CN114678333B - Improved lead frame and use method thereof - Google Patents
Improved lead frame and use method thereofInfo
- Publication number
- CN114678333B CN114678333B CN202210238924.XA CN202210238924A CN114678333B CN 114678333 B CN114678333 B CN 114678333B CN 202210238924 A CN202210238924 A CN 202210238924A CN 114678333 B CN114678333 B CN 114678333B
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- Prior art keywords
- block
- limiting
- lead frame
- movable
- rod
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/22—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections
- H10W40/226—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/40—Leadframes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本发明公开了一种改进型引线框架及其使用方法，包括塑料封引线框架主体，所述塑料封引线框架主体的两端外表面设置有散热组件，所述塑料封引线框架主体的两侧外表面设置有支脚组件，且所述支脚组件的数量为六组，所述塑料封引线框架主体的两端外表面开设有插孔，所述插孔的下部开设有凸型卡槽，所述塑料封引线框架主体的两侧外表面开设有第一插槽，所述第一插槽的左右两侧开设有限位槽，所述支脚组件包括支撑杆、连接组件与调节组件。本发明所述的一种改进型引线框架及其使用方法，具备散热效果好，支脚与塑料封引线框架主体之间便于安装拆卸，便于调节塑料封引线框架主体的高度等优点。
The present invention discloses an improved lead frame and a method for using the same, comprising a plastic-sealed lead frame body, heat dissipation assemblies provided on both ends of the outer surface of the plastic-sealed lead frame body, support leg assemblies provided on both sides of the outer surface of the plastic-sealed lead frame body, and six sets of support leg assemblies, sockets provided on both ends of the outer surface of the plastic-sealed lead frame body, convex slots provided at the lower portion of the sockets, first slots provided on both sides of the outer surface of the plastic-sealed lead frame body, and limit slots provided on the left and right sides of the first slot, the support leg assemblies including support rods, connecting assemblies, and adjusting assemblies. The improved lead frame and the method for using the same according to the present invention have the advantages of good heat dissipation, easy installation and disassembly between the support legs and the plastic-sealed lead frame body, and easy adjustment of the height of the plastic-sealed lead frame body.
Description
Technical Field
The invention relates to the technical field of lead frames, in particular to an improved lead frame and a use method thereof.
Background
After packaging a semiconductor chip, the semiconductor chip is communicated with an external circuit board through exposed pins, one ends of the outer pins extend into a chip packaging area and are connected with the chip through leads, the other ends of the outer pins extend out of the packaging area to be uniformly arranged, the pins are generally in a bent shape because the pins are not contacted with each other, in the prior art, a Chinese patent document with an authorized bulletin number of CN204424316U discloses an SOP8 packaging lead frame of a high-power LED driving chip, the SOP8 packaging lead frame comprises the pins, side connecting ribs, a first base island and a second base island, the bearing area of the first base island is enlarged, the effect of good heat dissipation performance is achieved, but the pins and a main body are inconvenient to mount and dismount, the pins are broken in the transferring process, and the height of a plastic lead frame main body is inconvenient to adjust, so that the lead frame has certain limitation in the mounting process, and brings certain adverse effects to the use process of people.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides an improved lead frame and a use method thereof, which have the advantages of good heat dissipation effect, convenient installation and disassembly between the support legs and the plastic package lead frame main body, convenient adjustment of the height of the plastic package lead frame main body and the like, and can effectively solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the invention is that the improved lead frame comprises a plastic lead frame main body, wherein heat dissipation components are arranged on the outer surfaces of two ends of the plastic lead frame main body, support leg components are arranged on the outer surfaces of two sides of the plastic lead frame main body, the number of the support leg components is six, insertion holes are formed in the outer surfaces of two ends of the plastic lead frame main body, convex clamping grooves are formed in the lower portions of the insertion holes, first slots are formed in the outer surfaces of two sides of the plastic lead frame main body, limit grooves are formed in the left side and the right side of the first slots, the support leg components comprise support rods, connecting components and adjusting components, the support rods are detachably connected with the plastic lead frame main body through the connecting components, the heat dissipation components comprise heat dissipation holes, heat dissipation fins and convex clamping blocks, the convex clamping blocks are fixedly arranged in the middle of one side outer surfaces of the heat dissipation holes, and the heat dissipation holes are formed in the upper side and lower side of the outer surfaces of the front ends of the fins.
