CN201827206U

CN201827206U - Multifunctional fastener

Info

Publication number: CN201827206U
Application number: CN2010201760856U
Authority: CN
Inventors: 张菁香
Original assignee: ESSENCE METHOD REFING Co Ltd
Current assignee: ESSENCE METHOD REFING Co Ltd
Priority date: 2010-04-06
Filing date: 2010-04-06
Publication date: 2011-05-11
Anticipated expiration: 2020-04-06

Abstract

The utility model provides a multifunctional fastener, which is mainly provided with more than two flat zones on a cutting section and chip flutes formed between arbitrary two flat zones at intervals; the chip flutes are formed by connecting at least two cutting surfaces, and a first cutting edge and a second cutting edge are respectively formed at the part where each cutting surface is connected with the flat zones; therefore, during the locking process, the flat zones are favorable for generating stable equilibrium effect on an object when the first cutting edge and the second cutting edge perform cutting, generated chips can be quickly discharged out through the chip flutes, cracked materials generated during locking and under stress can be avoided, so as to achieve the effects of reducing the locking resistance force and the torque force and effectively improving the locking efficiency, etc.

Description

Multifunctional fastener

Technical field

The utility model is about a kind of screw, is meant especially a kind ofly to have preferable stability when sealed, and can reduces the multifunctional fastener of sealed torsion and resistance.

Background technique

Consult Fig. 1, known screw 1 includes the spiral shell head 12 that a body of rod 11, is located at these body of rod 11 1 ends, and plural number is located on the thread 13 on this body of rod 11; Wherein, the end of this body of rod 11 forms the groove 141 that a free end 14, is opened in this free end 14 surfaces and extends to this thread 13, and formation one cutting blade 142 between this groove 141 and free end 14, thread 13 surfaces; When sealed, free end 14 with this screw 1 contacts on the object 2 earlier, and rotate this screw 1 to be locked on this object 2, its this free end 14 promptly can be guided this screw 1 gradual penetrating in this object 2, and cooperate this this object 2 of cutting blade 142 drillings, the smear metal that produces through 142 drillings of this cutting blade utilizes the setting of this groove 141 simultaneously, so that can reach the sealed of this screw 1 and location through these groove 141 discharges.

But on actual the use, but this known screw 1 only on this free end 14 of mat formed this groove 141 cut and chip removal with this cutting blade 142, and the angle of this groove 141 is little, its formed chip space is also narrower relatively, so in working angles, take place easily smear metal to hoard in this groove 141 and can't discharge smoothly, this moment is if continue firmly to revolve lock on this screw 1, not only can cause this smear metal to be squeezed, this object 2 also can produce swing when the application of force simultaneously, very easily make this object 2 can't bear excessive torsion and produce and split the material phenomenon, so not only can't effectively reach fast locking, and then influence the sealed location of this screw 1, still remain to be improved.

In view of this, so there is the dealer to be improved at the disappearance of known this screw 1, consult Fig. 2, another known screw 3 structures include a body of rod 31, a spiral shell head 32 and the plural threaded section 33 that is located on this body of rod 31; Wherein, these body of rod 31 ends are formed with a free end 34, and this threaded

section

33 and 34 of free ends are formed with an anodontia district 35 in addition, and are formed with plural fin 351 in this anodontia district 35; When sealed, contact on the object 4 as guiding by this free end 34, and utilize and to revolve lock pressure this screw 3 is penetrated gradually in this object 4, and cooperate the setting of this fin 351, can produce the reaming effect at this object 4, use these screw 3 sealed entering of quick guiding, and then reach sealed and the location.

Yet the actual back of using is found, though the auxiliary reaming effect of this screw 3 when utilizing fin 351 to reach to revolve lock, but revolving lock when entering in view of this threaded section 33, the fiber of this object 4 is not cut off fully, not cut fiber is involved be wound on this body of rod 31, cause the sealed speed of this screw 3 to be affected, must impose bigger sealed torsion on the contrary this screw 3 is locked in this object 4, so this screw 3 still has problems such as slack-off, sealed torsion of sealed speed and resistance increase and must be improved.

The model utility content

Therefore, the purpose of this utility model is to provide a kind of multifunctional fastener, can prevent from that sealed process from producing loosening and causing to split the material phenomenon, and can promote sealed speed, reduces sealed torsion and effectively promote effect such as sealed efficient.

