CN114678333A - Improved lead frame and using method thereof - Google Patents
Improved lead frame and using method thereof Download PDFInfo
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- CN114678333A CN114678333A CN202210238924.XA CN202210238924A CN114678333A CN 114678333 A CN114678333 A CN 114678333A CN 202210238924 A CN202210238924 A CN 202210238924A CN 114678333 A CN114678333 A CN 114678333A
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- lead frame
- block
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
Abstract
The invention discloses an improved lead frame and a using method thereof, the improved lead frame comprises a plastic-sealed lead frame main body, heat dissipation assemblies are arranged on the outer surfaces of two ends of the plastic-sealed lead frame main body, supporting leg assemblies are arranged on the outer surfaces of two sides of the plastic-sealed lead frame main body, the number of the supporting leg assemblies is six, jacks are formed in the outer surfaces of two ends of the plastic-sealed lead frame main body, a convex clamping groove is formed in the lower portion of each jack, first inserting grooves are formed in the outer surfaces of two sides of the plastic-sealed lead frame main body, limiting grooves are formed in the left side and the right side of each first inserting groove, and each supporting leg assembly comprises a supporting rod, a connecting assembly and an adjusting assembly. The improved lead frame and the use method thereof have the advantages of good heat dissipation effect, convenience in mounting and dismounting between the support legs and the plastic-sealed lead frame body, convenience in adjusting the height of the plastic-sealed lead frame body and the like.
Description
Technical Field
The invention relates to the technical field of lead frames, in particular to an improved lead frame and a using method thereof.
Background
After a semiconductor chip is packaged, the semiconductor chip is communicated with an external circuit board through exposed pins, one end of each outer pin extends into a chip packaging area and is connected with the chip through a lead, and the other end of each outer pin extends out of the packaging area and is uniformly arranged, and the pins are generally bent, so that in the prior art, a Chinese patent document with an authorization publication number of CN204424316U discloses an SOP8 packaging lead frame of a high-power LED driving chip, which comprises the pins, side connecting ribs, a first base island and a second base island, enlarges the bearing area of the first base island, has good heat dissipation performance, but is inconvenient to mount and dismount between the pins and a main body, leads to the breakage of the pins in the transferring process, and the height of the plastic packaging lead frame main body is inconvenient to adjust, so that the plastic packaging lead frame has certain limitation in the mounting process, and brings certain adverse effects to the use process of people, to this end, we propose an improved lead frame and method of use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an improved lead frame and a using method thereof, which have the advantages of good heat dissipation effect, convenience in mounting and dismounting between support legs and a plastic-sealed lead frame body, convenience in adjusting the height of the plastic-sealed lead frame body and the like, and can effectively solve the problems in the background art.
(II) technical scheme
In order to realize the purpose, the invention adopts the technical scheme that: an improved lead frame and a using method thereof, comprising a plastic sealing lead frame main body, wherein heat dissipation assemblies are arranged on the outer surfaces of two ends of the plastic sealing lead frame main body, support leg assemblies are arranged on the outer surfaces of two sides of the plastic sealing lead frame main body, the number of the support leg assemblies is six, jacks are arranged on the outer surfaces of two ends of the plastic sealing lead frame main body, a convex clamping groove is arranged on the lower part of each jack, first slots are arranged on the outer surfaces of two sides of the plastic sealing lead frame main body, limiting grooves are arranged on the left and right sides of each first slot, each support leg assembly comprises a support bar, a connecting assembly and an adjusting assembly, the support bar is detachably connected with the plastic sealing lead frame main body through the connecting assembly, each heat dissipation assembly comprises a heat dissipation hole, a heat dissipation fin and a convex clamping block, and the convex clamping block is fixedly arranged in the middle of the outer surface of one side of the heat dissipation hole, the radiating holes are formed in the upper side and the lower side of the outer surface of the front end of the radiating fin.
As an optimal 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 clamped with the convex clamping groove.
As a preferred technical scheme, coupling assembling includes first inserted block, presses briquetting, screw hole, activity groove, screw rod, limiting plate, gag lever post, slide opening, first expanding spring, first activity chamber and stopper, just the left and right sides inside first inserted block is seted up in first activity chamber, the one end of first inserted block both sides surface is seted up in the activity groove, the other end of first inserted block both sides surface is seted up in the slide opening, just activity groove, slide opening communicate with each other with first activity chamber, be the joint between first inserted block and the first slot, be the joint between gag lever post and the gag lever post, the one end surface of first inserted block and the one end fixed surface of bracing piece are connected.