As a preferable technical scheme, the outer wall of the convex clamping block is in sliding connection with the jack, and the outer wall of the convex clamping block is in clamping connection with the convex clamping groove.
As a preferred technical scheme, coupling assembling includes first inserted block, presses briquetting, screw hole, movable groove, screw rod, limiting plate, gag lever post, slide hole, first expansion spring, first movable chamber and stopper, just first movable chamber is seted up in the inside left and right sides of first inserted block, the one end of first inserted block both sides surface is seted up in the movable groove, the slide hole is seted up in the other end of first inserted block both sides surface, just movable groove, slide hole communicate with each other with first movable chamber, be the joint between first inserted block and the first slot, be the joint between gag lever post and the limiting groove, the one end surface of first inserted block and the one end surface fixed connection of bracing piece.
As a preferred technical scheme, first telescopic spring, stopper all are located the inside in first movable chamber, the one end surface of first telescopic spring and the one end fixed connection in first movable chamber, the other end surface of first telescopic spring and one side surface fixed connection of stopper, gag lever post fixed mounting is in the one end of stopper one side surface, press the other end of piece fixed mounting in stopper one side surface.
As a preferable technical scheme, one side outer surface of the limiting block is elastically connected with one end of the first movable cavity through a first telescopic spring, the limiting rod is in sliding connection with the sliding hole, and the pressing block is in sliding connection with the movable groove.
As a preferable technical scheme, the limiting plate is fixedly arranged on the outer surface of one end of the screw rod, the threaded hole is formed in the outer surface of one end of the pressing block, and the screw rod is in threaded connection with the threaded hole.
As a preferred technical scheme, the adjusting component comprises a fixed block, a limiting hole, a second telescopic spring, a hemispherical limiting block, a movable rod, a second movable cavity, a second slot and a second inserting block, wherein the second slot is formed in the outer surface of the upper end of the fixed block, one side outer surface of the second inserting block is fixedly connected with the outer surface of the other end of the supporting rod, the number of the limiting holes is three, the limiting holes are formed in one side outer surface of the fixed block, and the limiting holes are communicated with the second slot.
As a preferable technical scheme, the second movable cavity is arranged at the lower part of one side outer surface of the second insertion block, the second telescopic spring and the movable rod are positioned in the second movable cavity, and the hemispherical limiting block is fixedly arranged at one end outer surface of the movable rod.
As a preferable technical scheme, sliding connection is arranged between the second inserting block and the second inserting groove, one end outer surface of the second telescopic spring is fixedly connected with one end of the second movable cavity, the other end outer surface of the second telescopic spring is fixedly connected with the other end outer surface of the movable rod, sliding connection is arranged between the movable rod and the second movable cavity, and clamping connection is arranged between the hemispherical limiting block and the limiting hole.
The application method as a preferred technical scheme comprises the following operation steps:
s1, firstly, installing a heat radiation assembly, namely inserting a convex clamping block into an insertion hole, and then pressing down a heat radiation fin to clamp the convex clamping block with a convex clamping groove, so that the heat radiation assembly is installed;
S2, connecting the support leg assembly with the plastic lead frame main body, compressing the first telescopic spring through extruding the pressing block to enable one end of the limiting rod to enter the sliding hole, inserting the first inserting block into the first inserting groove, loosening the pressing block to enable the limiting rod to be clamped into the limiting groove, and connecting the limiting rod with the threaded hole through the screw rod to increase stability;
And S3, finally, adjusting the height of the plastic lead frame main body, and pulling the second insert block 32 by extruding the hemispherical limiting block, so that the second insert block slides in the second slot, and when the hemispherical limiting block reaches the limiting hole, the hemispherical limiting block is clamped with the limiting hole due to the resetting effect of the second telescopic spring, so that the height adjustment is completed.
