CN2323188Y - Improved structure for screw connection member - Google Patents

Abstract

The utility model relates to an improved structure for a screw connection member, which provides a screw connection member design for conveniently assembling a fastening shim on the closure end surface of a screw bolt, a screw cap, etc. A convex ring is pre-maintained at the proper position below the closure end surface of the general polygon screw cap or the screw bolt head, so the elastic fastening shim can be easily buckled between the convex ring and the closure end surface. Through the shim enters the closure end in a forced mode and keeps the design of freely sliding, when the screw cap or the screw bolt rotates and locks a mechanical device, the shim can be rotated by following the mechanical device to reduce the abrasion of a component in closuring. Through the closure and fastening design of the shim, the efficiency of closuring and fastening can be achieved when the component is locked and connected.

Description

Screw togather the improvement structure of member

The improvement structure that screws togather member of the present utility model is specially adapted to use on the various clamp for machining, the use that waits locking usefulness screw piece for the nut or the bolt (bar) of sealed packing locking usefulness.

Bolt, it is the member that is spirally connected or uses as packing for general common that the screwing togather of nut etc. used, and with regard to the sealed anticreep of nut designs, with of the design of common clamp for machining with the nut locking, mainly be directly at the bottom of nut pad dress pad, intermediate during as locking, and then form the buffering of a packing, yet adopt similar sealed design, owing to all be identical rigidity independent component design between the pad of pad dress and nut, when sealed when near the locking combination the position time, then pad will be along with the increase of frictional force between it and nut, form the member of integral type, rotate the locking operation that workpiece is formed one together, then therefore form the state of wearing and tearing between meeting and workpiece surface, more and because form the state that one is rotated synchronously between pad and nut, so completely lose the effectiveness of its middle buffering packing, so therefore this sealed on institute's packing effect that produces bad and may undermine the bad situation of use such as working surface, the design people is former also once at this packing commonly used and wearing and tearing situation, develop multiple new nut, structures such as bolt, as annex one, case before the patent of bulletin shown in two No. 282070 and No. 296758 etc., be to extend one section fit portion therebetween by cap body locking-up end, cooperate pre-groove and retaining ring, enable to be nested with in advance flexible clamping plate, make its frame fasten the location admittedly by retaining ring, making pad be become flexible formula is placed between locking-up end and the retaining ring, pad is locked and is butted on the workpiece during for sealed assembling, and the nut on its top, when key can be done the locking packing, can turn according to resilient pad location, enable to reach the use effect of locking and positioning, and with similar design, its whole assembling structure is established, difference according to nut or bolt shank, the fit end of pad assembling, need preset an annular groove that falls respectively, and after being matched with the pad suit, after being fastened with a clasp again, form the support of lamellar body bottom, can there be the doubt that drops out or fall, and according to the design of aforementioned two cases, because between whole pad and nut or bolt head, all be one loosening and can be state in relative rotation, so on the process of whole lock dress, the surface that it can be avoided hurt and be locked installation part or working platform, and reach the purpose of safety locking assembling, and after last product released, just industrial quarters and user institute favorable comment widely, just because its manufacture cost has the puzzlement of higher and difficult reduction always, so failing to reach use amount rises always, generalize the purpose of using so that reach, and it is not that only be on the workpiece of higher parts or high value can adapted with the use of this product, but any locking accessory all can be simple and easy and practical, so how the operating characteristic with above-listed product is kept, and make its use important document that can reach cheap and universalness, just become the target that the research of the design people's specialty is made always.

For the packing that can improve above-mentioned previous exploitation really screws togather member, after commercialization the too high shortcoming that is difficult for universalness of the manufacture cost that produces, the design people is that collection is engaged in professional knowledge and the technical ability that screws togather the member research and development, makes for many years, after upright research of group repeatedly and practice discussion test, but develop a kind of improved member that screws togather of rapid processing manufacturing eventually, fix by fastening by force easily, the assembling of whole pad is simplified and saving assembling process and member, to overcome the existing shortcoming that is difficult for of making at high price and assemble.