As a preferred technical scheme, first expanding spring, stopper all are located the inside in first activity chamber, first expanding spring's one end surface and the one end fixed connection in first activity chamber, first expanding spring's other end surface and the one side fixed surface connection of stopper, gag lever post fixed mounting is in the one end of stopper one side outer wall, press the other end of briquetting fixed mounting in stopper one side surface.
As a preferred technical scheme, the outer surface of one side 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 sliding hole.
As a preferred technical scheme, the limiting plate is fixedly mounted 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 part includes fixed block, spacing hole, second expanding spring, hemisphere type stopper, movable rod, second activity chamber, second slot and second inserted block, just the upper end surface at the fixed block is seted up to the second slot, one side surface of second inserted block and the other end fixed surface of bracing piece are connected, the quantity in spacing hole is three groups, three groups one side surface at the fixed block is seted up in spacing hole, just the fixed block communicates with each other with the second slot.
As a preferred technical scheme, the second movable cavity is formed in the lower portion of the outer surface of one side of the second inserting block, the second telescopic spring and the movable rod are located inside the second movable cavity, and the hemispherical limiting block is fixedly mounted on the outer surface of one end of the movable rod.
As a preferred technical scheme, be sliding connection between second inserted block and the second slot, second expanding spring's one end surface and the one end fixed connection in second activity chamber, second expanding spring's other end surface and the other end fixed surface of movable rod are connected, be sliding connection between movable rod and the second activity chamber, be the joint between hemisphere type stopper and the spacing hole.
The using method as a preferable technical scheme comprises the following operation steps:
s1, firstly, installing the heat dissipation assembly, inserting the convex fixture block into the jack, and then pressing the heat dissipation fin downwards to clamp the convex fixture block and the convex clamping groove, thereby completing the installation of the heat dissipation assembly;
s2, connecting the support leg assembly with the plastic-sealed lead frame body, compressing the first expansion spring by 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-sealed lead frame body, extruding the hemispherical limiting block, pulling the first movable cavity to enable the second inserting block to slide in the second slot, and when the hemispherical limiting block reaches the limiting hole, clamping the hemispherical limiting block and the limiting hole due to the reset action of the second telescopic spring so as to complete height adjustment.
(III) advantageous effects
Compared with the prior art, the invention provides an improved lead frame and a using method thereof, and the improved lead frame has the following beneficial effects:
1. this improved generation lead frame and application method thereof, at the radiator unit that plastics sealed lead frame main part both ends set up, when installing radiator unit at first, 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 radiating fin's installation, through the radiating fin who sets up, be convenient for dispel the heat with the heat that radiator unit showed, and through the louvre that sets up, further increase the radiating effect.
2. This improved generation lead frame and application method thereof, in order to make the installation of being convenient for dismantle between stabilizer blade subassembly and the plastics seal lead frame main part, the coupling assembling who sets up, at first extrude the press block, the press block slides along the activity groove, the press block drives the first expanding spring of slide opening extrusion in the inside in first activity chamber, the stopper drives that the gag lever post is good along the slide opening, make the gag lever post enter into the slide opening, then insert first inserted block in the first slot, loosen the press block, because first expanding spring's reset action, make the slide opening card go into in the spacing groove, thereby accomplish the installation of stabilizer blade subassembly, then carry out threaded connection with screw rod and screw hole, increase stability, and be convenient for transport after dismantling, reduce the spoilage.
3. This improved generation lead frame and application method thereof, in order to adjust the interval between plastics seal lead frame main part and the main part, be convenient for better heat dissipation, and for the convenience of plastics seal lead frame main part and install according to the condition of installation, the adjusting part who sets up, through extruding hemisphere type stopper, hemisphere type stopper drives the movable rod and slides along second activity chamber, make hemisphere type stopper enter into second activity chamber, then stimulate the second inserted block, make hemisphere type stopper reach another group spacing hole, because second expanding spring's reset action, make hemisphere type stopper enter into spacing hole, thereby accomplish the regulation of plastics seal lead frame main part height.
Drawings
Fig. 1 is a schematic overall structure diagram of an improved lead frame and a method for using the same according to the present invention.
Fig. 2 is a schematic structural diagram of a plastic-encapsulated lead frame body in an improved lead frame and a method for using the same according to the present invention.
Fig. 3 is a schematic structural diagram of a heat dissipation assembly in an improved lead frame and a method for using the same according to the present invention.
Fig. 4 is a schematic structural diagram of a leg assembly in an improved lead frame and a method for using the same according to the present invention.
