head.
Description
Technical field
The present invention relates to an attaching plug technical fields, relate more specifically to a blind plug piece foot and its manufacturing method.
Background technology
Attaching plug, also known as power-line plug refer to the device that the devices such as electrical appliance are connected to 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 have power supply 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 existing attaching plug industry, existing plug blades foot is generally fabricated using flat sheet.Such as
Shown in Fig. 1, existing plug blades foot 1P has one to be inserted into the connection tail portion 12P of head 11P and one, wherein the insertion head 11P is certainly
The connection tail portion 12P integrally extends, and is electrically connected with the power outlet, the company for being inserted into the jack of a power outlet
Tail portion 12P is met to be crimped to form U-shaped structure by flat sheet, so as in a manner of riveting with a conducting wire (such as electric wire or cable)
Electrical connection.Significantly, since the existing plug blades foot 1P is integrally machined by flat sheet so that the existing plug
The hardness of the insertion head 11P and connection tail portion 12P of piece foot 1P are determined by the rigidity of the flat sheet, therefore are somebody's turn to do
The hardness of the hardness and connection tail portion 12P of being inserted into head 11P is consistent and identical.
However, the insertion head 11P of the existing plug blades foot 1P needs the hardness for having sufficiently large, 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 the hardness for having sufficiently small, to avoid the connection tail portion 12P in riveting due to hardness is excessive
Fracture or damaged occurs when conducting wire, so that need of the insertion head 11P and connection tail portion 12P for flat sheet hardness
It runs in the opposite direction.In other words, the hardness that the hardness of insertion head 11P connect tail portion 12P with this is a pair of conflicting
Opposite can not meet the needs of the two is to hardness simultaneously by the manufacturing method of the existing plug blades foot 1P, can only use folding
In the flat sheet of method choice suitable stiffness manufacture the existing plug blades foot 1P, but this compromise algorithm can not solve
Above-mentioned contradiction.Therefore, a kind of new manufacturing method of urgent need is 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 due to U-shaped structure by riveting
It is exposed in the conducting wire of connection tail portion 12P, it is possible to short circuit accident occur；On the other hand, by conducting wire riveting in the connection tail portion
Riveting central point when 12P can not accurately determine, and can frequently result in riveting central point and deviate, to cause adjacent this to be inserted
The distance between the connection tail portion 12P of head piece foot 1P reduces, to which the possibility that short circuit accident occurs can be further increased,
It is not easy to execute riveting operation.
In addition, although attaching plug for easily utilizing electric power, if having in use accidentally, can get an electric shock
Or short circuit risk, entail dangers to personal safety and safety of property when serious.And general electric shock accidents, it is frequently experienced at plug blades foot, this
It is to be exposed on the external because the insertion head of the plug blades foot is completely naked, and the part for working as the insertion head of the plug blades foot is inserted into
When one power outlet, which has just been powered, and user or other objects, which readily access, at this time is still not inserted into the power supply
The another part on the insertion head of socket, and then electric shock or short circuit accident easily occurs.
Invention content
The one of the present invention is designed to provide a blind plug piece foot and its manufacturing method, can increase the insulation and insert
The one of head piece foot is inserted into the hardness on head.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, wherein the blind plug piece
The one of 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 a blind plug piece foot and its manufacturing methods, wherein the blind plug piece
Foot is integrally processed by cylindrical material.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, wherein the blind 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 a blind plug piece foot and its manufacturing methods, wherein the blind plug piece
One connection tail portion of foot can easily one conducting wire of riveting, to be connect with being powered with the conducting wire.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, can ensure the insulation
The center line that the center line on one insertion head of plug blades foot connect tail portion with the one of the blind plug piece foot overlaps, to prevent phase
Because of inclination short circuit occurs for the connection tail portion of the adjacent blind plug piece foot.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, wherein the blind plug piece
One connection tail portion of foot has a riveting string holes, to prevent in one conducting wire of riveting, which occurs short circuit accident because exposed.