The main purpose of the utility model provides a kind of member designs that screws togather with easy resilient pad assembling, can do simple and easy sealed packing and simple and easy manufacturing, produce the effect that reduces production costs fast for nut or bolt, rod member, guarantee that reality is easy to use, sealed firm purpose.

For this reason, the utility model provides a kind of improvement structure that screws togather member, it is included in the fit portion that nut or bolt head lower edge be connected with respectively and is assembled in members such as pad in the fit portion, wherein, the protrusion positioning ring of a default bottom surface tool tapering tilted guide surface design on the anchor ring of this appropriate intervals position, fit portion bottom, make central perforation be set as the poroid pad of class, can be simply by snapping in the locking-up end root edge that is fixed in nut body or bolt head outside the fit portion bottom.

Therefore, the utility model does not need any auxiliary catch fitting assembling fully, just can be made into a complete close type easily and screw togather member, whole manufacture cost is reduced, and more can receive practical effect safe in utilization, easy with regard to it, as to innovate design, really more previous same design tool saving of labor and economic, practical effect.

Below in conjunction with accompanying drawing, further specify structural design features of the present utility model, in the accompanying drawing:

Fig. 1 is the utility model nut embodiment's a making exploded view;

Fig. 2 is the utility model nut assembling schematic appearance;

Fig. 3 is that the set shim pack assembling structure of the utility model uses the embodiment's exploded view on bolt shank; And

Fig. 4 is the sealed assembling cross section view of the utility model.

The designed improvement structure that screws togather member of the utility model, the improvement design that it is main, be designed to example with general locknut, it as illustrated in fig. 1 and 2, be lower edge by nut body 10 extend stay one section can be for the fit portion 11 of compression element assembling, this compression element can fill usefulness by elastic component 14 or traditional pad 12, or the combination of above-mentioned two members, and on the anchor ring of fit portion 11, play the suitable length in downward interval by the sealed end face of nut body 10 bottoms, if stay the positioning ring 13 of the tilted guide surface of a protrusion tool tapering, gap length between this positioning ring 13 and end face slightly is longer than packing pad 12 thickness that cover is packed into, general phase difference is about 0.2mm, the positioning ring 13 ring footpaths of whole protrusion then are slightly larger than the internal orifice dimension of pad 12, and its footpath poor can be about 0.4mm, the tilted guide surface that cooperates whole positioning ring 13 is outwards upwards to cut oblique design by doing to locking-up end down, and be pressed into suit when operation by force for making things convenient for pad 12 to make moment to locking-up end by the bottom, make its easily cover organize in fit portion 11, then being designed to cut oblique inclined-plane by two differences on tilted guide surface forms, make external end edge place form single order ring edge 131 naturally by cutting the inclined-plane, put for the location that can make things convenient for pad 12, when making pressurization be forced into assembling by force, can prevent that deflection from taking place, and more can not compel bad positioning ring 13 peripheries, and by the design that is designed to be slightly less than compression element pad 12 set perforation 121 apertures by the fit portion 11 neck shape ring that forms footpath relatively, general footpath difference is below 0.2mm, during promptly with aperture 16mm, then the diameter of neck is about 15.8mm, make cover organize compression element lamellar body in fit portion 11, can do at this neck and revolve the trip rotation freely, and what be worth mentioning promptly is that the central perforation 121 of whole pad 12 is to be the poroid design of a class, be the bigger convex character shape hole shape assembling of bottom part aperture diameter, and peritreme end in the lamellar body top of insert group smaller aperture due, be preset to a little oblique angle 122 of leading, for making pad 12 in that be forced into by force when surmounting positioning ring 13 can more laborsaving simple and easy person, and encircle the design that the footpath is slightly larger than the aperture relatively according to positioning ring 13, though make the packing pad 12 of whole suit can change slip, but because of whole Offset still is within the ring footpath, so can filling of safety put therebetween.