Fig. 5 is a schematic structural diagram of an improved lead frame and a regulating assembly in the use method of the improved lead frame.
Fig. 6 is a schematic structural diagram of an improved lead frame and a connecting assembly used in the method of the present invention.
Fig. 7 is a schematic structural diagram of an improved lead frame and a regulating assembly in the use method of the improved lead frame.
In the figure: 1. a plastic-sealed lead frame body; 2. a heat dissipating component; 3. a leg assembly; 4. a jack; 5. a male card slot; 6. a first slot; 7. a limiting groove; 8. heat dissipation holes; 9. a heat dissipating fin; 10. a convex fixture block; 11. a support bar; 12. a connecting assembly; 13. an adjustment assembly; 14. a first insert block; 15. a pressing block; 16. a threaded hole; 17. a movable groove; 18. a screw; 19. a limiting plate; 20. a limiting rod; 21. a slide hole; 22. a first extension spring; 23. a first movable chamber; 24. a limiting block; 25. a fixed block; 26. a limiting hole; 27. a second extension spring; 28. a hemispherical stopper; 29. a movable rod; 30. a second movable chamber; 31. a second slot; 32. and a second insert block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, an improved lead frame and a method for using the same, comprising a plastic-sealed lead frame body 1, heat dissipation assemblies 2 are arranged on the outer surfaces of two ends of the plastic-sealed lead frame body 1, leg assemblies 3 are arranged on the outer surfaces of two sides of the plastic-sealed lead frame body 1, the number of the leg assemblies 3 is six, the outer surfaces of two ends of the plastic-sealed lead frame body 1 are provided with jacks 4, the lower portions of the jacks 4 are provided with convex clamping grooves 5, the outer surfaces of two sides of the plastic-sealed lead frame body 1 are provided with first slots 6, the left and right sides of the first slots 6 are provided with limit grooves 7, the leg assemblies 3 comprise support bars 11, connecting assemblies 12 and adjusting assemblies 13, the support bars 11 are detachably connected with the plastic-sealed lead frame body 1 through the connecting assemblies 12, the heat dissipation assemblies 2 comprise heat dissipation holes 8, heat dissipation fins 9 and convex clamping blocks 10, and the convex fixture block 10 is fixedly installed in the middle of the outer surface of one side of the heat dissipation hole 8, and the heat dissipation hole 8 is opened in the upper and lower sides of the outer surface of the front end of the heat dissipation fin 9.
Furthermore, the outer wall of the convex fixture block 10 is slidably connected with the jack 4, and the outer wall of the convex fixture block 10 is connected with the convex clamping groove 5 in a clamping manner.
Further, the connecting assembly 12 includes 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 extension spring 22, a first movable cavity 23 and a limiting block 24, wherein the first movable cavity 23 is arranged on the left side and the right side inside the first inserting block 14, the movable groove 17 is arranged on one end of the outer surfaces of the two sides of the first inserting block 14, the sliding hole 21 is arranged on the other end of the outer surfaces of the two sides of the first inserting block 14, the movable groove 17, the sliding hole 21 is 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 the outer surface of one end of the first inserting block 14 is fixedly connected with the outer surface of one end of the supporting rod 11.
Further, first expanding spring 22, stopper 24 all are located the inside in first activity chamber 23, the one end surface of first expanding spring 22 and the one end fixed connection in first activity chamber 23, the other end surface of first expanding spring 22 and one side fixed surface of stopper 24 are connected, gag lever post 20 fixed mounting is in the one end of stopper 24 one side outer wall, presses the other end of briquetting 15 fixed mounting in stopper 24 one side surface.
Furthermore, 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 expansion 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 sliding hole.
Furthermore, a limit plate 19 is fixedly mounted on the outer surface of one end of the screw 18, a 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 assembly 13 includes a fixing block 25, limiting holes 26, a second extension spring 27, a hemispherical limiting block 28, a movable rod 29, a second movable cavity 30, a second slot 31 and a second insert 32, the second slot 31 is provided on the outer surface of the upper end of the fixing block 25, the outer surface of one side of the second insert 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 sets of limiting holes 26 are provided on the outer surface of one side of the fixing block 25, and the fixing block 25 is communicated with the second slot 31.
Furthermore, a second movable cavity 30 is formed in the lower portion of the outer surface of one side of the second insertion block 32, the second extension spring 27 and the movable rod 29 are located inside the second movable cavity 30, and the hemispherical limiting block 28 is fixedly mounted on the outer surface of one end of the movable rod 29.