It is an object of the present invention to provide a blind plug piece foot and its manufacturing method, wherein the riveting string holes by
The interior space of cylindrical material itself and formed, be completely closed, without seam, in order to more securely, securely connect conducting wire.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, can aid in securely
An insulating layer is fixed in the blind plug piece foot, landing unintentionally or is unexpectedly loosened to prevent the insulating layer.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, wherein the blind plug piece
The manufacturing method of foot has overturned the manufacturing process of existing plug blades foot, and then solves an insertion of the blind plug piece foot
The respective inconsistent contradiction of required hardness in head and a connection tail portion.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, wherein the blind plug piece
The one of foot is inserted into head and is handled by fillet, to contribute to the blind plug piece foot to be inserted into a socket.
Another object of the present invention is to provide a blind plug piece foot and its manufacturing methods, wherein in order to reach above-mentioned mesh
, the structure of expensive material or complexity need not be used in the present invention.Therefore, present invention success and effectively one solution of offer
Certainly scheme not only provides a simple blind plug piece foot, while also adding the practicability of the blind plug piece foot
And reliability.
In order to realize above-mentioned at least a goal of the invention or other objects and advantages, the present invention provides a blind plug pieces
Foot, including：
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；
One connection tail portion, wherein the connection tail portion is molded by another part of the cylindrical material without pounding pressure；With
And
One insulating layer, wherein the insulating layer is coated on the rear end for being inserted into head.
In some embodiments of the invention, the connection tail portion has a riveting space of lines, for connecting an electric wire.
In some embodiments of the invention, the riveting space of lines of the connection tail portion is to be passed through by the cylindrical material
One riveting string holes of drilling and formation, 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 hardness of the cylindrical material is 90~100.
In some embodiments of the invention, the insulating layer is made into a manner of being molded, to be coated on the insertion
The rear end on head.
In some embodiments of the invention, the insertion head further comprises a recess section, wherein the recess section
What it is positioned at the insertion head is rear end, and the insulating layer is coated on the recess section for being inserted into head.
In some embodiments of the invention, the front end for being inserted into head is handled by fillet, in the insertion
The front end on head forms a fillet surface.
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, and the insulating layer coats the anti-falling piece, to prevent the insulation
Layer loosens.
In some embodiments of the invention, the anti-falling piece is a through-hole, wherein the through-hole is penetratingly formed in institute
State the rear end for being inserted into head.
In some embodiments of the invention, the anti-falling piece is a boss, wherein the boss is from the insertion head
The upper surface integrally upwardly extend.
In some embodiments of the invention, the anti-falling piece is a groove, wherein the groove is from the insertion head
The upper table be recessed downwards.
According to another aspect of the present invention, invention further provides the manufacturing methods of a blind plug piece foot, including
Following steps：
(S1) one end for pounding a flat cylindrical material is inserted into head with form the blind plug piece foot one；
(S2) drilling connects tail portion in the other end of the cylindrical material with form the blind plug piece foot one
One riveting space of lines；And
(S3) injection molding is 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 (S1) 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, the step (S2) further comprises a step：It drills in the insertion head
The rear end in portion, to form a through-hole in the rear end for being inserted into head.
In some embodiments of the invention, further comprise the steps after the step (S3)：
(S4) burr for removing the blind plug piece foot, to keep the surface of the blind plug piece foot smooth；With
(S5) one anti-oxidation paint of coating is in the surface of the blind plug piece foot, with described in the blind plug piece foot
Surface forms an anti-oxidation enamelled coating.
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 an existing plug blades foot.
Fig. 2 is the exploded perspective view of a blind plug piece foot according to a preferred embodiment of the present invention.
Fig. 3 is the stereoscopic schematic diagram of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention.
Fig. 4 is the schematic cross-sectional view of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention.
Fig. 5 is the flow signal of the manufacturing method of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention
Figure.
Fig. 6 is the block diagram signal of the manufacturing method of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention
Figure.
Fig. 7 shows that the one first of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention substitutes mould
Formula.
Fig. 8 is the schematic cross-sectional view of the blind plug piece foot of the first alternating pattern according to the present invention.
Fig. 9 shows that the one second of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention substitutes mould
Formula.
Figure 10 is the schematic cross-sectional view of the blind plug piece foot of the second alternating pattern according to the present invention.
Figure 11 shows that a third of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention substitutes mould
Formula.
Figure 12 is the schematic cross-sectional view of the blind plug piece foot of third alternating pattern according to the present invention.
Specific implementation mode
It is described below for disclosing 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 ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular 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 " should not be understood as the limitation to quantity.
