CN102196681A

CN102196681A - Fixing device

Info

Publication number: CN102196681A
Application number: CN2010101167530A
Authority: CN
Inventors: 王清汗
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-03
Filing date: 2010-03-03
Publication date: 2011-09-21

Abstract

The invention discloses a fixing device which comprises a first fixing assembly and a second fixing assembly, wherein the first fixing assembly is provided with a base; at least one fixing seat is arranged on the base; at least one through hole is arranged on the base; the through hole is of a dovetail shape with wide upper part and narrow lower part; the second fixing assembly is provided with a body; the surface of the body is provided with a convex part which can penetrate through the through hole; and after the convex part penetrates through the through hole from the lower end to the upper end of the through hole, the convex part is applied with acting force to deform, and the deformed convex part is clamped in the dovetail-shaped through hole so that the first fixing assembly and the second fixing assembly are mutually combined and fixed.

Description

Fixture

Technical field

The present invention relates to a kind of fixture, relate in particular to a kind of fixture that two kinds of fixation kits are bonded to each other.

Background technology

Most product all is made of many spare parts, and product inside all sets firmly assembling by fixed structure miscellaneous with spare part again.

Part with computer periphery articles for use is assembled into example, the spare part assembling is fixed in the mode of the shell of its product module or machine plate is roughly outer sets up the spiral shell seat in wear screw on shell or machine plate, fixes in the mode that screw is spirally connected; Or finish the fixing of spare part in modes such as welding, riveted joint, interlocking, snappings.

Yet there are many problems in existing fixed form, roughly is listed below:

Be spirally connected or with rivet with screw, though its fixed form is firm, must the extra cost that increases screw or rivet, and in manufacture process, screw togather and the step trouble of riveted and time-consuming, influence overall throughput.

Mode with welding is fixed (as spot welding or laser welding), if the thickness of shell or machine plate as thin as a wafer, it is high not only to weld difficulty, the situation of the high hot piercing of easier generation in welding; Through welding shell or machine plate later, its weld also can Yin Gaore and go bad, thereby the situation of oxidation takes place easily; Moreover the poisonous fume that is produced during welding not only can injure human body, more can pollute integrated environment, does not meet environmental friendly principle.

Though the mode with interlocking, snapping engages fast and simple and easyly, steadiness is more undesirable, and the situation of loose or dislocation more easily takes place, and the mould development difficulty of interlocking, fastening structure is higher, and cost is comparatively expensive.

Summary of the invention

The object of the present invention is to provide a kind of with low costly, assembling processing is simple and easy, and structure firmly meets the fixture of environmental protection again, to solve the existing shortcoming of aforementioned many fixed forms.

Fixture of the present invention is at one first fixation kit one base to be set, and this base is provided with at least one holder that is used for being connected and fixed extras, and at least one perforation that is the dovetail shape wide at the top and narrow at the bottom is set on base.Body surface at one second fixation kit forms at least one jut that passes aforementioned perforation in addition, after this jut is passed perforation by the lower end of described perforation toward the upper end, this jut is applied active force and is out of shape, make jut clip after the distortion in the perforation of this dovetail, cause first fixation kit and second fixation kit to be bonded to each other fixing.

As preferred implementation, the present invention is for the technological means that forms described jut, can adopt the moat technology of cutting that the material moat on the described second fixation kit surface is cut a suitable length, and make the material of having been cut up give prominence to second fixation kit surface and form jut.

The present invention is provided with respectively by the two fixing fixation kits that are bonded to each other at needs can cooperate perforation and the jut that wears, after jut is passed perforation, jut is applied active force and is out of shape, allow jut clip after the distortion in perforation, so two fixation kits are fixed to one another.By aforesaid technological means, can not produce waste material in process of production, and operation is simple, meet the environmental requirement of carbon reduction.

Description of drawings

Fig. 1 is the stereo appearance figure of fixation kit of the present invention.

Fig. 2 is a planing of the present invention portion stereo appearance figure.

Fig. 3 is socketed on the sectional structure chart of planing portion for fixation kit of the present invention.

Fig. 4 is that the sectional structure chart in running-on is clogged at plane of the present invention angle.

Fig. 5 is another embodiment schematic diagram of the present invention.

Fig. 6 is the invention process state diagram.

Embodiment

Those skilled in the art below cooperate Figure of description that embodiments of the present invention are done more detailed description, so that can implement after studying this specification carefully according to this.