(III) beneficial effects
Compared with the prior art, the invention provides an improved lead frame and a use method thereof, and the improved lead frame has the following beneficial effects:
1. This improved generation lead frame and application method thereof, when the heat dissipation subassembly that the plastics sealed lead frame main part both ends set up, at first install the heat dissipation subassembly, through inserting protruding type fixture block in the jack, then push down protruding type fixture block for carry out the joint between protruding type fixture block and the protruding type draw-in groove, thereby accomplish the installation of radiating fin, through the radiating fin of setting up, be convenient for dispel the heat with the heat that the heat dissipation subassembly represents, and through the louvre of setting up, further increase radiating effect.
2. This improved generation lead frame and application method thereof, in order to make between stabilizer blade subassembly and the plastics seal the lead frame main part easy to assemble and dismantle, the coupling assembling of setting, at first extrusion press the briquetting, press the briquetting and slide along the movable groove, press the inside extrusion first expansion spring of slide hole in first movable chamber of briquetting drive, the stopper drives the gag lever post along the one of slide Kong Haode for the gag lever post enters into the slide hole, then insert first inserted block in first slot, loosen and press the briquetting, because the reset effect of first expansion spring, make the slide hole card go into in the limit groove, thereby accomplish the installation of stabilizer blade subassembly, then carry out threaded connection with screw rod and screw hole, increase stability, and transport after being convenient for disassemble, reduce the damage rate.
3. This improved generation lead frame and application method thereof, for adjusting the interval between plastics lead frame main part and the main part, be convenient for better heat dissipation, and for the plastics lead frame main part of being convenient for installs according to the condition of installation, the regulation subassembly of setting, through extrusion hemisphere type stopper, hemisphere type stopper drives movable rod and slides along the second movable chamber for hemisphere type stopper enters into in the second movable chamber, then the pulling second inserted block, make hemisphere type stopper reach another group spacing hole, because the reset action of second telescopic spring, make hemisphere type stopper enter into in the spacing hole, thereby accomplish the regulation of plastics lead frame main part height.
Drawings
Fig. 1 is a schematic overall structure of an improved lead frame and a method for using the same according to the present invention.
Fig. 2 is a schematic structural view of a plastic lead frame body of an improved lead frame and a method for using the same according to the present invention.
Fig. 3 is a schematic structural diagram of an improved leadframe and a heat dissipating assembly used in the method of using the same according to the present invention.
Fig. 4 is a schematic structural view of an improved lead frame and a leg assembly according to the present invention.
Fig. 5 is a schematic structural diagram of an improved lead frame and a connection assembly used in the method of using the same according to the present invention.
Fig. 6 is a schematic structural diagram of an improved lead frame and a connection assembly used in the method of using the same according to the present invention.
Fig. 7 is a schematic structural diagram of an improved lead frame and an adjusting assembly used in the method of using the same.
