CN2760324Y

CN2760324Y - Improved fast-attaching screw cap structure

Info

Publication number: CN2760324Y
Application number: CN 200420118160
Authority: CN
Inventors: 陈光陶
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-23
Filing date: 2004-11-23
Publication date: 2006-02-22
Anticipated expiration: 2014-11-23

Abstract

The utility model discloses an improved screw cap fast screwing structure, and an annular conical flange section and a locating section which can contain an elastic sheet are arranged in the through hole of the screw cap body. A plurality of elastic flaps of the elastic sheet can abut on the top surface of the annular conical flange section, the end of each of the elastic flaps is the screw bolt clamping end, wherein a penetrating section is arranged between the elastic flaps and the flange of the elastic sheet, which can reduce the root area of the elastic flaps so as to enhance the elastic effect of the elastic flaps; the screw bolt clamping end of each of the elastic flaps is arranged in a curved arc form by which the elastic flaps can penetrate deep into the thread root of a screw bolt so as to achieve the advancement of disengagement resistance. Moreover, the peripheral position of the flange of the elastic sheet can also form claw sheets which aslant warps upwards slightly and the elastic sheet can penetrate into the screw cap body through the claw sheets so as to make combination state steady.

Description

Improved quick fit nut structure

Technical field

The utility model relates to a kind of quick fit nut structure, is meant that especially the elasticity lobe of its shell fragment can reach the better design of DE; And thread root can more be goed deep into and the difficult innovation kenel artificer who breaks away from this elasticity lobe fastening end.

Background technique

The combined mode of conventional bolt and nut as shown in Figure 6, because it is close toward bolt 51 cephalad direction that this nut 50 can be made flowing mode via spiral, and with the bolt of GS General Specification, nut to be screwed and also must rotate tens of circles and just can reach, so there is the scarce fraud that group speed is slow, influence working efficiency, especially for need be often the assembling occasion of pine, lock, one to lack fraud more obvious for this.

In view of this, then have the dealer develop a kind of quick fit nut think in response to, its known configurations please be joined Fig. 7, shown in Figure 8, it establishes a shell fragment 70 by these nut body 60 inner groups substantially, the elasticity lobe 72 that this shell fragment has flange 71 and is coniform arrangement, use and be the oblique screw thread 81 that fastens in bolt 80, use making this nut can reach quick group of effect of going into bolt 80; Only, this kind known configurations is found still to have following problem points in actual use experience and is had much room for improvement:

Because the elasticity lobe 72 of this shell fragment 70 and flange 71 are by impact briquetting, the root width of each elasticity lobe 72 is big and be circular arc, therefore the moment of inertia value is bigger, rigidity promotes relatively, crooked difficulty improves, so cause the relatively poor scarce fraud of its elasticity, the effect that is fixed between influence and the bolt 80.

The section of the elasticity lobe 72 of this known quick fit nut is a flat, with bolt 80 when combined, the outward edge (knowing clearly as shown in Figure 8) of the quite close screw thread 81 in the end of elasticity lobe 72, so that not good or elastic fatique the time, will cause with screw thread 81 to break away from and the problem of forfeiture clamping function when the elasticity of elasticity lobe 72.

Be with, at the existing defective of above-mentioned known quick fit nut structure, how to develop a kind of innovation structure that has more practicability, remain in fact relevant industry to be developed breakthrough again.

Summary of the invention

The technical problems to be solved in the utility model is: provide a kind of and overcome known quick fit nut and use and still exist be fixed effect and elasticity lobe of elasticity lobe poor flexibility, influence to be the improved fast fit nut structure that flat breaks away from the screw thread defective easily.

Technical solution of the present utility model is: a kind of improved quick fit nut structure, this nut body center tool one penetration hole, be provided with a ring awl lip part and a positioning part in this penetration hole, one ring-type shell fragment is wherein ccontaining, the flange group of this shell fragment periphery is due to the positioning part, shell fragment central authorities are monocline opens and a plurality of elasticity lobes of annular array then can be on the end face that is arranged at ring awl lip part to bullet, and the end of elasticity lobe then is the bolt fastening end; Wherein more be provided with the breakthrough portion between the elasticity lobe of this shell fragment and the flange.