The utility model adopts following technological scheme to reach above-mentioned purpose:

A kind of multifunctional fastener, it includes a body of rod, and the spiral shell head and the brill that are divided into these body of rod two ends mill portion, and a whorl is located at the threaded section on this body of rod, this brill mills and has the segment of cutting that a no thread ring is established in the portion, and at least one by the outward extending guiding thread of this segment of cutting; Wherein this segment of cutting has plural at least flat region, and is arranged at intervals at the chip flute between these wantonly two flat regions; Wherein, this chip flute is joined by at least two cutting face and forms, and this each cutting face and connecting part, flat region are formed with first, second cutting edge respectively.

This first, second cutting edge is the different length design.

This first cutting edge is formed with a wedge angle with guiding tooth thread connecting place.

This second cutting edge offers a groove with guiding tooth thread connecting place.

The connecting part, at least two cutting face of this chip flute is corresponding with this body of rod center.

The connecting part, at least two cutting face of this chip flute is not corresponding with this body of rod center.

This segment of cutting can be inclined to set with this body of rod center.

This body of rod and threaded section can be polygonal kenel.

This first, second cutting edge is outward extended with an auxiliary cutting edge.

These chip flutes are replaceable to be that a flat region and connecting part, wantonly two flat region are formed with first, second cutting edge, and this first, second cutting edge is the different length design.

Adopt such scheme, because setting by these flat regions 551, can make this first, second cutting edge 554,555 when stressed lasting brill lock gos deep into, the effect that can produce stable equilibriums with this object 6, can not swing arbitrarily, the smear metal that in sealed process, produces simultaneously, but these chip flutes 552 of mat discharge fast, preventing that this screw 5 from producing in sealed process waves and causes and split the material phenomenon, effectively the sealed speed of this screw 5 of stable equilibrium, reduce sealed torsion and effectively promote sealed efficient.

Description of drawings

Fig. 1 is the schematic representation of known screw;

Fig. 2 is the schematic representation of another known screw;

Fig. 3 is the schematic representation of first preferred embodiment of the present utility model;

Fig. 4 is that generalized section is looked closely in second preferred embodiment of the present utility model;

Fig. 5, Fig. 6 are the local member generalized sections of this first preferred embodiment;

Fig. 7 is that this first preferred embodiment user mode is looked closely generalized section;

Fig. 8, Fig. 9 are another local member generalized sections of the utility model first preferred embodiment;

Figure 10 is the cross-sectional end view of the utility model the 3rd preferred embodiment;

Figure 11, Figure 12 are the local member generalized sections of the utility model the 4th preferred embodiment;

Figure 13, Figure 14 are the cross-sectional end view of the utility model the 5th preferred embodiment;

Figure 15 is the schematic representation of the utility model the 6th preferred embodiment;

Figure 16 is the schematic representation of the utility model the 7th preferred embodiment;

Figure 17 is the schematic representation of the utility model the 8th preferred embodiment; And

Figure 18 is the cross-sectional end view of the utility model the 9th preferred embodiment.

The primary component symbol description

5 screws, 51 bodies of rod, 52 spiral shell heads

53 brills mill portion's 54 threaded sections, 55 segment of cutting

552 chip flutes, 553 cutting face, 551 flat regions

554 first cutting edges, 555 second cutting edges, 556 wedge angles

557 grooves, 558 auxiliary cutting edges, 56 guiding threads

The α center

Embodiment

Following conjunction with figs. and preferred embodiment elaborate to the utility model, and in the following description, similarly assembly is to represent with identical numbering.

Consult Fig. 3, bore first preferred embodiment of the screw 5 of the different objects of lock for the utility model is a kind of, include a body of rod 51, the spiral shell head 52 that is divided into these body of rod 51 two ends mills portion 53 with brill, and a whorl is located at the threaded section 54 on this body of rod 51; Wherein, this brill mills and has the segment of cutting 55 that a no thread ring is established in the portion 53, and at least one by these segment of cutting 55 outward extending guiding threads 56, and aforementioned this directly impact briquetting of segment of cutting 55, so that this segment of cutting 55 can be had a higher-strength.

