CN210897262U

CN210897262U - Conducting film lead frame with inclined bending part

Info

Publication number: CN210897262U
Application number: CN201922158208.7U
Authority: CN
Inventors: 邱洲笙
Original assignee: Suichuan Keytone Electronic Technology Co ltd
Current assignee: Suichuan Keytone Electronic Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-30
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a lead frame technical field just discloses a conductive film lead frame of part slope of bending, comprising a base plate, fixed orifices and third spread groove have conveniently been seted up to the inside of bottom plate, the positive fixed mounting of bottom plate has the slide rail, the top fixed mounting of slide rail has first stopper, second sliding tray and second spread groove have been seted up respectively to the inside of slide rail, the inner wall fixed mounting of second spread groove has the spring, the top fixedly connected with second stopper of spring, the top sliding connection of slide rail has the slider, and this conductive film lead frame of part slope of bending is through when needs are fixed with the connecting piece, puts into the bottom of clamp plate with the connecting piece, passes through the through-hole of clamp plate inside with the threaded rod and downwards rotary motion, inside the third spread groove of bottom plate entering threaded rod inside, again through last board of bending, The bending part is matched with the lower bending plate for use, so that the connecting piece is extremely easy to fix.

Description

Conducting film lead frame with inclined bending part

Technical Field

The utility model relates to a lead frame technical field specifically is a conducting film lead frame of part slope bends.

Background

With the rapid development of modern science and technology, the electronic industry enters a high-speed development stage, and electronic products can be used in various industries, for example, as the number of high-power semiconductor devices is increased more and more in a plastic packaging form, the lead frame is required to adapt to the requirements of heat dissipation, electric conduction and high-power chip bearing of the plastic packaging high-power device, the lead frame has to adapt to the requirements of heat dissipation, electric conduction and high-power chip bearing of the plastic packaging high-power device, and the material stress is uneven when the lead frame is bent in the production process, so that the base surface of the lead frame is easy to incline to cause.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a conducting film lead frame of part slope bends possesses very easily fixable, and the cost reduction advantage has solved the atress inhomogeneous, problem that the cost is increased.

(II) technical scheme

For realizing above-mentioned extremely easy fixed that possesses, the cost reduces the purpose, the utility model provides a following technical scheme: a conducting film lead frame with an inclined bending part comprises a bottom plate, wherein a fixing hole and a third connecting groove are conveniently formed in the bottom plate, the front surface of the bottom plate is fixedly provided with a slide rail, the top of the slide rail is fixedly provided with a first limit block, a second sliding groove and a second connecting groove are respectively arranged in the sliding rail, a spring is fixedly arranged on the inner wall of the second connecting groove, the top of the spring is fixedly connected with a second limiting block, the top of the slide rail is connected with a slide block in a sliding way, a first sliding groove is arranged inside the sliding block, a threaded rod is movably connected inside the third connecting groove, the top of the threaded rod is fixedly connected with a bolt cover, the outer side of the threaded rod is respectively and movably connected with a pressure plate and a backing plate, the top sliding connection of bottom plate has the connecting piece, first connecting groove has been seted up to the inside of connecting piece.

Preferably, the press plate comprises an upper bending plate, a bending part and a lower bending plate, so that the connecting piece cannot move in the connecting process.

Preferably, the first limiting block and the second limiting block are identical in shape and size, and the first limiting block and the second limiting block are convenient to damage and easy to replace and maintain.

Preferably, the width of the sliding block is equal to that of the first connecting groove, so that the sliding block can conveniently enter the first connecting groove to fix the connecting piece.

Preferably, the lower surface of clamp plate and the upper surface swing joint of backing plate, the lower surface of backing plate and the upper surface swing joint of connecting piece prevent that the connecting piece from rocking from top to bottom, protect the firm of connecting piece.

Preferably, the pressing plate is internally provided with a through hole matched with the threaded rod, so that the threaded rod can facilitate the fixation of the connecting piece through the pressing plate.