Aforesaid improved quick fit nut structure, one side end face embedding group, one end cap of this nut body, the group of this end cap are gone into end and nut body and are provided with and possess a gap between this inwall of ring awl lip part and constitute can be by urgent kenel this positioning part that the flange group of shell fragment is fixed of folder.

Aforesaid improved quick fit nut structure, the bolt fastening end of described elasticity lobe can be set as the curved arc kenel.

Aforesaid improved quick fit nut structure, set breakthrough portion can be circular perforations between the elasticity lobe of this shell fragment and flange, and the camber line two ends that this outside, hole forms are connected mutually with flange.

Aforesaid improved quick fit nut structure, the flange outer periphery position of this shell fragment more can be provided with trickle and be the calvus that tiltedly sticks up kenel up.

The utility model has overcome the defective of prior art, has the following advantages:

1, can make nut and bolt reach assembled state fast, save unnecessary time waste, more promote working efficiency.

2, this shell fragment can reduce the binding area of elasticity lobe root and flange, and then can promote its elasticity by the making and settlement of breakthrough portion, promotes the effect of engaging bolt really.

3, be set as the structure feature of curved arc shape by the bolt fastening end of this elasticity lobe, make its thread root that can more go deep into bolt, and more fit and difficult the disengagement.

In addition, more form the special construction of calvus by the flange outer periphery of this shell fragment; When group is gone into the nut body, this calvus can penetrate in the nut body, make shell fragment can reach the more firm effect of assembled state.

Description of drawings

Fig. 1 is an exploded perspective view of the present utility model.

Fig. 2 is an assembled sectional view of the present utility model.

Fig. 3 can organize schematic representation into bolt fast for the utility model.

Fig. 4 reaches the sectional view of combination for the utility model and bolt.

Fig. 5 is that signal, its clearer screw thread fastening state that presents this elasticity lobe and bolt are amplified in the A position of Fig. 4.

Fig. 6 is the planar side view of traditional spiral shell inspection and the combined state of nut.

Fig. 7 reaches the sectional view of combination for known quick fit nut and bolt.

Fig. 8 is that signal, the clearer screw thread fastening state that presents this elasticity lobe and bolt are amplified in the B position of Fig. 7.

The drawing reference numeral explanation:

The utility model part:

Nut body---10 penetration holes------11

Ring awl lip part---12 positioning parts------13

Shell fragment------20 flanges------21

Elasticity lobe------22 bolt fastening end---23

Breakthrough portion------24 calvus------25

End cap------is gone into end------31 for 30 groups

Bolt------40 screw threads------41

Traditional, known part:

Nut------50 bolt---51

Nut body---60 shell fragment---70

Flange------71 elasticity lobe---72

Bolt------80 screw thread---81

Embodiment

Further to understand and understanding in order having, please conjunction with figs. to describe in detail as the back now the technical solution of the utility model, feature and effect:

At first, please cooperate and consult Fig. 1 to shown in Figure 4, specific embodiment for the improved quick fit nut structure of the utility model, it mainly comprises a nut body 10, this nut body center has a penetration hole 11, in this penetration hole and be preset with a ring awl lip part 12 and a positioning part 13, use and to be placed in wherein for a ring-type shell fragment 20, so that the flange 21 of these shell fragment 20 peripheries can be organized due to positioning part 13, shell fragment 20 central authorities are monocline opens and 22 of several elasticity lobes of annular array can be resisted against on the end face of aforementioned ring awl lip part 12 to bullet, and the end of each elasticity lobe 22 then is bolt fastening end 23; Wherein, a but side end face embedding group one end cap 30 of this nut body 10, be provided with and possess a gap between this inwall of ring awl lip part 12 and form this positioning part 13 so that the ring convex group of this end cap 30 is gone into end 31 and nut body 10, can be by flange 21 integrated positionings of the urgent kenel of folder with shell fragment 22; Its feature mainly is: more be provided with breakthrough portion 24 between the elasticity lobe 22 of this shell fragment 20 and the flange 21, this breakthrough portion can be the circular perforations kenel, and the camber line two ends that the outside in this hole forms are connected mutually with flange 21; By the making and settlement of this breakthrough portion 24, mainly can reduce the area that elasticity lobe 22 roots and flange 21 link, advance to promote its elasticity; Again wherein, the bolt fastening end 23 of these elasticity lobes 22 can be set as curved arc shape kenel, makes its screw thread 41 roots (please join shown in Figure 5) that can more go deep into bolt 40, and more fits and difficult the disengagement.