Furthermore, a sliding connection is formed between the second inserting block 32 and the second inserting groove 31, the outer surface of one end of the second telescopic spring 27 is fixedly connected with one end of the second movable cavity 30, the outer surface of the other end of the second telescopic spring 27 is fixedly connected with the outer surface of the other end 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 clamped with the limiting hole 26.
The further using method comprises the following operation steps:
s1, firstly, installing the heat dissipation assembly 2, inserting the convex fixture block 10 into the jack 4, and then pressing the heat dissipation fin 9 downwards to clamp the convex fixture block 10 and the convex clamping groove 5, so as to complete the installation of the heat dissipation assembly 2;
s2, connecting the supporting leg assembly 3 with the plastic-sealed lead frame body 1, compressing the first expansion spring 22 by extruding the pressing block 15, so that one end of the limiting rod 20 enters the sliding hole 21, inserting the first inserting block 14 into the first inserting groove 6, loosening the pressing block 15, so that the limiting rod 20 is clamped into the limiting groove 7, and connecting the screw rod 18 with the threaded hole 16 to increase stability;
And S3, finally, adjusting the height of the plastic-sealed lead frame body 1, extruding the hemispherical limiting block 28, pulling the first movable cavity 23 to enable the second inserting block 32 to slide in the second slot 31, and when the hemispherical limiting block 28 reaches the limiting hole 26, clamping the hemispherical limiting block 28 and the limiting hole 26 due to the reset action of the second telescopic spring 27, thereby completing the height adjustment.
Principle of operation
When the heat dissipation assemblies 2 arranged at two ends of the plastic-sealed lead frame body 1 are installed, firstly, the convex fixture block 10 is inserted into the jack 4, then the convex fixture block 10 is pressed downwards, the convex fixture block 10 is clamped with the convex clamping groove 5, so that the installation of the heat dissipation fins 9 is completed, the heat displayed by the heat dissipation assemblies 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 mounting and dismounting between the leg assembly 3 and the plastic-sealed lead frame 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 move along the sliding hole 21, so that the limiting rod 20 enters the sliding hole 21, then, the first inserting block 14 is inserted into the first inserting groove 6, the pressing block 15 is loosened, due to the resetting effect of the first telescopic spring 22, the sliding hole 21 is clamped into the limiting groove 7, so that the mounting of the leg assembly 3 is completed, then, the screw rod 18 is in threaded connection with the threaded hole 16, the stability is improved, the convenience is brought for later transfer, and the damage rate is reduced; in order to adjust the interval between plastic seal lead frame main part 1 and the main part, be convenient for better heat dissipation, and for the convenience of the condition of plastic seal lead frame main part 1 according to the installation is installed, the adjusting part 13 that sets up, through extrusion hemisphere stopper 28, hemisphere stopper 28 drives movable rod 29 and slides along second activity chamber 30, make hemisphere stopper 28 enter into second activity chamber 30, then stimulate second inserted block 32, make hemisphere stopper 28 reach another group spacing hole 26, because the reset action of second expanding spring 27, make hemisphere stopper 28 enter into spacing hole 26, thereby accomplish the regulation of plastic seal lead frame main part 1 height.
It is noted that, herein, relational terms such as first and second (first, second, and the like) 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. Also, 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 an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An improved generation lead frame, includes plastic envelope lead frame body (1), its characterized in that: the utility model discloses a plastic seal lead frame, including plastic seal lead frame main part (1), the both ends surface of plastic seal lead frame main part (1) is provided with radiator unit (2), the both sides surface of plastic seal lead frame main part (1) is provided with stabilizer blade subassembly (3), just the quantity of stabilizer blade subassembly (3) is six groups, jack (4) have been seted up to the both ends surface of plastic seal lead frame main part (1), protruding type draw-in groove (5) have been seted up to the lower part of jack (4), first slot (6) have been seted up to the both sides surface of plastic seal lead frame main part (1), spacing groove (7) have been seted up to the left and right sides of first slot (6), stabilizer blade subassembly (3) are including bracing piece (11), coupling assembling (12) and adjusting part (13), just bracing piece (11) can be dismantled with plastic seal lead frame main part (1) through coupling assembling (12) and be connected, radiator unit (2) include louvre (8), The radiating fin structure comprises radiating fins (9) and a convex clamping block (10), wherein the convex clamping block (10) is fixedly arranged in the middle of the outer surface of one side of the radiating hole (8), and the radiating hole (8) is formed in the upper side and the lower side of the outer surface of the front end of each radiating fin (9).
