CN101787995B - Connecting mechanism used for metal sheet and installation method therefor - Google Patents
Connecting mechanism used for metal sheet and installation method therefor Download PDFInfo
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- CN101787995B CN101787995B CN 201010126881 CN201010126881A CN101787995B CN 101787995 B CN101787995 B CN 101787995B CN 201010126881 CN201010126881 CN 201010126881 CN 201010126881 A CN201010126881 A CN 201010126881A CN 101787995 B CN101787995 B CN 101787995B
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- positioning hole
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Abstract
The invention discloses a connecting mechanism used for a metal sheet and an installation method therefor. The connecting mechanism comprises an upright, wherein one end of the upright is provided with screw thread or a neck or a tenon, and the other end thereof is provided with a ledge structure that is higher than the surface of the upright; and the combination part of the ledge structure and the upright is provided with a groove pushing against the surface of the upright. The installation method comprises: a locating hole is arranged on the metal sheet; a frock is padded at the position of one side of the metal sheet corresponding to the locating hole; one end of the connecting mechanism without the ledge structure penetrates through the locating hole from the other side of the metal sheet; and the pressure is exerted at the end surface of one end of the connecting mechanism with the ledge structure, so as to extrude the metal sheet into the groove along the edge of the locating hole. Compared with the prior art, the connecting mechanism has the beneficial characteristics of reasonable design, fast assembling, good firmness and durability, attractive and elegant appearance and the like, thereby having very high using and promotion values.
Description
Technical field
The present invention relates to a kind of bindiny mechanism, particularly relate to a kind of for the bindiny mechanism on the sheetmetal, and the installation method of described bindiny mechanism.
Background technique
In the device assembles process, usually need corresponding equipment or components and parts be installed at sheetmetal, the various piece that maybe will use sheetmetal to make makes up assembling as required, and this installation or combination assembling often need bindiny mechanism.Electronic instrument for example, electronic equipments etc. all need each parts (as circuit printing plate, electronic parts and components etc.) pack in the sheetmetal cabinet, also need the various piece of sheetmetal cabinet is connected, in order to realize above-mentioned connection purpose, for the metal cabinet that now generally adopts sheetmetal to make, its bindiny mechanism adopts dual mode usually, a kind of is to adopt internal thread (being screwed) or outside thread (using fixed by nut) column permanent circuit printed board or electronic parts and components at column one end, and the other end is smooth, by adopting the spot welding mode to be welded on the sheetmetal at a smooth end.This method welding process requirement height, efficient is low, and adopt welding procedure easily to cause the sheetmetal distortion, influence the smooth of sheetmetal outside, and the location is inaccurate, can not well guarantee installation quality, especially for space narrow and small cabinet inside or some privileged sites, it is more inconvenient to weld, even can't weld; And the intensity of welding often can not get effective assurance.Another kind is to adopt at the column two ends all to adopt worm structure, connects with screw in the sheetmetal perforate, and its deficiency is often at the more screw of sheetmetal exterior exposure, influenced the exterior appearance of sheetmetal, and column to come off easily.
Especially the sheetmetal of the metal cabinet of electronic instrument, electronic equipment, its thickness is generally all at 0.8-1.00mm, bindiny mechanism has certain degree of difficulty really at thin plate processing components and parts, not only will consider the facility of mechanical strength, processing, also will consider a series of problems such as casing exterior appearance.
Summary of the invention
At above-mentioned deficiency, technical problem to be solved by this invention is, provide a kind of mechanical strength height, stationarity good, bindiny mechanism simply and easily is installed.
Especially a kind of for the bindiny mechanism on the metal cabinet.Particularly be fit to the bindiny mechanism with sheetmetal.
A kind of installation method of realizing described bindiny mechanism is provided simultaneously.
In order to address the above problem, technical thought that the present invention adopts is: column and sheetmetal are riveted, column and sheetmetal are connected as a single entity.