Wherein, the flange 21 periphery positions of this shell fragment 20 more can be formed with trickle and be the calvus 25 that tiltedly sticks up kenel up; This calvus is just like acicular structure, when 20 groups on shell fragment was gone into nut body 10, calvus 25 can thrust (the nut body is a plastic cement material) in the nut body 10, so can make the assembled state of shell fragment more firm, unless force to separate by external force, otherwise this shell fragment 20 can fixedly positioning.

By above-mentioned structure, composition, the quick fit nut structure that the utility model is taken off itself and bolt combination situation are as follows:

As shown in Figure 3, Figure 4, quick fit nut of the present utility model cover is apace organized into bolt 40, it is inserted in the process, the pushing tow that each elasticity lobe 22 of shell fragment 20 is subjected to screw thread 41 will outwards flick, this makes bolt 40 be able to axially pass through apace nut body 10, but if bolt 40 will be detached in the other direction the time, then because the bolt fastening end 23 of elasticity lobe 22 is opposing mutually oblique fastening in screw thread 41 (detailed as shown in Figure 5), constitute the state that bolt 40 is stuck the location, can't axially detach fast, and desire must adopt the reverse acting spiral mode to reach when separating.

The effect fact that the utility model can be promoted is as follows:

1. can make nut and bolt reach assembled state fast, save unnecessary time waste, promote working efficiency.

2. this shell fragment 20 is by the making and settlement of breakthrough portion 24, can reduce the binding area of elasticity lobe 22 roots and flange 21, its moment of inertia value is reduced and easier impact briquetting, and promote its DE relatively, have more elasticity when making the screw thread 41 of elasticity lobe 22 and bolt be nested group, be difficult for deforming and embrittlement, prolong its working life, and promote the effect of its engaging bolt really.

3. be set as the structure feature of curved arc shape kenel by the bolt fastening end 23 of this elasticity lobe 22, make its screw thread 41 roots (please join shown in Figure 5) that can more go deep into bolt 40, make elasticity lobe 22 and screw thread 41 can more fit and be not easy and throw off.

The producible new effect of the utility model is: the structure that more forms calvus 25 by flange 21 peripheries of this shell fragment 20, when group is gone into nut body 10, this calvus 25 can thrust in the nut body 10, make the assembled state of shell fragment more firm, can prevent from really that shell fragment 20 from producing in when assembling to upspring or rock.

Though the utility model discloses with specific embodiment; but it is not in order to limit the utility model; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present utility model and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.

Claims

1, a kind of quick fit nut structure of reelecting, this nut body center tool one penetration hole, be provided with a ring awl lip part and a positioning part in this penetration hole, one ring-type shell fragment is wherein ccontaining, the flange group of this shell fragment periphery is due to the positioning part, shell fragment central authorities are monocline opens and a plurality of elasticity lobes of annular array then can be on the end face that is arranged at ring awl lip part to bullet, and the end of elasticity lobe then is the bolt fastening end; It is characterized in that:

More be provided with the breakthrough portion between the elasticity lobe of this shell fragment and the flange.

2, improved quick fit nut structure as claimed in claim 1, it is characterized in that: a side end face embedding group one end cap of this nut body, the group of this end cap are gone into end and nut body and are provided with and possess a gap between this inwall of ring awl lip part and constitute can be by urgent kenel this positioning part that the flange group of shell fragment is fixed of folder.

3, improved quick fit nut structure as claimed in claim 1, it is characterized in that: the bolt fastening end of described elasticity lobe can be set as the curved arc kenel.

4, improved quick fit nut structure as claimed in claim 1, it is characterized in that: set breakthrough portion can be circular perforations between the elasticity lobe of this shell fragment and flange, and the camber line two ends that this outside, hole forms are connected mutually with flange.

5, improved quick fit nut structure as claimed in claim 1 is characterized in that: the flange outer periphery position of this shell fragment more can be provided with trickle and be the calvus that tiltedly sticks up kenel up.