Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide a PIN strip, in a production process of installing a magnetic core, a coil, and the like, only a lead needs to be placed in a groove of a ridge, then the connection lugs on the PIN are bent and deformed in opposite directions, and the deformed connection lugs clamp and fix the lead, so that the lead is quickly fixed, a winding step is omitted, time and labor are saved in operation, a basic condition is provided for realizing automatic mass production of an electronic network transformer finished product, production efficiency can be greatly improved, and production cost can be greatly saved.
Similarly, the embodiment of the invention also aims to provide an electronic element shell, an electronic element and a production method, wherein the PIN needle material belt is used for production, so that the production efficiency is improved, and the production cost is saved.
The embodiment of the invention is realized by the following steps:
the embodiment of the invention provides a PIN needle material belt which comprises side belts and PIN needles, wherein the PIN needles are strip-shaped, one ends of the PIN needles are welding PINs, the other ends of the PIN needles are wiring PINs, the welding PINs are connected with the side belts, the wiring PINs comprise two wiring lugs, a wiring groove used for containing a lead is formed by the two wiring lugs in a surrounding mode, the depth of the wiring groove is larger than the diameter of the lead, and the wiring lugs can be bent relatively so that the wiring lugs can clamp and fix the lead.
As an alternative to the above embodiment, the ridge line groove is U-shaped, and a distance between two end portions of the ridge line groove gradually decreases from outside to inside.
As an alternative of the above embodiment, an easy-to-break notch is provided on one side of the lug, which is far away from the ridge line slot.
As an alternative of the above embodiment, the edge band is provided with a bayonet for clamping a lead, and the bayonet corresponds to the ridge line groove one to one.
As an alternative to the above embodiment, the side band is provided with positioning holes.
The embodiment of the invention also provides an electronic element shell, which comprises a shell and the PIN needle material belt, wherein the shell is provided with at least one containing cavity for placing the magnetic core, and the PIN needle material belt is arranged on two opposite sides of the shell.
As an alternative to the above embodiment, the inner surface of the housing is provided with a wire groove, and one end of the wire groove is adjacent to the bottom end of the ridge line groove.
As an alternative to the above embodiment, the wire groove is located at the port of the accommodation chamber and extends to the end face of the housing, and the wire groove is inclined toward the terminal pin in a bottom-to-top direction.
The embodiment of the invention also provides an electronic element shell which comprises a shell body and PIN needles, wherein the shell body is provided with at least one containing cavity for placing a magnetic core, the PIN needles are respectively arranged on two opposite sides of the shell body, the PIN needles are strip-shaped, one end of each PIN needle is bent to form a welding PIN, the other end of each PIN needle is a wiring PIN, each wiring PIN comprises two wiring lugs, each wiring lug surrounds a wiring groove for containing a lead, the depth of each wiring groove is greater than the diameter of the lead, and the wiring lugs can be bent relatively so that the wiring lugs can clamp and fix the lead.
The embodiment of the invention also provides an electronic element, which comprises a magnetic core and the electronic element shell, wherein a coil is wound on the magnetic core, a lead of the coil is arranged in the wire-limiting groove, the lead is clamped and fixed by the two wire lugs, and the lead is electrically conducted with the wire lugs.
The embodiment of the invention also provides an electronic element production method, which comprises the following steps:
and placing and fixing the magnetic core wound with the coil in a containing cavity of the electronic component shell.
The lead wire passes through the wire groove and one end of the lead wire is clamped in the clamping opening.
The two wiring lugs of the PIN PIN are oppositely bent and deformed, so that the wiring lugs clamp and fix the lead.
And welding the contact parts of the PIN PINs and the leads.
The lead is cut at a predetermined position.
And synchronously bending the PIN needle, and removing the side band.
And injecting packaging material into the accommodating cavity or closing the accommodating cavity by using a cover plate.
The electronic component shell comprises a shell body and PIN needle material belts, the shell body is provided with at least one containing cavity used for containing the magnetic core, and the two opposite sides of the shell body are provided with the PIN needle material belts.
PIN needle material area includes sideband and PIN needle, the PIN needle is the bar, the one end of PIN needle is welding foot and the other end is the wiring foot, the welding foot with the sideband is connected, the wiring foot includes two lug, two the lug encloses into the bank wire casing that is used for holding the lead wire, the degree of depth in bank wire casing is greater than the diameter of lead wire, the lug of working a telephone switchboard can be buckled relatively, so that the lug of working a telephone switchboard can be fixed with the lead wire centre gripping.
