CN201804851U - Novel integrated circuit (IC) fixed clip for car amplifier - Google Patents
Novel integrated circuit (IC) fixed clip for car amplifier Download PDFInfo
- Publication number
- CN201804851U CN201804851U CN2010205159492U CN201020515949U CN201804851U CN 201804851 U CN201804851 U CN 201804851U CN 2010205159492 U CN2010205159492 U CN 2010205159492U CN 201020515949 U CN201020515949 U CN 201020515949U CN 201804851 U CN201804851 U CN 201804851U
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- Prior art keywords
- radiator
- sheet metal
- elastic sheet
- fixed
- metal sheet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel integrated circuit (IC) fixed clip for a car amplifier, which consists of an elastic metal sheet; the middle part of the elastic metal sheet is a cambered surface, and the two ends of the elastic metal sheet are respectively bent towards the outer side of the cambered surface so as to form two supporting legs, then the supporting legs are bent outwards so as to form fixed sheets, and the fixed sheets are arranged in the same plane; the outer ends of the fixed sheets are respectively provided with a folded edge, and the fixed sheets are respectively provided with a fixed leg downwards; and the fixed legs are formed through the extension of the elastic metal sheet, the tail end of the fixed leg is provided with a hook-like gap outwards, and the fixed sheets are respectively provided with a self-tapping screw hole. The IC fixed clip of the utility model has the advantages that: because an IC chip is pressed against the inner wall of a square radiator by a pi-shaped elastic metal sheet, and the elastic metal sheet is tightly pulled by a self-tapping screw from the outer side of the radiator, the technical problem that in the prior art, the assembling space on the back of a fin of the radiator is insufficient is solved, so that the square radiator can widely be applied, and the cost of the radiator is controlled.
Description
Technical field
The utility model relates to electricity field, relates in particular to the power amplifier that is used for hoot device, particularly a kind of new automobile power discharging IC fixation spring tab.
Background technology
In the prior art, the heat loss power of the integrated circuit (IC) chip of using in the power amplifier of hoot device (IC) is bigger, in order to guarantee IC components and parts operate as normal, needs to adopt radiator that it is dispelled the heat.For the heat that makes IC can fully be delivered on the radiator, must adopt the IC fixation spring tab that IC is fixed, make IC energy held against heat sink, guarantee as much as possible being delivered on the radiator of heat on the IC.For heat-sinking capability that improves radiator and the cost that reduces whole power amplifier, available technology adopting is extruded aluminium section bar manufacturing " mouth " shape radiator, and as No. 200820152242.2 patents of China, " mouth " shape radiator is a frame structure.Because there is the face of 4 sealings in " mouth " shape radiator space, has saved parts such as the upper and lower cover plate of power amplifier, (IC one side) do not install the needed assembly space of IC fixation spring tab at the heat radiator fin back side, can't continue to use the IC fixation spring tab of traditional design.
Summary of the invention
The purpose of this utility model is to provide a kind of new automobile power discharging IC fixation spring tab, and described this new automobile power discharging IC fixation spring tab will solve the technical problem that IC fixation spring tab insufficient space is installed at " mouth " shape heat radiator fin back side in the prior art.
This new automobile power discharging IC fixation spring tab of the present utility model is made of an elastic sheet metal, wherein, described elastic sheet metal is the п shape, the middle part of elastic sheet metal is cambered surface, the two ends of elastic sheet metal constitute feet respectively behind the outer lateral buckling of cambered surface, described feet constitutes stator after the bending laterally again, described stator all is positioned at same plane, the outer end of any one stator is provided with flanging, any one stator is all to being arranged with a fixing feet, any one described fixing feet is extended formation by elastic sheet metal, the end of fixing feet is provided with hook-shaped breach laterally, is provided with the tapping screw hole in any one stator.
Further, the middle part of elastic sheet metal is provided with a rectangle guide tabs to upside.