And the positioning ring 13 that tiltedly protrudes for the easy suit compression element with the utility model awl designs, when on being used in general bolt 20 or long bolt, using, shown in Fig. 3 and 4, promptly establish the positioning ring 13 that stays identical awl tiltedly to protrude in suitable position at interval in the below, bolt head 21 connecting screw rod ends of locking end, the supplier just is provided with the pad 12 of step shape central perforation 121, can directly overlap and pack into, and for asking whole packing effect better, wear at pad 12 and can wear between the group in advance into an elastic component 14, as volute spring sheet or spring etc., make the sealed effect of bolt head 21 bottom tool elasticity packings, the sealed cushioning effect of whole support bolt 20, also will be because of the sealed use of elastic component 14 elasticity packings of loosening pad 12 of suit and packing damping spring sheet, can further guarantee the lifting of whole locking effectiveness, will not produce bolt 20 and wear pad 12 packings when dress lock, sheet, ring body has and is killed, thus cause scratch workpiece thing surface or shaken a little after the bad use shortcoming that produces the loosening situation of lock dress is just arranged easily; And be similar to locking-up end and 12 designs of setting up elastic component 14 of suit pad with bolt 20, only be the lock dress purpose that increasing slightly of fit portion 11 length just can reach identical in fact, so design in the nut formula, be during structure shown in Figure 1 is installed, only need to establish to moving down protrusion taper positioning ring 13 is little, the i.e. prolongation of neck at interval, just can adorn a relative packing elastic component 14 in the top of pad 12 pad, the packing effectiveness of whole sealed operation is further promoted, precisely because should decide on the needs and the manufacture cost of actual use, the engaging location of right whole assembling, be easy snap-on design equally by positioning ring 13, no matter therefore whether setting up of elastic component 14 all is contained in the DESIGNED FEATURE of the present utility model certainly.

In sum, the utility model screws togather the improvement structure of member, it is with the protrusion positioning ring design of taper tilted guide surface, make packing can buckle into the location easily with pad or elastic component, do not need any auxiliary catch fitting assembling fully, just can be made into a complete close type easily and screw togather member, whole manufacture cost is reduced, and more can receive practical effect safe in utilization, easy with regard to it, the design of innovation, true more previous same design tool saving of labor and economy, practical effect has met the requirement of utility application more, therefore files an application in accordance with the law.

Claims (6)

1. improvement structure that screws togather member, it is included in the fit portion that nut or bolt head lower edge be connected with respectively and is assembled in members such as pad in the fit portion, it is characterized in that: the protrusion positioning ring of a default bottom surface tool tapering tilted guide surface design on the anchor ring of this appropriate intervals position, fit portion bottom, make central perforation be set as the poroid pad of class, can be simply by snapping in the locking-up end root edge that is fixed in nut body or bolt head outside the fit portion bottom.

2. the improvement structure that screws togather member as claimed in claim 1 is characterized in that, the tilted guide surface that protrudes positioning ring can be set as to be cut the inclined-plane by two differences and link to each other, and forms single order ring edge naturally at the external end edge place of ring body, does easy location during for pad placement installation.

3. the improvement structure that screws togather member as claimed in claim 1 is characterized in that, but suit one packing elastic component between nut or bolt head bottom locking-up end and pad, and the packing to form when sealed cushions.

4. the improvement structure that screws togather member as claimed in claim 3 is characterized in that packing can be adopted spring or cone-shaped spring sheet with elastic component.

5. the improvement structure that screws togather member as claimed in claim 1 is characterized in that, the ring of positioning ring directly is slightly larger than pad perforation footpath, to guarantee the safety of fit assembling.

6. the improvement structure that screws togather member as claimed in claim 1 is characterized in that, the diameter of fit neck is slightly less than pad perforation footpath, and after guaranteeing fit, but assembling is rotated in the lamellar body free skating.

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