The side band is provided with a bayonet used for clamping a lead, and the bayonet corresponds to the ridge line groove one to one.
The inner surface of the shell is provided with a wire groove, and one end of the wire groove is adjacent to the bottom end of the ridge wire groove.
The invention has the beneficial effects that:
according to the electronic component shell, the electronic component and the production method, the PIN needle material belt with the groove can be processed and produced, the wiring lugs of the PIN needle material belt can be bent and deformed, only the lead wires need to be placed in the groove in the production process of installing the magnetic core, the coil and the like, then the wiring lugs on the PIN needles are bent and deformed oppositely, and the deformed wiring lugs clamp and fix the lead wires, so that the lead wires are quickly fixed, the winding step is omitted, the operation is time-saving and labor-saving, basic conditions are provided for realizing automatic large-scale production of electronic network transformer finished products, the production efficiency can be greatly improved, and the production cost is saved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
First embodiment
Referring to fig. 1 to 3, a first embodiment of the present invention provides a PIN strip 11, where the PIN strip 11 is mainly used for an electronic network transformer, an electronic network filter, and the like.
The PIN strip 11 includes a side band 110 and three PIN needles 111, and the number of the PIN needles 111 may also be one, two, four, and the like.
The side band 110 may be in a long strip shape, and the number of the PIN PINs 111 is at least one, for example, in the present embodiment, the number of the PIN PINs 111 is six, and the six PIN PINs 111 are sequentially arranged side by side.
The number of the PIN PINs 111 can be selected according to the requirement, and mainly depends on the number of the accommodating cavities of the electronic component housing, generally speaking, one end of each accommodating cavity corresponds to three PIN PINs 111 (not absolutely, for example, each accommodating cavity can also correspond to four PIN PINs 111, etc.), if the electronic component housing has two accommodating cavities or a plurality of electronic component housings are produced simultaneously, the number of the PIN PINs 111 on each side band 110 can be adjusted adaptively, and where the PIN PINs 111 are not needed, blank PIN PINs 111 (as shown in fig. 4) can be further provided, that is, the PIN PINs 111 do not play a role, the existence or nonexistence of the blank PIN 111 does not affect the structure of the electronic component, and can be removed.
The PIN 111 has a bar shape, and the shape of the PIN 111 can be set as required, for example, in the present embodiment, the PIN 111 has an L shape.
One end of the PIN 111 is a welding PIN 112 and the other end is a connection PIN 113, the welding PIN 112 is used for welding with an external connection, and the connection PIN 113 is used for electrically connecting with a lead, that is, the PIN 111 and the lead can allow current to pass through.
The welding leg 112 is connected to the side band 110, and the connection manner may be an integral molding.
The PIN 111 and the edge strip 110 may be produced simultaneously, for example, by stamping the sheet material using a stamping technique, etc., so that the excess part, such as the edge strip 110, may be removed after the assembly process is completed for convenience of production and use.
The terminal pin 113 includes two terminal lugs 114, and the two terminal lugs 114 are disposed opposite to each other. The terminal PINs 113 may be wider than the PIN PINs 111 at other locations.
The two lugs 114 enclose a wire-locking groove 115 for accommodating the lead 141, the depth of the wire-locking groove 115 is greater than the diameter of the lead 141, generally, the diameter of the lead 141 is about 0.08-0.12mm, there are one to two winding wires, the width of the wire-locking groove 115 can be set at 0.24-0.30mm, and the width of the wire-locking groove 115 can be adjusted appropriately according to the different diameters of the lead 141.
The lug 114 can be bent relatively, that is, the lug 114 can be deformed and close to each other in a tool or manual operation mode, so that the width of the ridge line groove 115 is reduced, and the deformed lug 114 can clamp and fix the lead 141 in the bending deformation process of the lug 114.
The shape of the ridge line groove 115 can be set as required, for example, V-shaped, circular arc and the like, in this embodiment, the ridge line groove 115 is U-shaped, the ridge line groove 115 can be divided into three parts, namely, an end part, a middle part and a bottom part, the distance between the two end parts of the ridge line groove 115 is gradually reduced from outside to inside, the distance of the middle part is unchanged, and the bottom part adopts a circular arc structure. This design allows the lead to be easily inserted into the notch 115.
