CN2761899Y

CN2761899Y - Screw

Info

Publication number: CN2761899Y
Application number: CN 200420083871
Authority: CN
Inventors: 陈翎芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-06
Filing date: 2004-09-06
Publication date: 2006-03-01
Anticipated expiration: 2014-09-06

Abstract

The utility model relates to a screw, which can be suitable for a screw with a head or without a head. The utility model is mainly characterized in that hole grooves are arranged at the circumference of a concave hole for all kinds of screws; the utility model is composed of an end plane and lateral planes arranged at both sides of the end planes respectively; meanwhile, extension lines of the lateral planes at both sides of the hole grooves are staggered at the center of the concave hole mutually; therefore, the opening is smaller than the width of the end plane. Moreover, the wall surface between the two hole grooves forms an arc shape, so that the screw can be suitable to be used by various locking tools. Meanwhile, the design of the lateral planes at both sides of each hole groove is not only favorable to the combination with a locking tool for improving the tightness between the locking tool and the hole grooves, but also can prevent the occurrence of swing of the locking tool. The force transference can be stabilized. The wastage of force application can be eliminated, and the locking can be more labor saving and convenient.

Description

Screw

Technical field

The utility model relates to the design of a kind of screw, particularly is suitable for multiple closure tool and uses about a kind of, and have the screw of preferable steadiness when sealed.

Background technique

Consult Fig. 1, known screw 1 includes a spiral shell head 11, and is located at the body of rod 12 on the spiral shell head 11, and a whorl is located at the members such as thread 13 on this body of rod 12; Wherein, offer a shrinkage pool 111 on this spiral shell head 11, and these shrinkage pool 111 peripheries are arranged at intervals with plural circular arc hole slot 112, this circular arc hole slot 112 is interconnected with shrinkage pool 111 simultaneously, (factor figure concerns and form a blossom type, so it is not shown), the periphery wall 113 of this circular arc hole slot 112 all is vertical design simultaneously, so when using, by increasing the area of contact of closure tool 2 with the wall 113 of hole slot 112, to avoid this closure tool 2 from the issuable damage disappearance of 112 escape phenomenons institutes of hole slot, the strength bestowed of this closure tool 2 can drive fully simultaneously, use the improper waste of eliminating sealed strength, with steadiness and the convenience that increases sealed process.

But, but still have in the use and improve part, details are as follows now:

1, tool using is limited:

Because this screw 1 is for one quincunx, so this screw 1 must cooperate the closure tool 2 of corresponding blossom type can revolve lock, cause being subject in this screw 1 use the disappearance of single closure tool 2, cause the inconvenience in the use.

2, use inconvenience:

Because this screw 1 is for one quincunx, and the periphery wall 113 of this hole slot 112 is to be vertical design, so this screw 1 sealed closure tool 2 that must cooperate corresponding geomery size, can be really the sealed strength of 2 transmissions of closure tool be acted on the screw 1 fully, screw in sealed effect and drive this screw 1, but because of the factor on making, make this hole slot 112 be subjected to tolerances, adding cooperation closure tool 2 sizes on the market has different, so in the sealed process easily because of can't driving fit, cause closure tool 2 in the sealed process phenomenon of vacillating now to the left, now to the right, cause the inconvenience in the use, remain in fact to be improved.

3, strength transmission is unreal:

Still continuous aforementioned, because this closure tool 2 is not good with the adaptation of hole slot 112, so in sealed process, easily cause closure tool 2 and hole slot 112 fluid-tight engagement fully, point contacts to cause these closure tool 2 peripheries and the periphery wall 113 of this hole slot 112 only to be partly, except that sealed process easy damaged hole slot 112, even bestow strength on the closure tool 2, also can't effectively transmit and drive screw 1 rotation, cause the waste of bestowing strength, and sealed process is required great effort more.

The model utility content

Therefore, the purpose of this utility model is that a kind of screw is being provided, and it is suitable for multiple closure tool and uses, and can make the firm combination of closure tool, drives uneven phenomenon to prevent that sealed process from producing to wave with strength.

For achieving the above object, solution of the present utility model is: a kind of screw, and it includes a spiral shell head, and one is located at the body of rod on the spiral shell head, and a whorl is located at the thread on this body of rod; Wherein offer a shrinkage pool on this spiral shell head, and the plural hole slot that is arranged at intervals at this shrinkage pool periphery, and aforementioned this each hole slot has an end face and the side of being located at end face two sides respectively forms, make and be formed with an opening on this hole slot, and this hole slot mat opening and shrinkage pool are and are interconnected, the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center simultaneously, makes this opening less than this end face width, and the wall between these wantonly two hole slots is arcuation in addition.

A kind of screw, it includes a body of rod, and a whorl is located at the thread on this body of rod; Wherein offer a shrinkage pool on this body of rod ora terminalis, and the plural hole slot that is arranged at intervals at this shrinkage pool periphery, and aforementioned this each hole slot has an end face and the side of being located at end face two sides respectively forms, make and be formed with an opening on this hole slot, and this hole slot mat opening and shrinkage pool are and are interconnected, the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center simultaneously, makes this opening less than this end face width, and the wall between these wantonly two hole slots is arcuation in addition.

