TWI382129B - A screw with low drilling resistance - Google Patents
A screw with low drilling resistance Download PDFInfo
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- TWI382129B TWI382129B TW99114668A TW99114668A TWI382129B TW I382129 B TWI382129 B TW I382129B TW 99114668 A TW99114668 A TW 99114668A TW 99114668 A TW99114668 A TW 99114668A TW I382129 B TWI382129 B TW I382129B
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Description
本發明是有關於一種螺絲設計，特別是一種切削速度快且高強度之鎖合低阻力螺絲。The invention relates to a screw design, in particular to a low-resistance screw with a fast cutting speed and high strength.
參閱圖1至圖3，習知美國第2005/0186048號公開案螺絲1包含有一螺頭11，一自該螺頭11延伸之桿體12，複數螺旋環設於該桿體12上之螺牙13，以及一設於該桿體12上且相反於該螺頭11之鎖合部14；其中，該等螺牙13上開設有複數相連之切口131，特別是，該等螺牙13之上、下牙峰132、133交合出一牙峰夾角α(約為30度~ 35度)，而設於該切口131上之外牙峰134所形成之頂點135係交合出一頂角α’(約為30度~ 58度)，且該切口131係形成一切口夾角A；故鎖合時，該習知螺絲1可利用該等切口131之旋削功能，以增強該等螺牙13之斬切物件作用，進而達到快速鎖合定位功效。Referring to FIG. 1 to FIG. 3, the screw 1 of the US Patent Publication No. 2005/0186048 includes a screw head 11, a rod body 12 extending from the screw head 11, and a plurality of spiral teeth provided on the rod body 12. And a locking portion 14 disposed on the rod body 12 opposite to the screw head 11; wherein the threaded teeth 13 are provided with a plurality of connected slits 131, in particular, the threaded teeth 13 The lower peaks 132 and 133 intersect with a peak angle α (about 30 degrees to 35 degrees), and the apex 135 formed by the outer tooth peaks 134 is disposed on the slit 131 to intersect an apex angle α' ( It is about 30 degrees to 58 degrees), and the slit 131 forms an angle A of the mouth; so when the lock is engaged, the conventional screw 1 can utilize the turning function of the slits 131 to enhance the cutting of the thread 13 The object acts to achieve fast locking and positioning.
然，實際使用後發現，該等螺牙13鎖合進入物件2過程中，雖該等切口131的設置可提供較佳切削效果，不過，該等切口131之切口夾角A之角度大小及該等螺牙13之牙峰夾角α之角度大小等設計，實際上卻容易影響該螺絲1鎖合效果，以下茲分析如下：However, after the actual use, it is found that the insertion of the slits 13 into the object 2, although the provision of the slits 131 can provide a better cutting effect, the angle of the angle A of the slits of the slits 131 and the like The design of the angle of the tooth peak angle α of the thread 13 is actually easy to affect the screw 1 locking effect. The following analysis is as follows:
1.首先針對該等切口夾角A之角度大小而論：該等螺牙13之切削能力係受該等切口夾角A之設置角度大小影響而不同，亦即若該等切口夾角A之角度 設置過小，則於該等螺牙13切削過程中執行快速鎖合進入物件2之動作時，該物件2纖維因具有彈性回復力之特色，而無法逐一進入該等切口131之中，導致該等切口131係無法一一有效提供輔助旋削該物件2之功能，故該等切口131之切削能力係為有限，甚至無效果，而無法引導該螺絲1確實攻入該物件2；反之，若該切口夾角A開設過大，則該等螺牙13之尺寸有可能會相對減小，反而該切口夾角A過大之該等切口131之旋削能力不如該切口夾角A較小之旋削能力，且此類尺寸相對較小之螺牙12則因其結構方面較薄弱而導致承受扭力不足而容易有崩牙之情形產生，亦值得改善。1. Firstly, for the angle of the angle A of the incisions: the cutting ability of the threads 13 is affected by the angle of the angle of the incision angle A, that is, if the angle of the incision angle A is If the setting is too small, when the action of the quick-locking into the object 2 is performed during the cutting process of the thread 13, the fiber of the object 2 has the characteristic of elastic restoring force, and cannot enter the slits 131 one by one, resulting in such a The slits 131 cannot effectively provide the function of assisting the turning of the object 2, so the cutting ability of the slits 131 is limited or even ineffective, and the screw 1 cannot be guided to actually break into the object 2; If the angle A is too large, the size of the thread 13 may be relatively reduced. On the contrary, the angle of the slit A is too large, and the cutting ability of the slit 131 is not as small as that of the angle A of the slit, and the size is relatively The smaller thread 12 is less susceptible to torsion due to its weaker structure and is prone to cr loss. It is also worth improving.