Operation principle of the present utility model is: two fixing feet in the elastic sheet metal are passed two square holes on the circuit board, and elastic sheet metal surrounds the IC chip on the circuit board from three sides, and are fixing by wave-soldering and circuit board welding then.Be processed with two fixing holes separately after the extrusion molding of " mouth " shape radiator, the cross section of extruding of " mouth " shape radiator is provided with circuit board fixed card slot structure and auxiliary IC fixation spring tab fixed structure.Elastic sheet metal with circuit board along the radiator draw-in groove insert radiator and and radiator fix.Shoot the tapping screw hole on the elastic sheet metal then from radiator outside use tapping screw along the fixing hole on the radiator, the tension elastic sheet metal, final elastic sheet metal clings to the IC chip on the madial wall of radiator.The rectangle guide tabs of elastic sheet metal middle part upside, in the circuit board insertion process, cooperated the assembling guide effect with shape of the mouth as one speaks radiator corresponding construction, shoot in the process at tapping screw, cooperate with the auxiliary IC fixation spring tab fixed structure of radiator propulsive thrust is provided, the help tapping screw is shot, and realizes fixing.Along with the increase that tapping screw is shot the degree of depth, elastic sheet metal moves forward and the IC chip is pressed on the radiator.Guarantee the thrust of shell fragment by the shell fragment deflection of design in advance, the heat transferred of guaranteeing the IC chip is to radiator.
Concrete, plane, stator place is to the vertical thickness of the vertical range between the contact-making surface of elastic sheet metal and IC chip less than the IC chip, and after guaranteeing the assembling of elastic sheet metal and IC chip, the shell fragment cambered surface deforms, produce thrust, guarantee fitting tightly of IC chip and radiator.The flanging of stator outer end can avoid shell fragment shell fragment when packing (or taking-up) into along the radiator inwall face to scrape slotting spreader surface.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model utilizes π shape elastic sheet metal that the IC chip is pressed to radiator inwall, utilize tapping screw tension elastic sheet metal from the outside of radiator, solved in the prior art technical problem in heat radiator fin back side assembly space deficiency, make " mouth " shape radiator can extensive use, controlled the cost of radiator.
Description of drawings:
Fig. 1 is the schematic diagram of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 2 is another schematic diagram of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 3 is the schematic diagram of the radial structure of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 4 is the structural representation of the power amplifier plate among the embodiment of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 5 is the schematic diagram after elastic sheet metal and the assembling of power amplifier plate among the embodiment of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 6 is the local radial cross section structure schematic diagram after elastic sheet metal and the assembling of power amplifier plate among the embodiment of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 7 is the structural representation of the power discharging radiator among the embodiment of new automobile power discharging IC fixation spring tab of the present utility model.
Fig. 8 is the radial structure schematic diagram after new automobile power discharging IC fixation spring tab of the present utility model and other power amplifier parts such as IC, circuit board and radiator are joined.。
Fig. 9 is the structural representation after new automobile power discharging IC fixation spring tab of the present utility model and other power amplifier parts such as IC, circuit board and radiator are joined.
Embodiment:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, new automobile power discharging IC fixation spring tab of the present utility model, constitute by an elastic sheet metal 1, wherein, described elastic sheet metal 1 is the п shape, the middle part of elastic sheet metal 1 is cambered surface, the two ends of elastic sheet metal 1 constitute feet respectively behind the outer lateral buckling of cambered surface, described feet constitutes stator 2 after the bending laterally again, described stator 2 all is positioned at same plane, the outer end of any one stator 2 is provided with flanging 3, any one stator 2 is all to being arranged with a fixing feet 4, any one described fixing feet 4 is extended formation by elastic sheet metal 1, and the end of fixing feet 4 is provided with hook-shaped breach laterally, is provided with tapping screw hole 5 in any one stator 2.
Further, the middle part of elastic sheet metal 1 is provided with a rectangle guide tabs 6 to upside.
The course of work of present embodiment is: two fixing feet 4 in the elastic sheet metal 1 are passed two square holes 10 on the circuit board 7, and elastic sheet metal 1 surrounds the IC chip 8 on the circuit board 7 from three sides, and are fixing by wave-soldering and circuit board 7 welding then.Be processed with two fixing holes separately after 9 extrusion moldings of " mouth " shape radiator, the cross section of extruding of " mouth " shape radiator 9 is provided with circuit board fixed card slot structure and auxiliary IC fixation spring tab fixed structure.Elastic sheet metal 1 with circuit board 7 along draw-in groove insert radiator 9 and and radiator 9 fix.Shoot the tapping screw hole 5 on the elastic sheet metal 1 then from radiator 9 outsides use tapping screw 11 along the fixing hole on the radiator 9, tension elastic sheet metal 1, final elastic sheet metal 1 clings to IC chip 8 on the madial wall of radiator 9.The rectangle guide tabs 6 of elastic sheet metal 1 middle part upside can cooperate the assembling guide effect with shape of the mouth as one speaks radiator corresponding construction in the circuit board insertion process, shoot in the process at tapping screw 11, cooperate with the auxiliary IC fixation spring tab fixed structure of radiator that to provide propulsive thrust to realize fixing, help tapping screw 11 is shot.Along with the increase that tapping screw 11 is shot the degree of depth, elastic sheet metal 1 moves forward and IC chip 8 is pressed on the radiator 9.Guarantee the thrust of shell fragment by the shell fragment deflection of design in advance, the heat transferred of guaranteeing IC chip 8 is to radiator 9.