In the figure, a lead frame main body is sealed by 1, a heat radiating component, 3, a support leg component, 4, an inserting hole, 5, a convex clamping groove, 6, a first inserting groove, 7, a limiting groove, 8, a heat radiating hole, 9, a heat radiating fin, 10, a convex clamping block, 11, a supporting rod, 12, a connecting component, 13, an adjusting component, 14, a first inserting block, 15, a pressing block, 16, a threaded hole, 17, a movable groove, 18, a screw rod, 19, a limiting plate, 20, a limiting rod, 21, a sliding hole, 22, a first telescopic spring, 23, a first movable cavity, 24, a limiting block, 25, a fixed block, 26, a limiting hole, 27, a second telescopic spring, 28, a hemispherical limiting block, 29, a movable rod, 30, a second movable cavity, 31, a second inserting groove, 32 and a second inserting block.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-7, an improved lead frame and a use method thereof, the improved lead frame comprises a plastic lead frame body 1, heat dissipation components 2 are arranged on the outer surfaces of two ends of the plastic lead frame body 1, support leg components 3 are arranged on the outer surfaces of two sides of the plastic lead frame body 1, the number of the support leg components 3 is six, insertion holes 4 are formed in the outer surfaces of two ends of the plastic lead frame body 1, convex clamping grooves 5 are formed in the lower portions of the insertion holes 4, first insertion grooves 6 are formed in the outer surfaces of two sides of the plastic lead frame body 1, limiting grooves 7 are formed in the left side and the right side of the first insertion grooves 6, the support leg components 3 comprise support rods 11, connecting components 12 and adjusting components 13, the support rods 11 are detachably connected with the plastic lead frame body 1 through the connecting components 12, the heat dissipation components 2 comprise heat dissipation holes 8, heat dissipation fins 9 and convex clamping blocks 10, the convex clamping blocks 10 are fixedly mounted in the middle of one side outer surface of the heat dissipation holes 8, and the heat dissipation holes 8 are formed in the upper side and lower side outer surfaces of the front ends of the heat dissipation fins 9.
Further, the outer wall of the convex clamping block 10 is in sliding connection with the jack 4, and the outer wall of the convex clamping block 10 is in clamping connection with the convex clamping groove 5.
Further, the connecting assembly 12 includes a first insert 14, a pressing block 15, a threaded hole 16, a movable slot 17, a screw 18, a limiting plate 19, a limiting rod 20, a sliding hole 21, a first telescopic spring 22, a first movable cavity 23 and a limiting block 24, wherein the first movable cavity 23 is formed on the left side and the right side of the interior of the first insert 14, the movable slot 17 is formed at one end of the outer surfaces of the two sides of the first insert 14, the sliding hole 21 is formed at the other end of the outer surfaces of the two sides of the first insert 14, the movable slot 17, the sliding hole 21 are communicated with the first movable cavity 23, the first insert 14 is in clamping connection with the first slot 6, the limiting rod 20 is in clamping connection with the limiting groove 7, and the outer surface of one end of the first insert 14 is fixedly connected with the outer surface of one end of the supporting rod 11.
Further, the first telescopic spring 22 and the limiting block 24 are both located inside the first movable cavity 23, one end outer surface of the first telescopic spring 22 is fixedly connected with one end of the first movable cavity 23, the other end outer surface of the first telescopic spring 22 is fixedly connected with one side outer surface of the limiting block 24, the limiting rod 20 is fixedly installed at one end of one side outer surface of the limiting block 24, and the pressing block 15 is fixedly installed at the other end of one side outer surface of the limiting block 24.
Further, the outer surface of one side of the limiting block 24 is elastically connected with one end of the first movable cavity 23 through the first telescopic spring 22, the limiting rod 20 is slidably connected with the sliding hole 21, and the pressing block 15 is slidably connected with the movable groove 17.
Further, the limiting plate 19 is fixedly installed on the outer surface of one end of the screw 18, the threaded hole 16 is formed in the outer surface of one end of the pressing block 15, and the screw 18 is in threaded connection with the threaded hole 16.
Further, the adjusting component 13 includes a fixed block 25, a limiting hole 26, a second telescopic spring 27, a hemispherical limiting block 28, a movable rod 29, a second movable cavity 30, a second slot 31 and a second insert block 32, wherein the second slot 31 is formed on the outer surface of the upper end of the fixed block 25, one side outer surface of the second insert block 32 is fixedly connected with the outer surface of the other end of the supporting rod 11, the number of the limiting holes 26 is three, the three groups of limiting holes 26 are formed on one side outer surface of the fixed block 25, and the limiting holes 26 are communicated with the second slot 31.