It is the blind plug piece foot and its system of preferred embodiment according to the present invention shown in Fig. 2 to Fig. 6 of refer to the attached drawing
Make method.Preferred embodiment according to the present invention, the blind plug piece foot 10 include that an insertion head 11 and one connects
Tail portion 12.The head 11 of being inserted into is made of a part for a cylindrical material 20 by pounding pressure, has laminated structure to be formed
The insertion head 11 so that the insertion head 11 and the slotting cabin of a socket of the blind plug piece foot 10 match,
For being electrically connected in a manner of grafting with the socket.It is described connection tail portion 12 by the cylindrical material 20 another part without
It pounds pressure and is molded.In other words, the connection tail portion 12 integrally extends back from the rear end 111 for being inserted into head 11,
And when pounding the pressure cylindrical material 20 to form the insertion head 11, the connection tail portion 12 can be because not pounded
Press and keep original shape of the cylindrical material 20.
Preferably, the connection tail portion 12 has a riveting space of lines 121, for connecting an electric wire, so as to by the insulation
Plug blades foot 10 is connect in which can be powered with the electric wire.It is worth noting that, the riveting space of lines 121 may be implemented as it is such as recessed
The affixed electric wire is convenient in the space of slot or hole etc..
It is highly preferred that the riveting space of lines 121 is implemented as the riveting line formed through drilling by the cylindrical material 20
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
Same material.
Preferably, as shown in figure 5, the shape of the cylindrical material 20 is implemented as a cylinder, to reduce by described
The corner angle and burr on 10 surface of blind plug piece foot that cylindrical material 20 is manufactured into so that the blind plug piece foot 10
Surface keeps smooth.It should be appreciated that the shape of the material of main part 20 can also be implemented as the cylinder of other shapes, for example, it is ellipse
Circular cylinder, rectangular cylinder or polygon cylinder etc..
It is highly preferred that as shown in Figure 2-5, a diameter of 3.6~3.9mm of the cylindrical material 20, to add by pounding pressure
After work is to be made the blind plug piece foot 10, the size of the blind plug piece foot 10 meets national standard.Citing ground, it is described
The thickness D on the insertion head 11 of blind plug piece foot 10 is 1.4~1.5mm, and the width W for being inserted into head 11 is 6.22
~6.4mm.
However, the insertion head 11 due to the blind plug piece foot 10 is pressed by pounding, to improve described insert
Enter the material molecule structure on head 11, and then increase the hardness for being inserted into head 11, to prevent the blind plug piece described in grafting
When foot 10 to the socket, the pin head 11 of the blind plug piece foot 10 is deformed or is damaged because hardness is inadequate
It is bad.At the same time, since the connection tail portion 12 of the blind plug piece foot 10 is without pounding pressure, the connection tail portion 12
Hardness do not change, to prevent the connection tail portion 12 due to rigidity becomes larger when the conducting wire described in riveting occur fracture or
It is damaged.In other words, although the insertion head 11 and the connection tail portion 12 are made of identical material, due to described
Head 11 and the connection tail portion 12 are inserted into because of processing method difference so that the hardness for being inserted into head 11 is more than the connection
The hardness of tail portion 12, while to ensure that the insertion head 11 has enough hardness with safe socket, the connection tail portion 12
Hardness can also meet the needs of conducting wire described in riveting, to well solve the insertion head 11 and the connection tail portion
The different demands of 12 pairs of hardness.
It is noted that the material of the cylindrical material 20 is implemented as the conductive materials such as metal.Preferably, institute
The metal material that cylindrical material 20 is such as copper, silver or alloy etc. is stated, to ensure that it is good that the cylindrical material 20 has
Electric conductivity, hardness and toughness.It is highly preferred that the copper content of the cylindrical material 20 is not less than 60%, hardness is 90~100.
It will be appreciated by those skilled in the art that the hardness of metal material is corresponded with the intensity of metal material, and hardness is bigger, by force
Degree is also bigger, therefore, intensity of the intensity for being inserted into head 11 also greater than the connection tail portion 12 so that the insertion head
11 can bear larger external force, be easily deformed to prevent the insertion head 11.
It is noted that be made by pellet material in traditional manufacture, therefore the hardness of piece foot is very
The performance of material itself is depended in big degree, therefore the lower material of some hardness can not be used for making, and is passed through
The processing method of the present invention, can be with the performance in reinforcement material precalculated position, such as hardness, to the smaller material of some hardness
It is applicable in, to the selectable range of expansion material.