2. An improved lead frame according to claim 1, characterized in that: 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 clamped with the convex clamping groove (5).
3. An improved lead frame according to claim 1, characterized in that: the connecting component (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 a limiting block (24), and the first movable cavity (23) is arranged at the left side and the right side inside the first inserting block (14), the movable groove (17) is arranged at one end of the outer surface of the two sides of the first inserting block (14), the sliding hole (21) is arranged at the other end of the outer surface of the two sides of the first inserting block (14), and 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 slot (6), the limiting rod (20) is clamped with the limiting groove (7), the outer surface of one end of the first insertion block (14) is fixedly connected with the outer surface of one end of the support rod (11).
4. An improved lead frame according to claim 3, characterized in that: first expanding spring (22), stopper (24) all are located the inside in first activity chamber (23), the one end surface of first expanding spring (22) and the one end fixed connection in first activity chamber (23), the other end surface of first expanding spring (22) and one side fixed surface of stopper (24) are connected, gag lever post (20) fixed mounting is in the one end of stopper (24) one side outer wall, press the other end of briquetting (15) fixed mounting in stopper (24) one side surface.
5. An improved lead frame according to claim 3, characterized in that: 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 sliding hole.
6. An improved lead frame according to claim 3, characterized in that: the limiting plate (19) is fixedly installed 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).
7. An improved lead frame according to claim 1, wherein: adjusting part (13) include fixed block (25), spacing hole (26), second expanding spring (27), hemisphere type stopper (28), movable rod (29), second activity chamber (30), second slot (31) and second inserted block (32), just the upper end surface of fixed block (25) is seted up in second slot (31), one side surface of second inserted block (32) and the other end fixed surface of bracing piece (11) are connected, the quantity in spacing hole (26) is three groups, three groups one side surface of fixed block (25) is seted up in spacing hole (26), just fixed block (25) communicate with each other with second slot (31).
8. An improved lead frame according to claim 7, wherein: the second activity chamber (30) is seted up in the lower part of second inserted block (32) one side surface, second expanding spring (27), movable rod (29) are located the inside in second activity chamber (30), hemisphere type stopper (28) fixed mounting is in the one end surface of movable rod (29).
9. An improved lead frame according to claim 7, wherein: be sliding connection between second inserted block (32) and second slot (31), the one end surface of second expanding spring (27) and the one end fixed connection in second activity chamber (30), the other end surface of second expanding spring (27) and the other end fixed surface of movable rod (29) are connected, be sliding connection between movable rod (29) and second activity chamber (30), be the joint between hemisphere type stopper (28) and spacing hole (26).
10. The method of using an improved lead frame according to claim 1, wherein: the method comprises the following operation steps:
s1, firstly, installing the heat dissipation assembly (2), inserting the convex fixture block (10) into the insertion hole (4), and then pressing down the heat dissipation fin (9) to enable the convex fixture block (10) to be clamped with the convex clamping groove (5), so that the heat dissipation assembly (2) is installed;
S2, connecting the support leg assembly (3) with the plastic-sealed lead frame 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 with the threaded hole (16) through the screw (18) to increase stability;
and S3, finally, adjusting the height of the plastic-sealed lead frame main body (1), and pulling the first movable cavity (23) by extruding the hemispherical limiting block (28) to enable the second inserting block (32) to slide 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 is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238924.XA CN114678333A (en) | 2022-03-11 | 2022-03-11 | Improved lead frame and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238924.XA CN114678333A (en) | 2022-03-11 | 2022-03-11 | Improved lead frame and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114678333A true CN114678333A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210238924.XA Pending CN114678333A (en) | 2022-03-11 | 2022-03-11 | Improved lead frame and using method thereof |
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| CN (1) | CN114678333A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115669691A (en) * | 2022-10-31 | 2023-02-03 | 安徽省天河食品有限责任公司 | Thermal cycle formula cake is baking equipment in batches |
| CN117038475A (en) * | 2023-10-09 | 2023-11-10 | 四川明泰微电子有限公司 | Chip orthopedic device |
-
2022
- 2022-03-11 CN CN202210238924.XA patent/CN114678333A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115669691A (en) * | 2022-10-31 | 2023-02-03 | 安徽省天河食品有限责任公司 | Thermal cycle formula cake is baking equipment in batches |
| 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 |
| CN117038475A (en) * | 2023-10-09 | 2023-11-10 | 四川明泰微电子有限公司 | Chip orthopedic device |
| 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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