Further, the second movable cavity 30 is disposed at a lower portion of one side outer surface of the second insert block 32, the second expansion spring 27 and the movable rod 29 are disposed inside the second movable cavity 30, and the hemispherical stopper 28 is fixedly mounted on one end outer surface of the movable rod 29.
Further, the second insert block 32 is slidably connected with the second slot 31, one end outer surface of the second telescopic spring 27 is fixedly connected with one end of the second movable cavity 30, the other end outer surface of the second telescopic spring 27 is fixedly connected with the other end outer surface of the movable rod 29, the movable rod 29 is slidably connected with the second movable cavity 30, and the hemispherical limiting block 28 is in clamping connection with the limiting hole 26.
A further method of use comprises the following operative steps:
s1, firstly, mounting a heat radiation assembly 2, namely inserting a convex clamping block 10 into an insertion hole 4, and then pressing down a heat radiation fin 9 to clamp the convex clamping block 10 with a convex clamping groove 5, so as to finish the mounting of the heat radiation assembly 2;
S2, connecting the support leg assembly 3 with the plastic lead frame main body 1, compressing the first telescopic spring 22 by extruding the pressing block 15, enabling one end of the limiting rod 20 to enter the sliding hole 21, inserting the first inserting block 14 into the first inserting groove 6, loosening the pressing block 15, enabling the limiting rod 20 to be clamped into the limiting groove 7, and connecting the limiting rod 20 with the threaded hole 16 by the screw 18, so that stability is improved;
And S3, finally, adjusting the height of the plastic-sealed lead frame main body 1, and pulling the second insert block 32 by extruding the hemispherical limiting block 28, so that the second insert block 32 slides in the second slot 31, and when the hemispherical limiting block 28 reaches the limiting hole 26, the hemispherical limiting block 28 is clamped with the limiting hole 26 due to the reset action of the second telescopic spring 27, so that the height adjustment is completed.
Principle of operation
When the heat dissipation components 2 are arranged at the two ends of the plastic lead frame main body 1, firstly, the heat dissipation components 2 are installed, the convex clamping blocks 10 are inserted into the jacks 4, then the convex clamping blocks 10 are pressed down, so that the convex clamping blocks 10 are clamped with the convex clamping grooves 5, the installation of the heat dissipation fins 9 is completed, the heat represented by the heat dissipation components 2 is conveniently dissipated through the arranged heat dissipation fins 9, and the heat dissipation effect is further improved through the arranged heat dissipation holes 8; in order to facilitate the assembly and disassembly between the leg assembly 3 and the plastic lead frame main body 1, the connecting assembly 12 is arranged, firstly, the pressing block 15 is pressed, the pressing block 15 slides along the movable groove 17, the pressing block 15 drives the sliding hole 21 to press the first telescopic spring 22 in the first movable cavity 23, the limiting block 24 drives the limiting rod 20 to enter the sliding hole 21 along the good one of the sliding holes 21, then the first inserting block 14 is inserted into the first slot 6, the pressing block 15 is loosened, the sliding hole 21 is clamped into the limiting groove 7 due to the reset action of the first telescopic spring 22, thereby completing the assembly of the leg assembly 3, then the screw 18 is in threaded connection with the threaded hole 16, the stability is increased, the disassembly is facilitated, the damage rate is reduced, in order to adjust the space between the plastic lead frame main body 1 and the main body, the better heat dissipation is facilitated, in order to facilitate the assembly of the plastic lead frame main body 1 according to the installation condition, the adjusting assembly 13 is arranged, the hemispherical limiting block 28 is pressed, the hemispherical limiting block 28 drives the movable rod 29 to slide along the second movable cavity 30, the hemispherical limiting block 28 enters the second movable cavity 30, the hemispherical limiting block 28 is pulled into the second hemispherical block 28, and then the hemispherical limiting block 28 reaches the other hemispherical limiting block 28 is pulled into the second movable cavity 32, due to the resetting action of the second telescopic spring 27, the hemispherical limiting block 28 enters the limiting hole 26, and therefore the height of the plastic-sealed lead frame main body 1 is adjusted.