The above-mentioned "from outside to inside" means the direction from the opening to the groove bottom of the ridge line groove.
Referring to fig. 4, when the PIN strip 11 is produced, a reserved part 119 may be left at one end of the connection PIN 113.
The space between the reserved member 119 and the terminal pin 113 may have a fracture, which means that the thickness is smaller than that of the other portion.
The provision 119 allows the PIN 111 to be initially bent to align the terminal PINs 113.
In particular, the reservation 119 comprises a reservation band and at least one reservation needle.
The reservation needle is connected in the reservation area side by side, and the reservation needle is connected with PIN needle 111 one-to-one.
The two sides of the connecting part between the reserved pin and the wiring pin 113 are both provided with an easy fracture, the cross section of the easy fracture is V-shaped, and the easy fracture extends to the edge of the wiring pin 113 from the ridge wire groove 115.
When punching a sheet material, firstly punching and forming in a plane, then bending and forming the PIN needle 111, electroplating after the injection molding is finished, and breaking off the reserved part 119 after the electroplating process is finished.
In addition, as shown in fig. 5 and fig. 6, an easy-to-break notch 118 may be further disposed on a side of the wire connecting lug 113 away from the threshold wire slot 115, and the easy-to-break notch 118 facilitates bending deformation of the wire connecting lug 113.
The side band 110 may be rectangular, without other structures, and may also be configured in the following manner: the band 110 is provided with a bayonet 116 and a positioning hole 117.
The bayonet 116 is used for clamping the lead 141, the number of the bayonet 116 is at least one, and the bayonet 116 corresponds to the notch groove 115 one by one, in this embodiment, the corresponding mode of the bayonet 116 and the notch groove 115 is as follows: the lead 141 is inserted into the groove 115 and the bayonet 116, and is located in the same plane as the L-shaped PIN 111 (ignoring width).
The positioning holes 117 are used for positioning, that is, fixing the PIN needle material belt 11 in the subsequent production and use processes. The positioning hole 117 may be regular or irregular, such as a circular hole, a square hole, or a semicircular hole.
Second embodiment
Referring to fig. 7-10, a second embodiment of the present invention provides an electronic component housing 13, wherein the electronic component housing 13 is further processed based on the first embodiment, and can be regarded as a semi-finished product of a final electronic component.
The "electronic component" referred to in this embodiment may be an electronic network transformer or an electronic network filter.
Specifically, the electronic component housing 13 includes a housing 130 and the PIN needle tape 11 in the first embodiment.
The housing 130 may be produced by injection molding, that is, the PIN needle material tape 11 is placed in an injection mold, and the housing 130 is formed by injection molding, and a part of the PIN needle material tape 11 is located in the housing 130.
The casing 130 may have a regular shape such as a rectangular parallelepiped or an irregular shape, and the casing 130 is provided with at least one accommodating chamber 131 for accommodating a magnetic core.
The number of the receiving cavities 131 is set as desired, for example, one, two, three, etc. In the present embodiment, the housing 130 shown in fig. 7 and 8 has two accommodating chambers 131, and the housing 130 shown in fig. 9 and 10 has one accommodating chamber 131.
The opposite sides of the housing 130 are provided with PIN needle strips 11, and each PIN needle strip 11 has six PIN needles 111 corresponding to the housing 130 in fig. 7.
In addition, since the material of the lead is soft, when the process such as pouring is performed in the housing 130, the position of the lead may be shifted, which affects the product quality, in this embodiment, the inner surface of the housing 130 is provided with the wire groove 132, and one end of the wire groove 132 is adjacent to the bottom end of the ridge groove 115.
Specifically, the wire guide 132 is located at a port of the accommodating chamber 131 and extends to the end surface of the housing 130, and the "port" refers to a position of the accommodating chamber 131 close to the end surface but at a distance from the end surface.
The wire groove 132 is inclined toward the terminal pin 113 in the bottom-to-top direction. The upper and lower positions are defined by the orientations in fig. 7 and 9, that is, the position near the end surface of the housing 130 is upper, and the position near the bottom surface of the accommodating chamber 131 is lower.
In brief, the inner surface of the accommodation chamber 131 (the surface adjacent to the terminal PIN 113 of the PIN 111) is located on a different plane from the terminal PIN 113 of the PIN 111, and the bottom surface of the wire groove 132 is inclined with respect to the inner surface of the accommodation chamber 131.