2.針對該等螺牙13之牙峰夾角α設計而論：該螺絲1之鎖合效果係受該等螺牙13之牙峰夾角α設計角度大小影響而不同，亦即若該等螺牙13之牙峰夾角α過小，該等螺牙13雖可具有較佳之切削能力，但當該等螺牙13遇較堅硬之物件時，極易因該等螺牙13無法承受較大之旋入扭力，致使該等螺牙13於鎖合過程中容易斷裂；反之，當該等螺牙13之牙峰夾角α較大時，該等螺牙13雖可具較佳之承受扭力，但切削效果雖不如牙峰夾角α度較小之螺牙，故使用上有其限制性，實有待改善。2. In view of the design of the peak angle α of the teeth 13 , the locking effect of the screw 1 is affected by the angle of the angle α of the teeth 13 of the threads 13 , that is, if the threads are 13 The peak angle α of the tooth is too small, and although the screw 13 can have a better cutting ability, when the screw 13 encounters a hard object, it is easy for the screw 13 to be unable to withstand a large screwing. The torque causes the threads 13 to be easily broken during the locking process; conversely, when the angle α of the teeth of the threads 13 is large, the threads 13 can better withstand the torsion, but the cutting effect is It is not as good as the screw with a small angle α of the tooth peak, so it has its limitations and needs to be improved.
因此，本發明之目的，是在提供一種鎖合低阻力螺絲，具有提升切削能力外，更可增加強度，進而達到快速 鎖合之功效。Therefore, the object of the present invention is to provide a locking low-resistance screw which can increase the cutting ability and increase the strength, thereby achieving rapid The effect of the lock.
於是，本發明鎖合低阻力螺絲包含有一螺頭，一設於該螺頭上之桿體，複數螺旋環設於該桿體上之第一螺牙，以及一相反於該螺頭方向且設於該桿體上之鎖合部；其中，該每一第一螺牙具有一第一上牙峰面，以及一與該第一上牙峰面相接之第一下牙峰面；該第一上牙峰面與該第一下牙峰面之相接處交合有一第一牙峰夾角；特別是，該桿體上係螺旋環設有複數第二螺牙，其係分設於該第一上牙峰面與該第一下牙峰面上；其中，該每一第二螺牙具有一第二上牙峰面及一與該第二上牙峰面連接之第二下牙峰面；該第二上牙峰面與該第二下牙峰面之相接處交合有一第二牙峰夾角；同時，該等第二上牙峰面與第二下牙峰面上開設有複數相對之開槽；且該第一牙峰夾角係小於該第二牙峰夾角；故鎖合時，該開槽除可有效斬切物件及容置切屑外，再配合該等第一螺牙設於該等第二螺牙間之方式，且該第一牙峰夾角小於該第二牙峰夾角而可增強該等第二牙峰之強度的特性，更加提升該鎖合低阻力螺絲之切削能力，以達到快速鎖合之功效。Therefore, the lock low resistance screw of the present invention comprises a screw head, a rod body disposed on the screw head, a plurality of first spiral teeth disposed on the shaft body, and a direction opposite to the screw head direction a locking portion on the rod; wherein each of the first threads has a first upper peak surface, and a first lower peak surface that is in contact with the first upper peak surface; the first a first peak peak is intersected at an intersection of the upper tooth peak surface and the first lower tooth peak surface; in particular, the rod body upper spiral ring is provided with a plurality of second screw teeth, and the system is divided into the first The upper tooth peak surface and the first lower tooth peak surface; wherein each of the second thread has a second upper tooth peak surface and a second lower tooth peak surface connected to the second upper tooth peak surface; The second upper peak surface and the second lower peak surface intersect at a second peak angle; at the same time, the second upper peak surface and the second lower peak surface are provided with a plurality of opposite sides Slotting; and the angle of the first peak is smaller than the angle of the second peak; therefore, in the case of locking, the slot can effectively cut the object and accommodate the chip, and then cooperate with the first The tooth is disposed between the second teeth, and the angle of the first peak is smaller than the angle of the second peak to enhance the strength of the second peak, and the cutting of the low resistance screw is further improved. Ability to achieve fast lock-in effects.