Concrete, plane, stator 2 place is to the vertical thickness of the vertical range between the contact-making surface of elastic sheet metal 1 and IC chip 8 less than IC chip 8, after guaranteeing that elastic sheet metal 1 and IC chip 8 assemble, the shell fragment cambered surface deforms, produce thrust, guarantee fitting tightly of IC chip 8 and radiator 9.The flanging 3 of stator 2 outer ends can be avoided shell fragment shell fragment scraping radiator 9 surfaces when packing (or taking-up) into along radiator 9 internal faces.
Elastic sheet metal 1 adopts the panel beating material.
Elastic sheet metal 1 is a cambered surface with the contact-making surface of IC chip 8, can vertically be out of shape.Shell fragment fixedly end face is stator 2 planes to the vertical range of elastic sheet metal 1 and the contact-making surface of IC chip 8 vertical thickness less than IC chip 8.
Among Fig. 3, be used to assemble the width of the width dimensions A of IC chip 8 parts in the middle of the elastic sheet metal 1 greater than IC chip 8; On the elastic sheet metal 1 IC chip 8 contact-making surfaces to stator 2 planes apart from the thickness of B, to guarantee the shell fragment contact-making surface and after IC contacted, shell fragment top cambered surface was out of shape backward, and produces fixedly IC element of required clamping force less than IC chip 8.
Claims (2)
1. new automobile power discharging IC fixation spring tab, constitute by an elastic sheet metal, it is characterized in that: described elastic sheet metal is the π shape, the middle part of elastic sheet metal is cambered surface, the two ends of elastic sheet metal constitute feet respectively behind the outer lateral buckling of cambered surface, described feet constitutes stator after the bending laterally again, described stator all is positioned at same plane, the outer end of any one stator is provided with flanging, any one stator is all to being arranged with a fixing feet, any one described fixing feet is extended formation by elastic sheet metal, the end of fixing feet is provided with hook-shaped breach laterally, is provided with the tapping screw hole in any one stator.
2. new automobile power discharging IC fixation spring tab as claimed in claim 1 is characterized in that: the middle part of elastic sheet metal is provided with a rectangle guide tabs to upside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205159492U CN201804851U (en) | 2010-09-02 | 2010-09-02 | Novel integrated circuit (IC) fixed clip for car amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205159492U CN201804851U (en) | 2010-09-02 | 2010-09-02 | Novel integrated circuit (IC) fixed clip for car amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804851U true CN201804851U (en) | 2011-04-20 |
Family
ID=43874354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205159492U Expired - Fee Related CN201804851U (en) | 2010-09-02 | 2010-09-02 | Novel integrated circuit (IC) fixed clip for car amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386152A (en) * | 2010-09-02 | 2012-03-21 | 延锋伟世通汽车电子有限公司 | Automobile power amplifier integrated circuit (IC) fixed elastic sheet |
| CN107515352A (en) * | 2017-09-06 | 2017-12-26 | 国网江苏省电力公司徐州供电公司 | Grounding switch ground detection device |
-
2010
- 2010-09-02 CN CN2010205159492U patent/CN201804851U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386152A (en) * | 2010-09-02 | 2012-03-21 | 延锋伟世通汽车电子有限公司 | Automobile power amplifier integrated circuit (IC) fixed elastic sheet |
| CN102386152B (en) * | 2010-09-02 | 2013-08-28 | 延锋伟世通汽车电子有限公司 | Automobile power amplifier integrated circuit (IC) fixed elastic sheet |
| CN107515352A (en) * | 2017-09-06 | 2017-12-26 | 国网江苏省电力公司徐州供电公司 | Grounding switch ground detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20120902 |