In addition, in order to more convenient and the blind plug piece foot 10 is easily inserted into the socket, the insulation is inserted
The front end 112 on the insertion head 11 of head piece foot 10 is handled by fillet, in the front end 112 for being inserted into head 11
Form a fillet surface 1121 so that the front end 112 for being inserted into head 11 is in decrement shape from back to front, so as to will be described
It is inserted into head 11 and is inserted into the socket.In other words, the front end on the insertion head 11 of the blind plug piece 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 figure 3, the riveting space of lines 121 of the connection tail portion 12 of the blind plug piece foot 10 is with drilling
Mode is made into, and the aperture of the riveting space of lines 121 can be designed according to the size of the conducting wire, so that the riveting line
Space 121 matches with the conducting wire, so convenient for by the conducting wire securely riveting in the riveting space of lines 121.It is preferred that
The wall thickness on ground, the riveting space of lines 121 of the connection tail portion 12 is not less than 0.5mm, to prevent the riveting space of lines 121 because of wall thickness
It is too small and ruptured in riveting, while also contributing to provide enough chucking powers, so prevent the conducting wire unintentionally or
Unexpectedly loosens or be detached from from the riveting space of lines 121.
For the ease of the conducting wire to be inserted into the riveting space of lines 121 of the connection tail portion 12, to the connection tail portion
The open edge 1212 of the 12 riveting space of lines 121 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 conducting wire is inserted into the riveting space of lines 121.In addition, institute
The open edge 1212 of riveting space of lines 121 is stated after chamfering, at the open edge 1212 of the riveting space of lines 121
There will not be sharp cut mark, be damaged to avoid the open edge 1212 of the riveting space of lines 121 in riveting conducting wire
The conducting wire.
Preferably, as shown in Figure 3 and Figure 4, the riveting space of lines 121 of the connection tail portion 12 has a rounded cross section
Face to keep the uniform wall thickness of the riveting space of lines 121, and then ensures the even intensity of the connection tail portion 12, and keeps foot
Enough toughness, so as to by the conducting wire securely riveting in it is described connection tail portion 12 riveting space of lines 121 while,
It can prevent the connection tail portion 12 from being ruptured because intensity is uneven, and then can also avoid because of the connection tail portion 12
The wall of the riveting space of lines 121 ruptures and causes the conducting wire exposed, is sent out so as to be effectively prevented from because the conducting wire 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 as shown in figure 4, the center line of the connection tail portion 12 of the blind plug piece foot 10 and it is described insert
The center line for entering head 11 overlaps, and is straight line, with when the blind plug piece foot 10 is applied to an attaching plug,
The connection tail portion 12 of the adjacent blind plug piece foot 10 will not contact with each other because of inclination, and then prevent adjacent institute
It states blind plug piece foot 10 and short circuit accident occurs because of contact.
Most preferably, the riveting space of lines 121 of the connection tail portion 12 is along described in the blind plug piece foot 10
The center line for connecting tail portion 12 extends, so that the center line weight of the center line of the riveting space of lines 121 and the connection tail portion 12
It closes, and then convenient for when conducting wire, accurately finding out riveting central point described in riveting, occurs mutually because of inclination to prevent the conducting wire
Contact, to further decrease the risk that short circuit accident occurs.
When using attaching plug, following situations can be usually encountered：When the blind plug of the attaching plug
When the socket is inserted into the front end 112 on the insertion head 11 of piece foot 10, the front end 112 for being inserted into head 11
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 be also at energization
State, however since the rear end 111 for being inserted into head 11 is still exposed in the outside of the socket, user or
Person's conductor is very easy to touch the rear end 111 on the insertion head 11, and then is easy to happen electric shock or short circuit accident.
Therefore, in order to avoid leading to electric shock or short circuit accident because the rear end 111 for being inserted into head 11 is exposed, root
According to the preferred embodiment of the present invention, as shown in figure 3, the blind plug piece foot 10 further comprises an insulating layer 13,
Described in insulating layer 13 be coated on the rear end 111 for being inserted into head 11 so that the insulating layer 13 is located at close to described
The position of tail portion 12 is connected, and then is inserted into described in head 11 close to the portion of the connection tail portion 12 by the insulating layer 13
Subpackage is covered, to prevent unintentionally or unexpectedly touching the rear end 111 for being inserted into head 11.