Still continuous above-mentioned, this segment of cutting 55 has plural at least flat region 551, and the chip flute 552 that is arranged at intervals at these wantonly two flat regions 551, and this segment of cutting 55 is flat regions 551 to be provided with two in the present embodiment, and the chip flute 552 that is arranged at intervals at 551 of this two flat regions, certainly also can form as shown in Figure 4 and have a plurality of flat regions 551, and the chip flute 552 that is arranged at intervals at wantonly two flat regions 551, for convenience of description, be example all below the present embodiment with two flat regions 551; Moreover, aforementioned this chip flute 552 is to be joined by at least two cutting face 553 to forming, and this each cutting face 553 is formed with first respectively with 551 connecting parts, flat region, second cutting edge 554,555, and 553 connecting parts, at least two cutting face of this chip flute 552 are corresponding design with this body of rod 51 center α (shown in imaginary line), and this first cutting edge 554 is formed with a wedge angle 556 (as shown in Figure 5) with guiding thread 56 connecting places, this second cutting edge 555 forms with guiding thread 56 connecting places and offers a groove 557 (as shown in Figure 6) in addition, make the position of this wedge angle 556 and groove 557 can be setting on the not same level, so that this first, second cutting edge 554,555 length is different isometric designs, also can be as Fig. 8, shown in Figure 9, this is first years old, second cutting edge 554,555 length is isometric design, make the position of this wedge angle 556 and groove 557 can be setting on the same level, and in the present embodiment with Fig. 5, Fig. 6 is illustrated for example.

Consult Fig. 5 to Fig. 7, when sealed, at first utilize this guiding thread 56 to contact on the sealed object 6, and on this screw 5, bestow a strength and drive this guiding thread 56 and screw in, so that being gradual brill lock under these guiding thread 56 guidings, this screw 5 enters in this object 6, in boring the lock process, utilized and be divided into these flat regions 551 this wedge angle 556 and groove 557 on out-of-level, make the smear metal that is produced through this guiding thread 56 and wedge angle 556 cuttings, discharge to chip flute 552 via this groove 557, simultaneously and guide this first, second cutting edge 554,555 gradually drilling be screwed into this object 6, this moment is by the setting of these flat regions 551, can make this first, second cutting edge 554,555 when stressed lasting brill lock gos deep into, the effect that can produce stable equilibriums with this object 6, can not swing arbitrarily, the smear metal that in sealed process, produces simultaneously, but these chip flutes 552 of mat discharge fast, preventing that this screw 5 from producing in sealed process waves and causes and split the material phenomenon, effectively the sealed speed of this screw 5 of stable equilibrium, reduce sealed torsion and effectively promote sealed efficient.

Consult Figure 10, the 3rd preferred embodiment of the utility model multifunctional fastener 5, present embodiment can be outward extended with the design of an auxiliary cutting edge 558 especially at this first, second cutting edge 554,555, being outward extended with this auxiliary cutting edge 558 with first cutting edge 554 in present embodiment figure is that example is illustrated, when this cutting blade 558 is able to the flat-cut mode and is locked on this object 6, still have effects such as sealed stable equilibrium and anti-crack arrest material.

Consult Figure 11, Figure 12, the 4th preferred embodiment of the present utility model, it is described identical with first embodiment, specifically, present embodiment is that this segment of cutting 55 and this body of rod 51 center α are the aspect of inclined design, (not shown) when just boring lock, still effect such as sealed stable equilibrium of tool and anti-crack arrest material.

Consult Figure 13, Figure 14, the 5th preferred embodiment of the present utility model, its described important document is all identical with first embodiment, its special difference is that 553 connecting parts, at least two cutting face of this chip flute 552 are not corresponding with these body of rod 51 center α (not shown), make this first, second cutting edge 554,555 and the body of rod 31 center α can be clockwise or anticlockwise setting, constitute the segment of cutting 55 that different kenels are provided with by this cutting face 553, make this screw 5 reach effects such as sealed location of stable equilibrium and anti-crack arrest material.