Its concrete technological scheme is:
A kind of bindiny mechanism for sheetmetal, comprise column, described column one end has screw thread or draw-in groove or card falcon, and it is characterized in that: the other end at described column has the shoulder structure that is higher than the column cylinder, in the connecting part of described shoulder structure and column the groove that is lower than the column cylinder is arranged.
Further, described groove is continuous annular groove.
Further, the width L of described groove, shoulder thickness of structure d and sheet metal thickness D satisfy, d+L≤D.
Further, described shoulder structure is continuous, and described shoulder structure and column end face form base plate.
Further, described base plate cross section is regular hexagon.
A kind of installation method for the bindiny mechanism on the sheetmetal is characterized in that:
The position that needs described bindiny mechanism is installed at sheetmetal processes positioning hole;
Frock on a side of the described sheetmetal position pad corresponding with positioning hole;
An end that the column of bindiny mechanism is not had a shoulder structure passes positioning hole from the opposite side of sheetmetal, there is an end end face of shoulder structure to exert pressure in described bindiny mechanism, under the effect of frock and pressure, column passes positioning hole, and the sheetmetal at positioning hole edge is clamp-oned in the described groove.
Further, under the effect of frock and pressure, described shoulder structure is embedded in the sheetmetal.
Further, under the effect of frock and pressure, described sheetmetal extends at the positioning hole edge and forms in the protruding falcon embedding riveting mechanism.
Further, described column and described positioning hole adopt transition fit.
Further, described pressure has hydraulic press to provide.
The present invention has following beneficial effect: by at the inner riveted joint of sheetmetal column, column and sheetmetal are connected as a single entity, the metallized metal thin plate embeds in the groove of column, and the realization column is fixedlyed connected with sheetmetal; Because the base plate of column adopts Hexagon or the limit shape is arranged, make be connected between column and the sheetmetal very firm, adopt simultaneously interference fit or the transition fit effect that all effectively reinforces the connection between metal upright post and the sheetmetal, technological operation is easy, stationarity good, beautiful shape, assembling is quick, efficient is high, is suitable for producing in batches.
Especially realize fixing to the printed board of sheetmetal internal circuit or electronic parts and components, when having avoided welding screw, the sheetmetal temperature distortion has avoided mounting screw or nut to place the sheetmetal outside again, influences exterior appearance.
Description of drawings
Fig. 1 is the first example structure figure of bindiny mechanism;
Fig. 2 is the second example structure figure of bindiny mechanism;
Fig. 3 is the 3rd example structure figure of bindiny mechanism;
Fig. 4 is the 4th example structure figure of bindiny mechanism;
Fig. 5 is the sectional view of bindiny mechanism and sheetmetal coupled condition;
Fig. 6 is a kind of embodiment's installment state schematic representation;
Fig. 7 is bindiny mechanism's scheme of installation.
Embodiment
For the ease of to further understanding of the present invention, below in conjunction with accompanying drawing the specific embodiment of the present invention is illustrated:
As shown in Figure 1, end at column 3 has shoulder structure 61, shoulder structure 61 constitutes base plate 6 with the column end face, the other end at column is useful on fixing screw thread or (not drawing among the figure) such as draw-in groove or card falcons, described shoulder structure 61 is higher than the cylinder 31 of column 3, fluted with the connecting part of shoulder structure 61 at column 3, described groove is lower than the cylinder 31 of column 3.Column generally adopts metallic material, can certainly adopt the nonmetallic material with certain intensity, and column can be cylindrical body, oval cylinder, prism, preferably adopts cylindrical body, processing, easy to use, and also intensity is higher.
In the embodiment that Fig. 1 provides, described groove is the recess hole 72 that is distributed on the column.Certain described groove also centers on the arc groove of column.Among the embodiment that Fig. 3-8 provides, described groove is a continuous annular groove 7, adopts the structure of annular groove 7 easy to process, and is connected and fixed effective.
Embodiment shown in Figure 4, shoulder structure 61 adopts discontinuous construction, has adopted symmetrically arranged 4 independent shoulder structures 61 among the figure, and the quantity of shoulder structure 61 can be other quantity certainly.Adopt this kind structure, also can play fixed effect preferably.
