CN201851441U

CN201851441U - Connecting mechanism

Info

Publication number: CN201851441U
Application number: CN2010201342925U
Authority: CN
Inventors: 赵尔劲; 赵竟鸣
Original assignee: CHENGDU FUHE POWER AUTOMATION COMPLETE EQUIPMENT Co Ltd
Current assignee: CHENGDU FUHE POWER AUTOMATION COMPLETE EQUIPMENT Co Ltd
Priority date: 2010-03-18
Filing date: 2010-03-18
Publication date: 2011-06-01
Anticipated expiration: 2020-03-18

Abstract

The utility model discloses a connecting mechanism which comprises a stand column, a base plate and a locating hole arranged on the base plate, and is characterized in that one end of the stand column is provided with a circular bead structure and a riveting mechanism; the circular bead structure exceeds a cylindrical surface of the stand column; the riveting mechanism is arranged at the bonding part of the circular bead structure and the stand column; and the stand column passes through the locating hole and forms fixed connection with the base plate by the riveting mechanism. Compared with the prior art, the connecting mechanism has the characteristics of being rapid in assembly, firm and durable, and attractive and elegant.

Description

A kind of bindiny mechanism

Technical field

The utility model relates to a kind of bindiny mechanism, particularly relates to a kind of bindiny mechanism that is used in the cabinet.

Background technique

At present, electronic instrument, electronic equipment etc. all need each parts (as circuit printing plate, electronic parts and components etc.) are packed in the cabinet, also need the various piece of cabinet is connected, in order to realize above-mentioned connection purpose, need be provided for the bindiny mechanism of join dependency part in the relevant position of cabinet (normally in cabinet), the main body of common bindiny mechanism is a column, by column is fixed on the cabinet, then other parts that need connect by screw or fixed by nut on column.Equally, the metal cabinet for now generally adopting metal substrate to make also all adopts internal thread (being screwed) or outside thread (using fixed by nut) column fixing circuit board or electronic parts and components mostly in it; And the Placement of column and substrate commonly used adopt spot welding or connects with screw in the substrate perforate.Its deficiency is the technological requirement height, and efficient is low, and adopts welding procedure easily to cause base plate deformation, influences the smooth of substrate outside, and the location is inaccurate, can not well guarantee installation quality; The employing screw connects, and the screw that the substrate exterior exposure is more influenced the exterior appearance of substrate, and column comes off easily.

Especially the sheetmetal of the metal cabinet of electronic instrument, electronic equipment, its thickness is generally all at 0.8-1.00mm, processing components and parts bindiny mechanism has certain degree of difficulty really on thin plate, not only will consider the facility of mechanical strength, processing, also will consider a series of problems such as casing exterior appearance.

The model utility content

At above-mentioned deficiency, technical problem to be solved in the utility model is, provide a kind of mechanical strength height, stationarity good, bindiny mechanism simply and easily is installed.

Especially a kind of bindiny mechanism that is used on the metal cabinet.Particularly be fit to bindiny mechanism with sheetmetal.

In order to address the above problem, technical thought that the utility model adopts is: column and substrate are riveted, column and substrate are connected as a single entity.

Its concrete technological scheme is:

The utility model comprises: the positioning hole on column, substrate and the substrate is characterized in that: at described column one end shoulder structure and riveting mechanism are arranged; Described shoulder structure surpasses the column cylinder, and described riveting mechanism is located at the connecting part of described shoulder structure and column; Described column passes positioning hole, forms a fixed connection by riveting mechanism and substrate.

Further, described substrate is a sheetmetal.

Further, described riveting mechanism is lines or the burr that is higher or lower than the column cylinder, or is lower than the indenture of column cylinder.

Further, riveting mechanism is a groove.Described groove is continuous annular groove.

Further, the width L of described groove, shoulder thickness of structure d and substrate thickness D satisfy, d+L≤D.

Further, described shoulder structure is continuous, and described shoulder structure and column end face form base plate, and described base plate cross section is a regular hexagon.

Further, described shoulder structure embeds in the substrate.

Further, described substrate is in the positioning hole edge extends the protruding falcon embedding of formation riveting mechanism.

Further, described column and described positioning hole adopt transition fit.

The utlity model has following beneficial effect: by at the inner riveted joint of substrate column, column and substrate are connected as a single entity, metal substrate embeds in the groove of column, and the realization column is fixedlyed connected with substrate; Because the base plate of column adopts Hexagon or the limit shape is arranged, make be connected between column and the substrate very firm, adopt simultaneously interference fit or the transition fit effect that all effectively reinforces the connection between metal upright post and the substrate, technological operation is easy, stationarity good, beautiful shape, assembling is quick, efficient is high, is suitable for producing in batches.

Especially realize fixing to printed board of substrate internal circuit or electronic parts and components, when having avoided welding screw, the basal plate heated distortion has avoided mounting screw or nut to place the substrate outside again, influences exterior appearance.

Description of drawings

Fig. 1 is the structural representation of column;

Fig. 2 is the first example structure figure of column;

Fig. 3 is the second example structure figure of column;

Fig. 4 is that the A of Fig. 3 is to view;

Fig. 5 is the 3rd example structure figure of column;

Fig. 6 is the 4th example structure figure of column;

Fig. 7 is the sectional view of column and substrate coupled condition;

Fig. 8 is a kind of embodiment's of the utility model an installment state schematic representation;

Fig. 9 is the riveted joint scheme of installation of column and substrate.