The wire guide grooves 132 may also function as wire management.
Third embodiment
Referring to fig. 11-14, a third embodiment of the present invention further provides an electronic component casing 13, and the electronic component casing 13 can be further processed based on the second embodiment, that is, the side band of the electronic component casing 13 in the second embodiment is removed, and then the PIN 111 is bent.
Of course, the structure in this embodiment can also be regarded as a product formed by directly producing the PIN 111 not including the edge band and then further processing using the PIN 111.
Specifically, the electronic component housing 13 includes a housing 130 and a plurality of PIN PINs 111.
The structure of the housing 130 may refer to the second embodiment, and the structure of the PIN 111 may refer to the first embodiment or the second embodiment (not including the sideband).
The housing 130 is provided with at least one receiving cavity 131 for placing the magnetic core 14.
At least one PIN 111 is provided at opposite sides of the housing 130, respectively.
PIN needle 111 is the bar, and one end bending type of PIN needle 111 forms welding foot 112 and the other end is wiring foot 113.
The terminal pin 113 includes two terminal lugs 114, the two terminal lugs 114 enclose a threshold groove 115 for accommodating the lead 141, and the depth of the threshold groove 115 is greater than the diameter of the lead 141.
The lug 114 can be bent relative to each other so that the lug 114 can clamp and fix the lead 141.
The housing 130 shown in fig. 11 and 12 has two accommodating chambers 131, and the housing 130 shown in fig. 13 and 14 has one accommodating chamber 131.
For parts not mentioned in this embodiment, please refer to the first embodiment or the second embodiment.
The method for producing the electronic component housing 13 in this embodiment may be:
the PIN needle material belt 11 is placed in a mold and poured into the mold. An injection molded housing 130 encases a portion of PIN 111.
Fourth embodiment
Referring to fig. 15 and fig. 16, a fourth embodiment of the present invention further provides an electronic component 10, the electronic component 10 in this embodiment is further processed on the basis of the second embodiment or the third embodiment, and the electronic component 10 may be an electronic network filter or an electronic network transformer, etc.
In this embodiment, the housing 130 has one accommodating chamber 131 as an example.
Specifically, the electronic component 10 includes the magnetic core 14 and the electronic component case 13 in the third embodiment.
The number of the magnetic cores 14 in each accommodating cavity 131 may be two, the center lines of the two magnetic cores 14 may be perpendicular to each other, and the magnetic cores 14 correspond to the PIN PINs 111 on one side of the housing 130.
The coil 140 is wound on the magnetic core 14, the lead 141 of the coil 140 is disposed in the trimming groove 115, the lead 141 is clamped and fixed by the two lugs 114, and the lead 141 is electrically connected to the lugs 114.
Fifth embodiment
The fifth embodiment of the present invention also provides a production method of the electronic component 10, which is produced on the basis of the electronic component case 13 in the third embodiment.
The production method comprises the following steps:
the magnetic core 14 wound with the coil 140 is placed and fixed in the accommodation chamber 131 of the electronic component housing 13.
The lead 141 is pulled by passing the lead 141 through the wire groove 132 and the wire groove 115, and the lead 141 is limited in the wire groove 132 and the wire groove 115, so that the lead 141 is not easy to displace.
One end of lead 141 is engaged with bayonet 116 to fix lead 141. The structure in this state is shown in fig. 17.
The two lug lugs 114 of the PIN 111 are bent and deformed toward each other by a tool or by hand, and the lead 141 is held and fixed by the lug lugs 114. An intermediate product of this step is shown in fig. 18, in which the lug 114 should have a certain curvature.
The contact portion between the PIN 111 and the lead 141 is welded, and since the lead 141 is fixed by the terminal PIN 113, a fixing step is not required, and welding may be selected, and soldering may be used for welding in order to make the terminal PIN 113 and the lead 141 more firm.
The lead 141 is cut at a predetermined position, which may be adjacent to the terminal pin 113.
The PIN needle 111 is synchronously bent, and the bending shape can be selected according to the requirement.
The side band 110 is removed, the PIN PIN 111 is bent firstly, and then the side band 110 is removed, which has the advantages that: the bending angles of the different PIN PINs 111 and the positions of the welding feet 112 can be completely unified.
The housing chamber 131 is filled with a sealing material, such as resin, or is closed by a cover plate.
After the encapsulating material is solidified or the cover plate is fixed, the electronic component 10 can be obtained.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.