Preferably, the insulating layer 13 is arranged at the insertion head of the blind plug piece foot 10 by Shooting Technique
The rear end 111 in portion 11, so that the blind plug piece foot 10 has protection against electric shock or anti-short-circuit function.It should be appreciated that described
Insulating layer 13 can be, but not limited to be made up of Shooting Technique of ambroin, and the insulating layer 13 can also be by such as insulating cement
Body, electro-insulating rubber or insulated paint etc. insulating materials are made.
It is worth noting that, the insertion head 11 of the blind plug piece foot 10 further includes an at least anti-falling piece 113,
The wherein anti-falling piece 113 is arranged at the rear end 111 for being inserted into head 11, and the insulating layer 13 coat it is described
The insulating layer 13 is stably attached near the rear end 111 on the insertion head 11, to prevent institute by anti-falling piece 113
It states insulating layer 13 to fall off or be detached from from the rear end 111 for being inserted into head 11, so as to be avoided long-term effectively because connecing
It touches the rear end 111 for being inserted into head 11 and electric shock or short circuit accident occurs.In other words, the anti-falling piece 113 can
Increase the insulating layer 13 and the adhesive force being inserted between head 11, is loosened to prevent the insulating layer 13, Jin Eryan
The service life of the long insulating layer 13.
In the preferred embodiment of the present invention, as shown in Figure 2 and Figure 4, the anti-falling piece 113 is implemented as a through-hole
1131, wherein the through-hole 1131 be penetratingly formed in it is described be inserted into head 11 the rear end 111, so as to by be molded with
When forming the insulating layer 13, part sizing in the through-hole 1131 of the insulating layer 13, to increase the insulating layer
13 are inserted into the adhesive force on head 11 with described, and then are effectively prevented the insulating layer 13 and fall off or take off from the insertion head 11
From.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 sewing effect is reduced, increase the acceptance rate of the insulating layer 13.
Preferably, as shown in figure 4, the through-hole 1131 in a manner of drilling from it is described be inserted into head 11 upper surface 114
It is through to the lower surface 115 for being inserted into head 11, i.e., the described through-hole 1131 is passed through along the thickness direction for being inserted into head 11
It is formed in the insertion head 11 with wearing, to shorten the distance of plastics injection to the maximum extent.Those skilled in the art should manage
Solution, the through-hole 1131 can also be penetratingly formed along the width direction for being inserted into head 11 in described in a manner of drilling
It is inserted into head 11, 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 blind plug piece foot 10 described
At through-hole 1131 formed tip, and then avoid occur point discharge and generate amount of heat, to prevent the insulating layer 13 because
Temperature 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.
Since the insertion head 11 of the blind plug piece foot 10 and the shape and size of the connection tail portion 12 are each
It differs, therefore the connection tail portion 12 of the blind plug piece foot 10 can be stably fixed in the attaching plug
In insulation shell, loosened to prevent the blind plug piece foot 10, and then the service life of the attaching plug can be extended
And safe class.
As shown in Figure 5 and Figure 6, the system of the blind plug piece foot of above-mentioned preferred embodiment according to the present invention is shown
Make method.The manufacturing method of the blind plug piece foot includes the following steps：
S1：The one end for pounding a flat cylindrical material 20 is inserted into head 11 with form the blind plug piece foot 10 one；
S2：It drills in the other end of the cylindrical material 20, to form a connection tail of the blind plug piece foot 10
The one riveting space of lines 121 in portion 12；And
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.
It is worth noting that, in the step S1, the preferably cylinder, and the column of the cylindrical material 20
The length of body material 20 is 27~33mm, a diameter of 3.6~3.9mm of the cylindrical material 20.
In addition, the cylindrical material 20 pounds flat machine execution by one pounds flat process.Preferably, described to pound flat machine and be implemented as
Vertical pump single arm hydrodynamic press, with pass through it is described pound flat machine the cylindrical material 20 executed repeatedly pound flat process so that the institute is made
State the insertion head 11 of blind plug piece 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 blind plug piece foot 10 is implemented as 23~25mm, institute
It stating and is inserted into the thickness D on head 11 and is implemented as 1.4~1.5mm, the width W for being inserted into head 11 is implemented as 6.22~
6.4mm。
Most preferably, described to pound flat machine 3~5min is arranged to the flat processing time of pounding of the cylindrical material 20, with true
The insertion head 11 for protecting the blind plug piece foot 10 has the smooth upper surface 114 and the lower surface 115, together
When can also ensure that the insertion head 11 is hit tight, to meet to the hardness on head 11, intensity and the size be inserted into
It is required that.