At least one lateral location is to be plane of inclination formation place.

This endface position is to be plane of inclination formation place.

Wall position between these wantonly two hole slots is to be plane of inclination formation place.

This hole slot is 6 the bests.

After adopting such scheme, line stretcher by the side of these hole slot two sides is interlaced in the shrinkage pool center, make the opening of this hole slot less than this end face width, so that the two side faces of this each hole slot is the convergent state, so can guarantee various closure tools and hole slot combines closely, wave the phenomenon except that preventing that closure tool from producing when the sealed process, and can be really the strength of closure tool be acted on the screw, to avoid bestowing the strength waste, and make sealed process more laborsaving, certain, using increases the convenience of using.

Description of drawings

Below by preferred embodiment and accompanying drawing screw of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the user mode side-looking generalized section of this known screw;

Fig. 2 is the schematic perspective view of first preferred embodiment of the utility model screw;

Fig. 3 is the plan view of this preferred embodiment;

Fig. 4 is the user mode schematic representation of this preferred embodiment;

Fig. 5 is the user mode schematic representation of this preferred embodiment; Illustrate that this screw is used for the blossom type closure tool;

Fig. 6 is the user mode schematic representation of this preferred embodiment; Illustrate that this screw is used for the sealed instrument of yi word pattern;

Fig. 7 is the schematic perspective view of second preferred embodiment of the utility model screw;

Fig. 8 is the plan view of this preferred embodiment; And

Fig. 9 is the schematic perspective view of the 3rd preferred embodiment of the utility model screw.

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the following detailed description that cooperates with reference to graphic preferred embodiment, can clearly understand.

Before the utility model is described in detail, be noted that in the following description similarly assembly is to represent with identical numbering.

Consult Fig. 2, Fig. 3, first preferred embodiment of the utility model screw 3, it includes a spiral shell head 31, and is located at the body of rod 32 on the spiral shell head 31, and a whorl is located at the members such as thread 33 on this body of rod 32; Wherein, offer a shrinkage pool 311 on this spiral shell head 31, and the plural hole slot 312 that is arranged at intervals at these shrinkage pool 311 peripheries, and the hole slot 312 of present embodiment is with 6 expressions, this each hole slot 312 side 314 of having an end face 313 and being located at end face 313 2 sides respectively forms simultaneously, make and be formed with an opening 315 on this hole slot 312, and this hole slot 312 mat openings 315 are with shrinkage pool 311 and are interconnected, and the line stretcher a of the side 314 of these hole slot 312 2 sides is interlaced in shrinkage pool 311 center positions, make this opening 315 less than these end face 313 width, in addition the wall 316 of 312 of these wantonly two hole slots is arcuation.

Consult Fig. 4, in view of the present embodiment design, so when using, this screw 3 uses applicable to multiple closure tool 4, these closure tool 4 shapes are promptly as corresponding shrinkage pool 311 of Fig. 4 and hole slot 312 formed shapes, perhaps blossom type as shown in Figure 5 and yi word pattern as shown in Figure 6 etc. all can, and all represent explanations in following examples with the closure tool 4 of corresponding shape, the opening 315 of adding this hole slot 312 is less than these end face 313 width, so that the two side faces 314 of this each hole slot 312 is the convergent state, though make these closure tool 4 sizes whether with these hole slot 312 sizableness, or these closure tool 4 undersized factors such as (shown in imaginary lines), when this closure tool 4 is planted, making this closure tool 4 be able to be with this hole slot 312 combines closely, that is these closure tool 4 peripheries can be surface contact state with this two side faces 314, remove the adaptation that promotes closure tool 4 and hole slot 312, and can prevent really that closure tool 4 from waving outside the phenomenon in sealed process generation, when rotation drives screw 3 simultaneously, be able to strength is acted on the screw 3 fully, use the strength waste of avoiding unnecessary, and make sealed process more laborsaving, convenient.

Consult Fig. 7, Fig. 8, second preferred embodiment of the utility model screw 3, it still includes a spiral shell head 31, one is located at the body of rod 32 on the spiral shell head 31, and one whorl be located at members such as thread 33 on this body of rod 32, and the structure of this each member is all identical with first preferred embodiment, does not describe in detail for this reason; Particularly, present embodiment is that wall 316 positions of 312 of the end face 313, side 314 of this each hole slot 312 and wantonly two hole slots are to be plane of inclination 317 formation place, so that this shrinkage pool 311, hole slot 312 peripheries all are plane of inclination 317 and design; So when using, utilize this shrinkage pool 311, hole slot 312 peripheries all form the design of plane of inclination 317, no matter be the tolerance issues of screw moulding, or this closure tool 4 is (as yi word pattern, blossom type or corresponding shrinkage pool 311 and hole slot 312 formed shapes) factor such as undersized, all can utilize the design of this plane of inclination 317, make and stretch the closure tool of putting 4 and shrinkage pool 311, hole slot 312 is the line contact of an anchor ring, reach closure tool 4 and this hole slot 312, shrinkage pool 311 is combined closely, decapacitation is eliminated closure tool 4 really in waving outside the phenomenon that sealed process produces, produce unnecessary strength waste when avoiding sealed simultaneously, and make sealed process more laborsaving, really.