有關本發明之前述及其他技術內容、特點與功效，在以下配合參考圖式之較佳實施例的詳細說明中，將可清楚的明白。The above and other technical contents, features, and advantages of the present invention will become apparent from the Detailed Description of the <RTIgt;
在發明被詳細描述前，要注意的是，在以下的說明中，類似的元件是以相同編號來表示。Before the invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.
參閱圖4至圖7，本發明鎖合低阻力螺絲3之第一較佳實施例，其包含有一螺頭31，一由該螺頭31延伸之桿體32，複數螺旋環設於該桿體32上之第一螺牙33，以及一相反於該螺頭31方向且設於該桿體32上之鎖合部34；其中，該每一第一螺牙33具有一第一上牙峰面331，以及一與該第一上牙峰面331相接之第一下牙峰面332；該第一上牙峰面331與該第一下牙峰面332之相接處交合有一第一牙峰夾角α；特別是，該桿體32上係螺旋環設有複數分設於該第一上牙峰面331與該第一下牙峰面332上之第二螺牙35；其中，該每一第二螺牙35具有一第二上牙峰面351及一與該第二上牙峰面351連接之第二下牙峰面352；該第二上牙峰面351與該第二下牙峰面352之相接處交合有一第二牙峰夾角α’；同時，該等第二上牙峰面351與第二下牙峰面352上各開設有複數相對之開槽A；再者，該第一牙峰夾角α係小於該第二牙峰夾角α’；值得一提的是，本實施例中，該第一螺牙33之直徑d係可設置成小於該第二螺牙35之直徑D之態樣(如圖6、圖7所示)，且該開槽A係由至少二線性脅邊A’匯集而成。Referring to FIG. 4 to FIG. 7 , a first preferred embodiment of the locking low-resistance screw 3 of the present invention comprises a screw head 31 , a rod body 32 extending from the screw head 31 , and a plurality of spiral rings disposed on the rod body a first thread 33 on the 32, and a locking portion 34 disposed on the rod body 32 opposite to the screw head 31; wherein each of the first thread teeth 33 has a first upper tooth surface And a first lower peak surface 332 that is in contact with the first upper peak surface 331; a first tooth is intersected between the first upper peak surface 331 and the first lower peak surface 332 a peak angle α; in particular, the spiral ring on the rod body 32 is provided with a plurality of second threads 35 disposed on the first upper peak surface 331 and the first lower peak surface 332; A second thread 35 has a second upper peak surface 351 and a second lower peak surface 352 connected to the second upper peak surface 351; the second upper peak surface 351 and the second lower tooth The intersection of the peak faces 352 intersects with a second peak angle α'; at the same time, the second upper peak surface 351 and the second lower peak surface 352 are respectively provided with a plurality of opposite slots A; The first peak angle α It is smaller than the second peak angle α'; it is worth mentioning that, in this embodiment, the diameter d of the first thread 33 can be set smaller than the diameter D of the second thread 35 (as shown in the figure). 6. Figure 7), and the slotted A is formed by at least two linear flank A'.