It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The improved lead frame comprises a plastic lead frame body (1) and is characterized in that heat dissipation components (2) are arranged on the outer surfaces of two ends of the plastic lead frame body (1), support leg components (3) are arranged on the outer surfaces of two sides of the plastic lead frame body (1), the number of the support leg components (3) is six, insertion holes (4) are formed in the outer surfaces of two ends of the plastic lead frame body (1), a convex clamping groove (5) is formed in the lower portion of the insertion holes (4), first slots (6) are formed in the outer surfaces of two sides of the plastic lead frame body (1), limit grooves (7) are formed in the left side and the right side of the first slots (6), the support leg components (3) comprise support rods (11), connecting components (12) and adjusting components (13), the support rods (11) are detachably connected with the plastic lead frame body (1) through the connecting components (12), the support rods (11) comprise heat dissipation holes (8), fins (9) and convex clamping blocks (10), and the two sides of the plastic lead frame body (1) are fixedly arranged on the outer surfaces of the two sides of the first slots (6) respectively, and the two sides of the first slots (12) are fixedly arranged on the upper side of the heat dissipation holes (8) and the middle portions of the two sides of the support rods are fixedly arranged on the middle sides of the heat dissipation holes.
The connecting assembly (12) comprises a first inserting block (14), a pressing block (15), a threaded hole (16), a movable groove (17), a screw rod (18), a limiting plate (19), a limiting rod (20), a sliding hole (21), a first telescopic spring (22), a first movable cavity (23) and limiting blocks (24), wherein the first movable cavity (23) is formed in the left side and the right side of the inside of the first inserting block (14), the movable groove (17) is formed in one end of the outer surfaces of the two sides of the first inserting block (14), the sliding hole (21) is formed in the other end of the outer surfaces of the two sides of the first inserting block (14), the movable groove (17) and the sliding hole (21) are communicated with the first movable cavity (23), the first inserting block (14) is clamped with the first inserting groove (6), the limiting rod (20) is clamped with the limiting groove (7), and one end outer surface of the first inserting block (14) is fixedly connected with one end outer surface of the supporting rod (11).
The first telescopic spring (22) and the limiting block (24) are both positioned in the first movable cavity (23), one end outer surface of the first telescopic spring (22) is fixedly connected with one end of the first movable cavity (23), the other end outer surface of the first telescopic spring (22) is fixedly connected with one side outer surface of the limiting block (24), the limiting rod (20) is fixedly arranged at one end of one side outer surface of the limiting block (24), and the pressing block (15) is fixedly arranged at the other end of one side outer surface of the limiting block (24);
The outer surface of one side of the limiting block (24) is elastically connected with one end of the first movable cavity (23) through a first telescopic spring (22), the limiting rod (20) is in sliding connection with the sliding hole (21), and the pressing block (15) is in sliding connection with the movable groove (17);
The limiting plate (19) is fixedly arranged on the outer surface of one end of the screw rod (18), the threaded hole (16) is formed in the outer surface of one end of the pressing block (15), and the screw rod (18) is in threaded connection with the threaded hole (16);
the adjusting component (13) comprises a fixed block (25), limiting holes (26), a second telescopic spring (27), hemispherical limiting blocks (28), a movable rod (29), a second movable cavity (30), a second slot (31) and a second inserting block (32), wherein the second slot (31) is formed in the outer surface of the upper end of the fixed block (25), one outer surface of the second inserting block (32) is fixedly connected with the outer surface of the other end of the supporting rod (11), the number of the limiting holes (26) is three, three groups of limiting holes (26) are formed in one outer surface of the fixed block (25), and the limiting holes (26) are communicated with the second slot (31);
The second movable cavity (30) is arranged at the lower part of one side outer surface of the second insertion block (32), the second telescopic spring (27) and the movable rod (29) are positioned in the second movable cavity (30), and the hemispherical limiting block (28) is fixedly arranged on one end outer surface of the movable rod (29);
The second inserting block (32) is in sliding connection with the second inserting groove (31), one end outer surface of the second telescopic spring (27) is fixedly connected with one end of the second movable cavity (30), the other end outer surface of the second telescopic spring (27) is fixedly connected with the other end outer surface of the movable rod (29), the movable rod (29) is in sliding connection with the second movable cavity (30), and the hemispherical limiting block (28) is in clamping connection with the limiting hole (26).