Embodiment

For the ease of to further understanding of the present utility model, embodiment of the present utility model is illustrated below in conjunction with accompanying drawing:

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, in the connecting part of column 3 and shoulder structure 61 riveting mechanism 71 is arranged.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 of the column that Fig. 2-9 provides, described riveting mechanism 71 is grooves, and described groove is lower than the cylinder 31 of column 3, and certain described riveted structure 71 can also be lines or burr or the indenture that is higher or lower than column 3 cylinders 31.In the embodiment that Fig. 2 provides, described groove is the recess hole 72 that is distributed on the column, and certain described groove also centers on the arc groove of column.Among the embodiment that Fig. 3-9 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.

Shoulder structure 61 can be continuous, itself and column end face form base plate 6, and the shape of base plate 6---the shape that is base plate 6 cross sections (along column face radially) can adopt multiple shape, and be for example circular, polygonals such as quadrilateral, Hexagon, Octagon, and star, quincunx etc.Among Fig. 3, the embodiment shown in Figure 4, base plate 6 is a regular hexagon, and the embodiment that Fig. 5 provides is a pentalpha, and wherein, in Fig. 3, Fig. 4, Fig. 5, base plate 6 is external regular hexagon and external positive pentalphas of column 3.The shape that base plate 6 adopts except that circular can strengthen fixed effect, especially can prevent the column rotation well.Preferred employing base plate 6 is a regular hexagon, and is the circumscribed regular hexagon of column 3, and easy to process, mechanical property is good, adopts this scheme, can directly obtain through machining with six prisms.

Embodiment shown in Figure 6, 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.

In concrete the application, the utility model is particularly suitable for fixedly connected on the substrate 1 that sheetmetal makes, and usually, the width L of the thickness d of described shoulder structure 61, annular groove 7 and the thickness D of substrate 1 satisfy and concern: d+L≤D.The degree of depth of groove is generally less than sheet metal thickness.To be that the sheetmetal of 1.00mm is an example to substrate 1 thickness, the hexagonal base plate 6 that processes on column is thickness 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. 7,8 provides, the utility model comprises the positioning hole 4 on column 3, the substrate 1, and column 3 comprises base plate 6, groove 7.Column 3 passes positioning hole 4 on the substrate 1 of metallic material and has realized fixedlying connected of column and substrate, effect lower shoe 6 at pressure embeds in the substrate 1 fully, and substrate 1 is because externally applied forces makes substrate 1 in 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 inside, adopts screw 5 or screw rod that parts such as circuit board 2, electronic parts and components are fixed on the column 3 during use.Certainly also can adopt the other end that outside thread is arranged, adopt nut to fix at column 3; 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 metal substrate, especially the connection on the substrate 1 of sheetmetal making.For the embodiment of other situations, equally externally under the pressure of time, the substrate 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 substrate 1.

As shown in Figure 8, the fixing electronic instrument of needs, electronic equipment etc. are left positioning hole 4 in substrate 1 corresponding position, usually adopt the diameter of positioning hole 4 to be slightly less than column 3 diameters, or positioning hole 4 adopts the transition fit modes to cold pressing with hydraulic press with column 3 to be riveted on the substrate 1, and screw 5 passes circuit board 2 and is connected also fixing circuit board 2 with the column 3 that passes substrate 1.

The schematic representation that its concrete installation method provides with reference to Fig. 9, column 3 passes the positioning hole 4 on the substrate 1 (sheetmetal), 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 substrate 1, base plate 6 embeds substrate 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 utility model also can have other various embodiments, under the situation that does not deviate from the utility model spirit and essence thereof, even the simple adjustment of each constituent element; as long as realize, all belong to protection domain of the present utility model according to the described technological thought of the utility model.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

1. a bindiny mechanism comprises the positioning hole on column, substrate and the substrate, it is characterized in that: at described column one end shoulder structure and riveting mechanism are arranged; Described shoulder structure surpasses the column cylinder, and described riveting mechanism is located at the connecting part of described shoulder structure and column; Described column passes positioning hole, forms a fixed connection by riveting mechanism and substrate.

2. bindiny mechanism as claimed in claim 1 is characterized in that: described substrate is a sheetmetal.

3. bindiny mechanism as claimed in claim 2 is characterized in that: described riveting mechanism is lines or the burr that is higher or lower than the column cylinder, or is lower than the indenture of column cylinder.

4. bindiny mechanism as claimed in claim 2 is characterized in that: riveting mechanism is a groove.

5. bindiny mechanism as claimed in claim 4 is characterized in that: described groove is continuous annular groove.

6. bindiny mechanism as claimed in claim 5 is characterized in that: the width L of described groove, shoulder thickness of structure d and substrate thickness D satisfy, d+L≤D.

7. bindiny mechanism as claimed in claim 1 is characterized in that: described shoulder structure is continuous, and described shoulder structure and column end face form base plate, and described base plate cross section is a regular hexagon.

8. bindiny mechanism as claimed in claim 1 is characterized in that: described shoulder structure embeds in the substrate.

9. bindiny mechanism as claimed in claim 7 is characterized in that: described substrate extends at the positioning hole edge and forms in the protruding falcon embedding riveting mechanism.

10. bindiny mechanism as claimed in claim 1 is characterized in that: described column and described positioning hole adopt transition fit.