仍續前述，該鎖合低阻力螺絲3於物件(圖中未示)上進行鎖合時，首先施以一旋轉扭力於該螺頭31上而帶動該鎖合部34鎖入該物件內，以使該等第二螺牙35得以斬切該物件，此時再配合該等開設於該第二螺牙35上之開槽A，更提供輔助旋削該物件，且斬切後之切屑亦可容置於其中，另，鑒於該等第一螺牙33設於該等第二螺牙35 間之方式，及該第一牙峰夾角α小於該第二牙峰夾角a’之設置，當螺絲鑽鎖時，該第一螺牙33實可穩固支撐該第二螺牙35以進行鑽鎖切削，故可有效增強該等第二螺牙35之強度的特性，同時大幅提升該鎖合低阻力螺絲3之切削能力，以達到快速鎖合之功效。Continuing the foregoing, when the locking low-resistance screw 3 is locked on the object (not shown), firstly, a rotational torque is applied to the screw head 31 to drive the locking portion 34 to lock into the object. In order to enable the second screw 35 to cut the object, and then cooperate with the slot A formed on the second screw 35, the auxiliary screw is further provided, and the chip after cutting can also be used. Included therein, and in view of the fact that the first thread 33 is disposed on the second thread 35 And the first tooth peak angle α is smaller than the second tooth peak angle a', when the screw is drilled, the first screw 33 can stably support the second screw 35 for drilling lock The cutting can effectively enhance the strength characteristics of the second screw 35, and greatly improve the cutting ability of the locking low resistance screw 3, so as to achieve the effect of quick locking.
再者，該等第一螺牙33與該等第二螺牙35之結合係可增強該等螺牙之強度而提昇切削效果，有效解決該鎖合低阻力螺絲3在斬切過程中，因該開槽A設置角度大小不適當而影響切削作用之缺失，再加上該第一螺牙33之直徑d小於該第二螺牙35之直徑D，該第一螺牙33與該第二螺牙35之間可形成有一較佳容屑空間，更供斬切後之切屑可以快速排出，進而達到快速鎖合之功效。Furthermore, the combination of the first thread 33 and the second thread 35 can enhance the strength of the thread and improve the cutting effect, effectively solving the locking low resistance screw 3 during the cutting process. The slot A is not properly shaped to affect the lack of cutting action, and the diameter d of the first screw 33 is smaller than the diameter D of the second screw 35, the first screw 33 and the second screw A better chip space can be formed between the teeth 35, and the chips after the cutting can be quickly discharged, thereby achieving the effect of quick locking.
參閱圖4、圖5及圖8、圖9，本發明之第二較佳實施例，該鎖合低阻力螺絲3仍包含有一螺頭31、一桿體32、複數第一螺牙33、一鎖合部34、及複數第二螺牙35等構件，且其增加強度、提升切削能力、及快速鎖合等功效之達成均與第一實施例所述相同，恕不詳述；特別是，本實施例在於該第一螺牙33之直徑d係等於該第二螺牙35之直徑D；當鎖合時，透過該等具有較小第一牙峰夾角α之第一螺牙33結合該等具較大之第二牙峰夾角α’之第二螺牙35，其可供該鎖合低阻力螺絲3在斬切過程中，獲得較佳之承受應力，以增加該鎖合低阻力螺絲3之鑽鎖強度；再者，該開槽A仍保有一定尺寸之容屑空間，是以，鎖合過程中不會因切屑積存過多而產生強大阻力，確實達到快 速鎖合等功效。Referring to FIG. 4, FIG. 5 and FIG. 8 and FIG. 9, in the second preferred embodiment of the present invention, the locking low resistance screw 3 further comprises a screw head 31, a rod body 32, a plurality of first thread teeth 33, and a The components such as the locking portion 34 and the plurality of second screws 35, and the effects of increasing the strength, improving the cutting ability, and fast locking, are the same as those described in the first embodiment, and are not described in detail; in particular, In this embodiment, the diameter d of the first thread 33 is equal to the diameter D of the second thread 35; when locked, the first thread 33 having the smaller first peak angle α is combined with the first thread 33 And a second screw 35 having a larger second peak angle α', which can be used for the locking low resistance screw 3 to obtain better stress during the cutting process to increase the locking low resistance screw 3 The drill lock strength; in addition, the slot A still retains a certain size of the chip space, so that the lock process does not generate a large resistance due to excessive accumulation of chips, and indeed achieves fast Speed lock and other effects.