2. The improved lead frame as claimed in claim 1, wherein the outer wall of the convex clamping block (10) is in sliding connection with the jack (4), and the outer wall of the convex clamping block (10) is in clamping connection with the convex clamping groove (5).
3. The method of using an improved lead frame according to any one of claims 1-2, comprising the steps of:
S1, firstly, mounting a heat radiation assembly (2), and then pressing down a heat radiation fin (9) by inserting a convex clamping block (10) into an insertion hole (4) so as to clamp the convex clamping block (10) with a convex clamping groove (5), thereby completing the mounting of the heat radiation assembly (2);
S2, connecting the support leg assembly (3) with the plastic lead frame main body (1), compressing the first telescopic spring (22) by extruding the pressing block (15) to enable one end of the limiting rod (20) to enter the sliding hole (21), inserting the first inserting block (14) into the first inserting groove (6), loosening the pressing block (15) to enable the limiting rod (20) to be clamped into the limiting groove (7), and connecting the limiting rod with the threaded hole (16) by the screw (18) to increase stability;
And S3, finally, adjusting the height of the plastic lead frame main body (1), and pulling the second inserting block (32) by extruding the hemispherical limiting block (28) so that the second inserting block (32) slides in the second inserting groove (31), wherein when the hemispherical limiting block (28) reaches the limiting hole (26), the hemispherical limiting block (28) is clamped with the limiting hole (26) due to the resetting effect of the second telescopic spring (27), so that the height adjustment is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238924.XA CN114678333B (en) | 2022-03-11 | 2022-03-11 | Improved lead frame and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238924.XA CN114678333B (en) | 2022-03-11 | 2022-03-11 | Improved lead frame and use method thereof |
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| Publication Number | Publication Date |
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| CN114678333A CN114678333A (en) | 2022-06-28 |
| CN114678333B true CN114678333B (en) | 2025-08-19 |
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| CN115669691B (en) * | 2022-10-31 | 2023-11-10 | 安徽省天河食品有限责任公司 | Thermal cycle formula cake baking equipment in batches |
| CN117038475B (en) * | 2023-10-09 | 2024-01-23 | 四川明泰微电子有限公司 | Chip orthopedic device |
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| CN212365960U (en) * | 2020-06-16 | 2021-01-15 | 深圳市三联盛科技股份有限公司 | Multi-leg semiconductor integrated circuit lead frame |
| CN214477406U (en) * | 2021-04-20 | 2021-10-22 | 深圳南信国际电子有限公司 | Non-contact card chip packaging structure with good heat dissipation performance |
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| CN208985978U (en) * | 2018-11-06 | 2019-06-14 | 泰州麒润电子有限公司 | A kind of easy-to-mount lead frame |
| CN209496864U (en) * | 2018-12-06 | 2019-10-15 | 宁波华龙电子股份有限公司 | A kind of power device lead frame with regulatory function |
| CN213242548U (en) * | 2020-11-12 | 2021-05-18 | 南京邦得电子科技有限公司 | Lead frame with stable structure |
| CN214428628U (en) * | 2021-03-31 | 2021-10-19 | 东莞市中之电子科技有限公司 | Height-adjustable schottky diode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212365960U (en) * | 2020-06-16 | 2021-01-15 | 深圳市三联盛科技股份有限公司 | Multi-leg semiconductor integrated circuit lead frame |
| CN214477406U (en) * | 2021-04-20 | 2021-10-22 | 深圳南信国际电子有限公司 | Non-contact card chip packaging structure with good heat dissipation performance |
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