The utility model screw has the spiral shell head dummy attitude except that previous embodiment, also on the kenel applicable to no spiral shell head, it is in the previous embodiment maximum difference: consult Fig. 9, this shrinkage pool 311 and the plural hole slot 312 that is arranged at intervals at these shrinkage pool 311 peripheries are to be located on the body of rod 32 ora terminalis, as for this shrinkage pool 311 and hole slot 312 structure and mutual connection relationship, and using effect etc., all same last embodiment is described, does not describe in detail for this reason.

By above-mentioned explanation, and the utility model and known work one are compared, when can learn that the utility model is to have the enhancement part really in practicality, now in following explanation one by one:

1, be suitable for multiple closure tool:

Because the hole slot that this shrinkage pool periphery is provided with, and the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center, make this opening less than this end face width design,, improve the disappearance that known screw is subject to single closure tool so that this screw revolves lock applicable to multiple closure tool.

2, easy to use:

Because the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center, make the opening of this hole slot less than this end face width, so that the two side faces of this each hole slot is the convergent state, though therefore this closure tool size whether with this hole slot sizableness, or factor such as this closure tool is undersized, this closure tool and this hole slot are combined closely, decapacitation effectively promotes the adaptation of closure tool and hole slot, and can prevent really that closure tool from waving phenomenon in sealed process generation, so that this screw use is gone up convenient.

3, strength transmission is certain:

Still continuous aforementioned, because the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center, make the opening of this hole slot less than this end face width, so that the two side faces of this each hole slot is the convergent state, so that this closure tool and this hole slot can be combined closely, that is this closure tool periphery is to be face to contact with this two side faces, make the strength of this closure tool to act on really on the screw, reach the sealed purpose of screw-in to drive the screw rotation, use to eliminate and bestow the strength waste, and make sealed process more laborsaving, certain.

Conclude aforementioned, the utility model screw is that the line stretcher by the side of these hole slot two sides is interlaced in the shrinkage pool center, make the opening of this hole slot less than this end face width, so that the two side faces of this each hole slot is the convergent state, so can guarantee various closure tools and hole slot combines closely, wave the phenomenon except that preventing that closure tool from producing when the sealed process, and can be really the strength of closure tool be acted on the screw, to avoid bestowing the strength waste, and make sealed process more laborsaving, certain, using increases the convenience of using, and files an application in the whence in accordance with the law.

The above person of thought, only be explanation preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, promptly the simple equivalent of being done according to the utility model claim and model utility description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1, a kind of screw, it includes a spiral shell head, and one is located at the body of rod on the spiral shell head, and a whorl is located at the thread on this body of rod; It is characterized in that: offer a shrinkage pool on this spiral shell head, and the plural hole slot that is arranged at intervals at this shrinkage pool periphery, and aforementioned this each hole slot has an end face and the side of being located at end face two sides respectively forms, make and be formed with an opening on this hole slot, and this hole slot mat opening and shrinkage pool are and are interconnected, the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center simultaneously, makes this opening less than this end face width, and the wall between these wantonly two hole slots is arcuation in addition.

2, screw as claimed in claim 1 is characterized in that: at least one lateral location is to be plane of inclination formation place.

3, screw as claimed in claim 1 is characterized in that: this endface position is to be plane of inclination formation place.

4, screw as claimed in claim 1 is characterized in that: the wall position between these wantonly two hole slots is to be plane of inclination formation place.

5, screw as claimed in claim 1 is characterized in that: this hole slot is 6 the bests.

6, a kind of screw, it includes a body of rod, and a whorl is located at the thread on this body of rod; It is characterized in that: offer a shrinkage pool on this body of rod ora terminalis, and the plural hole slot that is arranged at intervals at this shrinkage pool periphery, and aforementioned this each hole slot has an end face and the side of being located at end face two sides respectively forms, make and be formed with an opening on this hole slot, and this hole slot mat opening and shrinkage pool are and are interconnected, the line stretcher of the side of these hole slot two sides is interlaced in the shrinkage pool center simultaneously, makes this opening less than this end face width, and the wall between these wantonly two hole slots is arcuation in addition.

7, screw as claimed in claim 6 is characterized in that: at least one lateral location is to be plane of inclination formation place.

8, screw as claimed in claim 6 is characterized in that: this endface position is to be plane of inclination formation place.

9, screw as claimed in claim 6 is characterized in that: the wall position between these wantonly two hole slots is to be plane of inclination formation place.

10, screw as claimed in claim 6 is characterized in that: this hole slot is 6 the bests.