Preferably, the longest extension length of the spring is four fifths of the height of the second connecting groove, preventing the spring from popping out of the outside of the second connecting groove.

Three beneficial effects

Compared with the prior art, the utility model provides a conducting film lead frame of part slope bends possesses following beneficial effect:

1. this conductive film lead frame of part slope bends through when needs are fixed with the connecting piece, puts into the bottom of clamp plate with the connecting piece, passes through the through-hole of clamp plate inside with the threaded rod rotary motion downwards, with the threaded rod get into inside the third spread groove of bottom plate inside, again through last board of bending, the portion of bending and the cooperation of the board of bending down use to it is very easily fixed to reach the connecting piece.

2. This conducting film lead frame of part slope bends, when fixed through the top at the connecting piece and lower extreme, slide the slider to the inboard, the slider will drive second stopper downstream, the second stopper can compression spring downstream, when the slider is connected with first stopper, the spring can the up-moving, the spring will drive second stopper upward movement, when the connecting piece needs to be relieved, press the second stopper downwards can, reach operative installations's cost reuse, thereby reach the effect of cost reduction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side sectional view of the slide rail and the slide block according to the present invention;

FIG. 3 is a bottom partial sectional view of the structural device of the present invention;

fig. 4 is a schematic view of the structure pressing plate of the present invention.

In the figure: 1-bottom plate, 2-fixed hole, 3-sliding rail, 4-connecting piece, 5-pressing plate, 6-bolt cover, 7-first connecting groove, 8-sliding block, 9-first limiting block, 10-second limiting block, 11-first sliding groove, 12-second sliding groove, 13-second connecting groove, 14-spring, 15-lower bending plate, 16-bending part, 17-threaded rod, 18-third connecting groove, 19-upper bending plate and 20-backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a conducting film lead frame with an inclined bent portion comprises a bottom plate 1, a fixing hole 2 and a third connecting groove 18 are conveniently formed in the bottom plate 1, a sliding rail 3 is fixedly installed on the front surface of the bottom plate 1, a first limiting block 9 is fixedly installed on the top of the sliding rail 3, a second sliding groove 12 and a second connecting groove 13 are respectively formed in the sliding rail 3, a spring 14 is fixedly installed on the inner wall of the second connecting groove 13, the longest extension length of the spring 14 is four fifths of the height of the second connecting groove 13, the spring 14 is prevented from popping out of the outer side of the second connecting groove 13, a second limiting block 10 is fixedly connected to the top of the spring 14, the first limiting block 9 and the second limiting block 10 are identical in shape and size, the first limiting block 9 and the second limiting block 10 are convenient to damage and are easy to replace and maintain, and a, the inside of the sliding block 8 is provided with a first sliding groove 11, the inside of the third connecting groove 18 is movably connected with a threaded rod 17, the top of the threaded rod 17 is fixedly connected with a bolt cover 6, the outer side of the threaded rod 17 is respectively and movably connected with a pressing plate 5 and a backing plate 20, the top of the bottom plate 1 is slidably connected with a connecting piece 4, the pressing plate 5 is composed of an upper bending plate 19, a bending part 16 and a lower bending plate 15, the connecting piece 4 is ensured not to move in the connecting process, the width of the sliding block 8 is equal to that of the first connecting groove 7, the sliding block 8 can conveniently enter the first connecting groove 7 to fix the connecting piece 4, the lower surface of the pressing plate 5 is movably connected with the upper surface of the backing plate 20, the lower surface of the backing plate 20 is movably connected with the upper surface of the connecting piece 4, the connecting piece 4, the threaded rod 17 facilitates the fixation of the connecting piece 4 through the pressing plate 5, and the first connecting groove 7 is formed in the connecting piece 4.