The present invention is used for fixedly connected on the sheetmetal 1, and usually, the width L of the thickness d of described shoulder structure 61, annular groove 7 and the thickness D of sheetmetal 1 satisfy and concern: d+L≤D.The degree of depth of groove is generally less than sheet metal thickness.Be that the sheetmetal of 1.00mm is example with sheetmetal 1 thickness, hexagonal base plate 6 thickness that process at column are 0.5mm, and the circular groove 7 of leaving dark 0.5～0.8mm, a wide 0.5mm at adjacent base plate 6 places gets final product.
Among the embodiment that Fig. 5,6 provides, the present invention includes the positioning hole 4 on column 3, the sheetmetal 1, column 3 comprises base plate 6, groove 7.Column 3 passes positioning hole 4 on the sheetmetal 1 and has realized fixedlying connected of column and sheetmetal, effect lower shoe 6 at pressure embeds in the sheetmetal 1 fully, and sheetmetal 1 is because externally applied forces makes sheetmetal 1 at positioning hole 4 edge generation crimpings, extension deformation, forming convex annular falcon 11 embeds in the groove 7 also column 3 chuckings, simultaneously for the other end fixed component at column, at the column the other end internal thread 10 is arranged, described internal thread gos deep into column 3 inside, adopts screw 5 or screw rod with circuit board 2 during use, parts such as electronic parts and components are fixed on the column 3.Certainly also can adopt the other end at column 3 that outside thread is arranged, adopt nut to fix; Perhaps draw-in groove adopts jump ring to fix; Directly chucking is fixing perhaps to block falcon, and this mode is particularly suitable for and the metallized metal thin plate, especially the connection on the sheetmetal 1 of sheetmetal making.For the embodiment of other situations, equally externally under the pressure of time, the sheetmetal 1 that sheetmetal is made forms crimping, the protruding falcon embedding of extension formation recess hole 72 in positioning hole 4 edge generation deformation; Or form in the riveting mechanism 71 of formation such as embedding lines such as crimping, extension, realize the fixing of column and sheetmetal 1.
As shown in Figure 6, the fixing electronic instrument of needs, electronic equipment etc. are left positioning hole 4 in sheetmetal 1 corresponding position, usually adopt the diameter of positioning hole 4 to be slightly less than column 3 diameters, or adopt the transition fit modes to cold pressing with hydraulic press with column 3 to be riveted on the sheetmetal 1, screw 5 passes circuit board 2 and is connected also fixing circuit board 2 with the column 3 that passes sheetmetal 1.
The schematic representation that its concrete installation method provides with reference to Fig. 7, column 3 passes the positioning hole 4 on the sheetmetal 1, under the cooperation of frock 8,12 pairs of base plates 6 of hydraulic press F that exerts pressure, column is in the process of passing positioning hole 4, positioning hole 4 edge generation crimpings are squeezed in the groove 7, simultaneously since base plate 6 and frock 8 exert pressure in the both sides of sheetmetal 1, base plate 6 embeds sheetmetal 1 bottom surface and flushes with outer surface, positioning hole 4 edges took place to extend and formed the degree of depth that protruding falcon 11 increasings embed groove 7 this moment, strengthened fixed effect.
Certainly, the present invention also can have other various embodiments, under the situation that does not deviate from spirit of the present invention and essence thereof, even the simple adjustment of each constituent element as long as realize according to technological thought described in the invention, all belongs to protection scope of the present invention.Those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. bindiny mechanism that is used for sheetmetal, comprise column, described column one end has screw thread or draw-in groove or card falcon, it is characterized in that: the other end at described column has the shoulder structure that is higher than the column cylinder, there is the groove that is lower than the column cylinder connecting part at described shoulder structure and column, and the degree of depth of described groove is less than sheet metal thickness;
Described shoulder structure is discontinuous construction; Or continuous, described shoulder structure and column end face form base plate, and described base plate cross section is polygon structure;
The diameter of positioning hole is slightly less than the diameter of described column on the sheetmetal;
Sheetmetal is in positioning hole edge generation crimping, extension deformation under external force, and formation convex annular falcon embeds in the groove and column and tightens.