Fixture provided by the invention includes first fixation kit 1 shown in Figure 1, and second fixation kit 2 shown in Figure 2.Wherein, first fixation kit 1 can adopt formed in mould mode to make, and it has a base 12 basically, and a holder 11 that is connected on the base 12; Visual actual needs is provided with the perforation 120 that quantity does not wait on the base 12.In preferred embodiment of the present invention, be that perforation 120 is set respectively on the base 12 of holder 11 symmetrical both sides, and should perforation 120 be the relative broad in upper end, and the dovetail shape of lower end relative narrower, that is have inclined-plane 1201 (joining shown in Figure 3) in the relative both sides of 120 internal diameters of boring a hole.Aforementioned fixation seat 11 is the spare parts that are used for connecting extras, and it can be a cylinder as shown in Figure 1, and at its end face screw is set, for cooperating screw or bolt that set extras are assembled in holder.

Second fixation kit 2 shown in Figure 2 includes a body 20, and the jut 202 that protrudes in body 20 surfaces; Preferred embodiment of the present invention, be to adopt moat to cut technology, after placing body 20 on the special machine, with a special angle moat being carried out on body 20 surfaces by a plurality of moat cuttves of being located at this special machine cuts, body surface is promptly cut the moat that forms a depression by moat and is cut portion 201, and moat is cut portion 201 material originally and then promoted by the moat cutter and be projected on body 20 surfaces and form described jut 202; The width of this jut 202 is almost corresponding to the length of aforementioned perforation 120.Therefore, desire is with first fixation kit 1 and the combination of second fixation kit 2 fixedly the time, as long as shown in Figure 3, jut 202 on second fixation kit 2 is passed perforation 120 by past top, the below of the perforation 102 of first fixation kit 1, the jut 202 of giving prominence to body 20 surfaces is applied active force and make jut 202 distortion with special purpose machinery or instrument then, jut 202 after the distortion can fill up 120 (as shown in Figure 4) of boring a hole, and produce barrier effects by the jut after 1201 pairs of distortion in inclined-plane of dovetail perforation 202, reach first fixation kit is combined the effect of fixing with second fixation kit.

Fig. 5 is that perforation 120 internal diameters on second fixation kit 2 are made as vertical topography for showing another embodiment of the present invention, but not aforesaid dovetail shape; In this kind embodiment, the jut 202 of second fixation kit 2 is passing perforation 120 and the active force that applied after being out of shape, the part of its distortion is understood clip on the body 20 of perforation 120 peripheries, reaches equally first fixation kit is combined fixing effect with second fixation kit.

Fig. 6 shows that then the present invention can be with second fixation kit 2 directly with the replacement of product case (for example keyboard); That is directly on the surface of casing, form described jut with aforementioned manner, utilize this jut further to link fixing again with first fixation kit.

Fixture provided by the invention, its effect and advantage that can produce is as follows:

1. need not additionally to prepare part consumptive materials such as screw, rivet, welding rod, the present invention can directly go out jut in second fixation kit (or casing) Surface Machining, moulding moat that this jut is formed on is cut portion's degree of depth approximately less than 1/2nd of the second fixation kit thickness, so do not influence the structural strength of casing itself.

2. after the perforation of the base of first fixation kit being placed in the jut of second fixation kit, again jut being applied active force (as: knock, Hammer beat) and just can finish fixingly, process easily assembled and quick.

3. the jut that is subjected to the active force distortion can fill up the perforation inside of dovetail, forms one and closely is difficult for loosening clip state takes place, and can keep the smooth attractive in appearance of the second fixation kit surface again.

4. material saving and labour saving of the present invention, reduce unnecessary waste of material, processing with low cost is simple and easy, wait to close the environmental protection demand of carbon reduction, and not having in the prior art welding (as: spot welding or laser welding) can make casing impaired rotten, or being subject to the casing deficiency and unmanageable problem, the waste gas that does not also have welding processing in the prior art produces, and meets the environmental protection principle.

The above only is in order to explain preferred embodiment of the present invention; be not that attempt is done any pro forma restriction to the present invention according to this; therefore, all have in that identical creation spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.

Claims

1. a fixture is characterized in that, comprising:

One first fixation kit has a base, and this base is provided with at least one holder and at least one perforation;

One second fixation kit has a body, and the surface of this body is provided with at least one jut that passes the perforation of described first fixation kit;

After described jut passes the perforation of this first fixation kit, this jut is applied active force and is out of shape, make first fixation kit and second fixation kit be bonded to each other fixing in this perforation by the jut clip of distortion.

2. fixture as claimed in claim 1 is characterized in that, described perforation is a dovetail groove shape wide at the top and narrow at the bottom.

3. fixture as claimed in claim 1 or 2 is characterized in that, described holder is the cylinder that end face has internal thread.

4. fixture as claimed in claim 3 is characterized in that described perforation has two, and is located at the both sides of this holder symmetry.

5. fixture as claimed in claim 1 is characterized in that, is formed at the jut of described second fixation kit, is with the moat technology of cutting the surface of described body have been cut and protrude in body surface.