The working principle is that when the connecting piece 4 needs to be fixed, the connecting piece 4 is placed at the bottom of the pressing plate 5, the threaded rod 17 rotates downwards through the through hole in the pressing plate 5, the threaded rod 17 enters the third connecting groove 18 in the bottom plate 1, and then the upper bending plate 19, the bending part 16 and the lower bending plate 15 are matched for use, so that the connecting piece 4 is extremely easy to fix, when the top end and the lower end of the connecting piece 4 are fixed, the sliding block 8 slides inwards, the sliding block 8 drives the second limiting block 10 to move downwards, the second limiting block 10 compresses the spring 14 to move downwards, when the sliding block 8 is connected with the first limiting block 9, the spring 14 moves upwards, the spring 14 drives the second limiting block 10 to move upwards, when the connecting piece 4 needs to be released, the second limiting block 10 is pressed downwards, and the cost of the using device can be recycled, thereby achieving the effect of cost reduction.

To sum up, when the connecting member 4 needs to be fixed, the connecting member 4 is placed at the bottom of the pressing plate 5, the threaded rod 17 is rotated downward through the through hole inside the pressing plate 5, the threaded rod 17 enters the third connecting groove 18 inside the bottom plate 1, and then the upper bending plate 19, the bending part 16 and the lower bending plate 15 are used in cooperation, so that the connecting member 4 is easy to fix, when the top end and the lower end of the connecting member 4 are fixed, the sliding block 8 slides inward, the sliding block 8 drives the second limiting block 10 to move downward, the second limiting block 10 compresses the spring 14 to move downward, when the sliding block 8 is connected with the first limiting block 9, the spring 14 moves upward, the spring 14 drives the second limiting block 10 to move upward, when the connecting member 4 needs to be released, the second limiting block 10 is pressed downwards, so that the cost of the using device can be recycled, and the effect of reducing the cost is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A conducting film lead frame with inclined bending part comprises a bottom plate (1) and is characterized in that: the fixing hole (2) and the third connecting groove (18) are conveniently formed in the bottom plate (1), the sliding rail (3) is fixedly mounted on the front face of the bottom plate (1), the first limiting block (9) is fixedly mounted at the top of the sliding rail (3), the second sliding groove (12) and the second connecting groove (13) are respectively formed in the sliding rail (3), the spring (14) is fixedly mounted on the inner wall of the second connecting groove (13), the second limiting block (10) is fixedly connected to the top of the spring (14), the sliding block (8) is slidably connected to the top of the sliding rail (3), the first sliding groove (11) is formed in the sliding block (8), the threaded rod (17) is movably connected to the inside of the third connecting groove (18), the bolt cover (6) is fixedly connected to the top of the threaded rod (17), and the pressing plate (5) and the backing plate (20) are movably connected to the outer side of the threaded rod (17, the top of the bottom plate (1) is connected with a connecting piece (4) in a sliding mode, and a first connecting groove (7) is formed in the connecting piece (4).

2. The lead frame of a conductive film having a bent portion inclined according to claim 1, wherein: the pressing plate (5) consists of an upper bending plate (19), a bending part (16) and a lower bending plate (15).

3. The lead frame of a conductive film having a bent portion inclined according to claim 1, wherein: the first limiting block (9) and the second limiting block (10) are identical in shape and size.

4. The lead frame of a conductive film having a bent portion inclined according to claim 1, wherein: the width of the sliding block (8) is equal to that of the first connecting groove (7).

5. The lead frame of a conductive film having a bent portion inclined according to claim 1, wherein: the lower surface of the pressing plate (5) is movably connected with the upper surface of the backing plate (20), and the lower surface of the backing plate (20) is movably connected with the upper surface of the connecting piece (4).

6. The lead frame of a conductive film having a bent portion inclined according to claim 1, wherein: and a through hole matched with the threaded rod (17) is formed in the pressing plate (5).

7. The lead frame of a conductive film having a bent portion inclined according to claim 1, wherein: the longest extension of the spring (14) is four fifths of the height of the second coupling groove (13).