2. bindiny mechanism as claimed in claim 1, it is characterized in that: described groove is continuous annular groove.
3. bindiny mechanism as claimed in claim 1 is characterized in that: the width L of described groove, shoulder thickness of structure d and sheet metal thickness D satisfy, d+L≤D.
4. bindiny mechanism as claimed in claim 3, it is characterized in that: described base plate cross section is regular hexagon.
5. be used for the installation method of the bindiny mechanism on the sheetmetal according to claim 1, it is characterized in that:
The position that needs described bindiny mechanism is installed at sheetmetal processes positioning hole;
Frock on a side of the described sheetmetal position pad corresponding with positioning hole;
An end that the column of bindiny mechanism is not had a shoulder structure passes positioning hole from the opposite side of sheetmetal, there is an end end face of shoulder structure to exert pressure in described bindiny mechanism, under the effect of frock and pressure, column passes positioning hole, described shoulder structure extrusion metal thin plate also embeds in the sheetmetal, and the sheetmetal at positioning hole edge is clamp-oned in the described groove;
Described shoulder structure is discontinuous construction; Or continuous, described shoulder structure and column end face form base plate, and described base plate cross section is polygon structure;
The diameter of positioning hole is slightly less than the diameter of described column on the sheetmetal;
Sheetmetal is in positioning hole edge generation crimping, extension deformation under the effect of frock and pressure, and formation convex annular falcon embeds in the groove and column and tightens.
6. installation method as claimed in claim 5, it is characterized in that: described pressure is provided by hydraulic press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010126881 CN101787995B (en) | 2010-03-18 | 2010-03-18 | Connecting mechanism used for metal sheet and installation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010126881 CN101787995B (en) | 2010-03-18 | 2010-03-18 | Connecting mechanism used for metal sheet and installation method therefor |
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| Publication Number | Publication Date |
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| CN101787995A CN101787995A (en) | 2010-07-28 |
| CN101787995B true CN101787995B (en) | 2013-07-10 |
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| CN 201010126881 Active CN101787995B (en) | 2010-03-18 | 2010-03-18 | Connecting mechanism used for metal sheet and installation method therefor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692070A (en) * | 2012-04-26 | 2012-09-26 | 广州华凌制冷设备有限公司 | Connection structure for air-conditioning mounting plate and manufacturing method therefor |
| CN102817495A (en) * | 2012-08-30 | 2012-12-12 | 伍小平 | Upright, location column, forming method and lock applying location column |
| CN109773060A (en) * | 2019-02-26 | 2019-05-21 | 合肥永淇智材科技有限公司 | A kind of locking device and its application method of sheet metal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1826040A (en) * | 2005-02-25 | 2006-08-30 | 三星Sdi株式会社 | Plasma display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2205885Y (en) * | 1993-09-25 | 1995-08-23 | 李明煟 | Support connecting fastener for combined steel formwork |
| DE19906168C1 (en) * | 1999-02-08 | 2000-09-21 | Atec Weiss Gmbh & Co Kg | Tapered screw connection for disk pack shaft couplings |
| CN2447557Y (en) * | 2000-10-30 | 2001-09-12 | 叶惠琼 | New double-screw bolt |
| JP4590242B2 (en) * | 2004-10-01 | 2010-12-01 | 日本フローセル製造株式会社 | Method for fastening parts in holes provided in a metal plate |
| KR20060114782A (en) * | 2005-05-03 | 2006-11-08 | 엘지전자 주식회사 | Structure for fixing pem nut of flatness |
| CN101193512A (en) * | 2006-11-23 | 2008-06-04 | 英业达股份有限公司 | Fixing structure |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1826040A (en) * | 2005-02-25 | 2006-08-30 | 三星Sdi株式会社 | Plasma display device |
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