It is noted that in the step S2, the cylindrical material 20 executes 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 be 2~
5mm。
Further comprise a step in the step S2：It drills in the insertion head of the blind plug piece foot 10
11 rear end 111, to form a through-hole 1131 in the rear end 111 for being inserted into head 11.That is, in the present invention
The preferred embodiment in, the through-hole 1131 be the blind plug piece foot 10 the insertion head 11 the anticreep
Part 113, to increase the insulating layer 13 and the adhesive force for being inserted into head 11, certainly to prevent the generation of the insulating layer 13 loosening
The insertion head 11 falls off.
In addition, in the step S3, the blind plug piece foot 10 executes Shooting Technique by an injection molding apparatus,
Plastic injection to be inserted into described at the through-hole 1131 on head 11, to form the insulating layer 13 so that the insulation
Layer 13 is coated on the rear end 111 for being inserted into head 11 securely.Preferably, the injection molding apparatus is implemented as one
Injection (mo(u)lding) machine.
Preferred embodiment according to the present invention, in the manufacturing method of the blind plug piece foot 10, the step
S1 further comprises the 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 in decrement shape from back to front.
Preferably, it is the fillet of 5~7mm that the front end 112 for being inserted into head 11, which has radius,.
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 set 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 fig. 6, the manufacturing method of the blind plug piece foot 10 further comprises following step
Suddenly：
S4：The burr for removing the blind plug piece foot 10, to keep the surface of the blind plug piece foot 10 smooth；With
S5：An anti-oxidation paint is coated in the surface of the blind plug piece foot 10, in the blind plug piece foot 10
Surface forms an anti-oxidation enamelled coating.
Preferably, in the step S4, the burr of the blind plug piece foot 10 is removed by a lapping machine,
And the removal degree of burr is observed using subtle mirror.It will be appreciated by those skilled in the art that the subtle mirror can with but not
It is limited to be implemented as an electron microscope.
Shown in Fig. 7 and Fig. 8 of refer to the attached drawing, the blind plug of preferred embodiment according to the present invention is shown
One first alternating pattern of piece foot.Compared to preferred embodiment according to the present invention, according to the present invention first replaces
For pattern the blind plug piece foot 10 the insertion head 11A difference lies in：It is described to be inserted into the described anti-of head 11A
De- part 113A is implemented as a pair of projections 1131A, one of them described boss 1131A from it is described be inserted into head 11A it is described on
Surface 114 integrally upwardly extend and another boss 1131A from it is described be inserted into head 11A the lower surface 115 1
It extends downwardly to body, and the boss 1131A is located at the rear end 111 for being inserted into head 11A, to pass through the boss
1131A cooperates with the insulating layer 13, for the insulating layer 13 to be coated on the institute for being inserted into head 11A securely
Rear end 111 is stated, is detached from the insertion head 11A because of loosening to prevent the insulating layer 13.At the same time, due to the insertion head
The rear end 111 of portion 11A does not reduce the cross-sectional area for being inserted into head 11A because of drilling, correspondingly the insertion head
The resistance of the rear end 111 of portion 11A will not become larger suddenly, therefore can be effectively prevented from the institute for being inserted into head 11A
It states rear end 111 and generates a large amount of heat, and then prevent the insulating layer 13 from occurring because of 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 boss integrally extended downwardly from the upper surface 114 for being inserted into head 11A, or can also be carried out
For the boss integrally extended downwardly from the lower surface 115 for being inserted into head 11A.In addition, the present invention in addition
In some embodiments, the anti-falling piece 113A can also be implemented as the side from the rear end 111 for being inserted into head 11A
Edge integrally outwardly extending boss 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 boss 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 is formed the insulation in the one end for pounding the flat cylindrical material 20 and is inserted
When the insertion head 11A of head piece foot 10, the boss 1131A is formed in the rear end 111 for being inserted into head 11A,
When then forming the insulating layer 13 by being moulded in the rear end 111 for being inserted into head 11A, the insulating layer 13 coats
The rear end 111 for being inserted into head 11A is stated in residence, and the boss 1131A is coated in the insulating layer 13, to pass through
The boss 1131A increases the insulating layer 13 and the adhesive force being inserted between the 11A of head, and then prevents the insulating layer
13 fall off due to loosening from the insertion head 11A.