Consult Figure 15, the 6th preferred embodiment of the present utility model, it still has the body of rod 51, spiral shell head 52, bores and mill main members such as portion 53, threaded section 54 and segment of cutting 55, and it is all described identical with first to the 5th embodiment to reach effects such as firm sealed location and anti-crack arrest material; Specifically, present embodiment is that this body of rod 51 can be polygonal aspect (among the figure be that example be illustrated with the quadrilateral), by this body of rod 51 that different shape constituted, in sealed process, this body of rod 51 has big ccontaining and can supply smear metal ccontaining, use and reduce sealed resistance, reason Integrated Chip and produce disconnected material not can be promoted firm sealed effect no matter therefore be used on the material objects such as elastic component or timber still tool.

Consult Figure 16, the 7th preferred embodiment of the present utility model, it comprises that still the important document structure identical with preceding first to the 5th embodiment, important document connection relationship, institute reach the purpose effect; Present embodiment can be particularly in this threaded section 54 to have the polygonal kenel and constitutes, make this threaded section 54 be polygonal design, also can be as shown in figure 17, this body of rod 51 and threaded section 54 all are the design of polygon form, no matter which kind of form makes this screw 5 when revolving lock, remove and utilize this threaded section 54 auxiliary these segment of cutting 55 stable cuttings, can both reach quick, laborsaving and revolve outside lock enters, more can avoid producing the disappearance of splitting material because of smear metal storehouse extruding.

Consult Figure 18, the 9th preferred embodiment of the present utility model, its described important document is all identical with first embodiment, its special difference be these chip flutes 552 replaceable be a

flat region

551, and 551 connecting parts, wantonly two flat regions are formed with first, second cutting edge 554,555, and this first, second cutting edge 554,555 is the different length design, this first, second cutting edge 554,555 that has plural different length by this segment of cutting 55 designs, and still can make this screw 5 reach effects such as sealed location of stable equilibrium and anti-crack arrest material.

Conclude aforementioned, the utility model multifunctional fastener has plural at least flat region by this segment of cutting, and the design that is arranged at intervals at the chip flute between the flat region, so effectively this screw of stable equilibrium produces swing because of stressed in sealed object process, can discharge rapidly via these chip flutes in order to smear metal, reach anti-crack arrest material and lead to a phenomenon, to promote sealed speed, reduce sealed torsion and effectively to promote effect such as sealed efficient, so can reach the purpose of this utility model really.

The above, only be explanation preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the i.e. simple equivalence of doing according to the utility model claims and description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. multifunctional fastener, it includes a body of rod, and the spiral shell head and the brill that are divided into these body of rod two ends mill portion, and a whorl is located at the threaded section on this body of rod, this brill mills and has the segment of cutting that a no thread ring is established in the portion, and at least one by the outward extending guiding thread of this segment of cutting; It is characterized in that:

This segment of cutting has plural at least flat region, and is arranged at intervals at the chip flute between these wantonly two flat regions; Wherein, this chip flute is joined by at least two cutting face and forms, and this each cutting face and connecting part, flat region are formed with first, second cutting edge respectively.

2. multifunctional fastener as claimed in claim 1 is characterized in that: this first, second cutting edge is the different length design.

3. multifunctional fastener as claimed in claim 1 or 2 is characterized in that: this first cutting edge is formed with a wedge angle with guiding tooth thread connecting place.

4. multifunctional fastener as claimed in claim 1 or 2 is characterized in that: this second cutting edge offers a groove with guiding tooth thread connecting place.

5. multifunctional fastener as claimed in claim 1 or 2 is characterized in that: the connecting part, at least two cutting face of this chip flute is corresponding with this body of rod center.

6. multifunctional fastener as claimed in claim 1 or 2 is characterized in that: the connecting part, at least two cutting face of this chip flute is not corresponding with this body of rod center.

7. multifunctional fastener as claimed in claim 1 or 2 is characterized in that: this segment of cutting can be inclined to set with this body of rod center.

8. multifunctional fastener as claimed in claim 1 or 2 is characterized in that: this body of rod and threaded section can be polygonal kenel.

9. multifunctional fastener as claimed in claim 1 is characterized in that: this first, second cutting edge is outward extended with an auxiliary cutting edge.

10. multifunctional fastener as claimed in claim 1 is characterized in that: these chip flutes are replaceable to be that a flat region and connecting part, wantonly two flat region are formed with first, second cutting edge, and this first, second cutting edge is different length.