In some other embodiments of the present invention, the boss 1131A can also be in a manner of cutting in the insertion
The rear end 111 of head 11A is machined from.Particularly, when cutting the circumferential edges for being inserted into head 11A, easily exist
The lateral edges of the rear end 111 for being inserted into head 11A are processed to form the boss 1131A, with play prevent it is described
Insulating layer 13 is detached from the effect for being inserted into head 11A.
Shown in Fig. 9 and Figure 10 of refer to the attached drawing, show that the insulation of above-mentioned preferred embodiment according to the present invention is inserted
One second alternating pattern of head piece foot.Compared to preferred embodiment according to the present invention, according to the present invention second
The insertion head 11B of the blind plug piece foot 10 of 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, described in increase
Insulating layer 13 and the adhesive force being inserted between the 11B of head, to prevent the insulating layer 13 from described in the insertion head 11B
Rear end 111 falls 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 is formed the insulation in the one end for pounding the flat cylindrical material 20 and is inserted
When the insertion head 11A of head piece foot 10, the groove 1131B is formed in the rear end 111 for being inserted into head 11A.
Shown in Figure 11 and Figure 12 of refer to the attached drawing, show that the insulation of above-mentioned preferred embodiment according to the present invention is inserted
The one third alternating pattern on the insertion head of head piece foot.Compared to preferred embodiment according to the present invention, according to this
Invention the third alternating pattern the blind plug piece 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, 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 molding
It is securely limited in the insertion head in the insulating layer 13 formed at the recess section 116C of head 11C that is inserted into
At the recess section 116C of portion 11C, fall off from the insertion head 11C to prevent the insulating layer 13.
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 make the overall surface for being inserted into head 11C smooth, hinder the blind plug piece foot 10 to insert to prevent the insulating layer 13
Enter the slotting cabin of the socket, while can also avoid the insulating layer 13 by the slotting cabin of the socket to the maximum extent
Abrasion 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
113,113A, 113B, to further 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,
It can be equipped with the boss 1131A, the groove 1131B is also provided with, prevents the insulating layer 13 from institute equally to reach
It states and is inserted into the effect that head 11C slides.
In conclusion in order to achieve the above object, the structure of expensive material or complexity need not be used in the present invention.
Therefore, the present invention is successful and effectively provides a solution, not only provides a simple blind plug piece foot, simultaneously also
Increase the practicability and reliability of the blind plug piece foot.
It should be understood by those skilled in the art that the embodiment of the present invention shown in foregoing description and attached drawing is 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 (16)
1. a blind plug piece foot, which is characterized in that including：
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 into through pounding pressure；
One connection tail portion, wherein the connection tail portion is molded by another part of the cylindrical material without pounding pressure；And
One insulating layer, wherein the insulating layer is coated on the rear end for being inserted into head.
2. blind plug piece foot as described in claim 1, which is characterized in that the wherein described connection tail portion has a riveting line empty
Between, for connecting an electric wire.
3. blind plug piece foot as claimed in claim 2, which is characterized in that the riveting space of lines of the wherein described connection tail portion
For by the cylindrical material by the riveting string holes that is formed of drilling, and described in an opening of the riveting space of lines is directed away from
It is inserted into the direction on head.
4. blind plug piece foot as described in claim 1, which is characterized in that the wherein described hardness for being inserted into head is more than described
Connect the hardness of tail portion.
5. blind plug piece foot as described in claim 1, which is characterized in that the hardness of the wherein described cylindrical material be 90~
100。
6. blind plug piece foot as described in claim 1, which is characterized in that the wherein described insulating layer is made in a manner of being molded
At to be coated on the rear end for being inserted into head.
7. blind plug piece foot as claimed in claim 6, which is characterized in that the wherein described insertion head further comprises that one is recessed
Section is fallen into, wherein it is rear end that the recess section, which is located at the head of being inserted into, and the insulating layer is coated on the insertion head
The recess section.
8. the blind plug piece foot as described in any in claim 1~7, which is characterized in that wherein described to be inserted into the one of head
Front end is handled by fillet, to form a fillet surface in the front end for being inserted into head.
9. the blind plug piece foot as described in any in claim 1~7, which is characterized in that the wherein described insertion head is into one
Step includes an at least anti-falling piece, wherein the anti-falling piece is arranged at the rear end for being inserted into head, and the insulation
Layer coats the anti-falling piece, is loosened to prevent the insulating layer.
10. blind plug piece foot as claimed in claim 9, which is characterized in that the wherein described anti-falling piece is a through-hole, wherein institute
Through-hole is stated to be penetratingly formed in the rear end for being inserted into head.
11. blind plug piece foot as claimed in claim 9, which is characterized in that the wherein described anti-falling piece is a boss, wherein institute
Boss is stated integrally to upwardly extend from the upper surface for being inserted into head.
12. blind plug piece foot as claimed in claim 9, which is characterized in that the wherein described anti-falling piece is a groove, wherein institute
Groove is stated from the upper table for being inserted into head to be downwards recessed.
13. the manufacturing method of a blind plug piece foot, which is characterized in that include the following steps：
(S1) one end for pounding a flat cylindrical material is inserted into head with form the blind plug piece foot one；
(S2) drilling is in the other end of the cylindrical material, to form a riveting of a connection tail portion of the blind plug piece foot
Space of lines；And
(S3) injection molding is in the insertion head, to form an insulating layer in the rear end for being inserted into head.
14. the manufacturing method of blind plug piece foot as claimed in claim 13, which is characterized in that the wherein described step (S1) is into one
Step includes 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.
15. the manufacturing method of blind plug piece foot as claimed in claim 13, which is characterized in that the wherein described step (S2) is into one
Step includes a step：It drills in the rear end for being inserted into head, it is logical to form one in the rear end for being inserted into head
Hole.
16. the manufacturing method of blind plug piece foot as described in any in claim 13~15, which is characterized in that wherein described
Further comprise the steps after step (S3)：
(S4) burr for removing the blind plug piece foot, to keep the surface of the blind plug piece foot smooth；With
(S5) one anti-oxidation paint of coating is in the surface of the blind plug piece foot, on the surface of the blind plug piece foot
Form an anti-oxidation enamelled coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106658.9A CN108400464A (en) | 2018-02-02 | 2018-02-02 | Blind plug piece foot and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106658.9A CN108400464A (en) | 2018-02-02 | 2018-02-02 | Blind plug piece foot and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400464A true CN108400464A (en) | 2018-08-14 |
Family
ID=63096226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810106658.9A Pending CN108400464A (en) | 2018-02-02 | 2018-02-02 | Blind plug piece foot and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108400464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785989A (en) * | 2018-12-28 | 2019-05-21 | 昆山沪光汽车电器股份有限公司 | The automobile-used linear connecting band of one kind and its manufacturing method |
Citations (7)
| 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 |
| CN2463990Y (en) * | 2000-12-08 | 2001-12-05 | 建通精密工业股份有限公司 | Plug terminal with insulating layer jet material drainage structure |
| CN2528122Y (en) * | 2002-03-06 | 2002-12-25 | 建通精密工业股份有限公司 | Plug cap conductive terminal insulating layer ejection casting material drainage reinforcing device |
| 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 |
| CN208315824U (en) * | 2018-02-02 | 2019-01-01 | 江西普拉格电子制品有限公司 | Blind plug piece foot |
-
2018
- 2018-02-02 CN CN201810106658.9A patent/CN108400464A/en active Pending
Patent Citations (7)
| 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 |
| CN2463990Y (en) * | 2000-12-08 | 2001-12-05 | 建通精密工业股份有限公司 | Plug terminal with insulating layer jet material drainage structure |
| CN2528122Y (en) * | 2002-03-06 | 2002-12-25 | 建通精密工业股份有限公司 | Plug cap conductive terminal insulating layer ejection casting material drainage reinforcing device |
| 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 |
| CN208315824U (en) * | 2018-02-02 | 2019-01-01 | 江西普拉格电子制品有限公司 | Blind plug piece foot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785989A (en) * | 2018-12-28 | 2019-05-21 | 昆山沪光汽车电器股份有限公司 | The automobile-used linear connecting band of one kind and its manufacturing method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |
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