配合參閱圖10、11本發明之第三較佳實施例，該鎖合低阻力螺絲3仍包含有一螺頭31、一桿體32、複數第一螺牙33、一鎖合部34、及複數第二螺牙35等構件，且其增加強度、提升切削能力、及快速鎖合等功效之達成均與第一實施例所述相同，恕不詳述；特別是，本實施例在於該等第二螺牙35上所開設之開槽A由多數線性脅邊A’相對匯集而成；是以鎖合時，除利用該等第一螺牙33與該等第二螺牙35之結合而提供較佳鑽鎖強度外，該開槽A仍保有一定尺寸之容屑空間，以降低鎖合阻力，同時提升切削效果，確實達到快速鎖合等功效。With reference to the third preferred embodiment of the present invention, the locking low resistance screw 3 further includes a screw head 31, a rod body 32, a plurality of first thread teeth 33, a locking portion 34, and a plurality of The second screw 35 and the like, and the achievement of the functions of increasing the strength, improving the cutting ability, and quick-locking are the same as those described in the first embodiment, and will not be described in detail; in particular, the embodiment is in the same The slot A formed on the second screw 35 is formed by a plurality of linear flank A's; in the case of the lock, the combination of the first screw 33 and the second screw 35 is provided. In addition to the better drilling lock strength, the slot A still retains a certain size of chip space to reduce the locking resistance, while improving the cutting effect, and indeed achieves the effect of quick locking.
歸納前述，本發明鎖合低阻力螺絲藉由該等第二螺牙上開設有複數相對之開槽設置，藉以輔助旋削物件並確保容屑空間外，配合該第一牙峰夾角小於該第二牙峰夾角以強化該等第二螺牙之應力，俾利提升該鎖合低阻力螺絲之切削能力，進而達到快速鎖合之功效，故確實能達到本發明之目的。In summary, the locking low-resistance screw of the present invention is provided with a plurality of opposite slottings by opening the second screw, thereby assisting in turning the object and ensuring the outside of the chip space, and the angle of the first tooth is smaller than the second The angle between the teeth is used to strengthen the stress of the second screw, and the cutting ability of the locking low-resistance screw is improved, thereby achieving the effect of quick locking, so that the object of the present invention can be achieved.
惟以上所述者，僅為說明本發明之較佳實施例而已，當不能以此限定本發明實施之範圍，即大凡依本發明申請專利範圍及發明說明書內容所作之簡單的等效變化與修飾，皆應仍屬本發明專利涵蓋之範圍內。The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the description of the invention. All should remain within the scope of the invention patent.
3‧‧‧鎖合低阻力螺絲3‧‧‧Lock low resistance screw
31‧‧‧螺頭31‧‧‧ screw head
32‧‧‧桿體32‧‧‧ rod body
33‧‧‧第一螺牙33‧‧‧First thread
331‧‧‧第一上牙峰面331‧‧‧First upper tooth peak
332‧‧‧第一下牙峰面332‧‧‧The first lower peak
34‧‧‧鎖合部34‧‧‧Locking Department
35‧‧‧第二螺牙35‧‧‧Second thread
351‧‧‧第二上牙峰面351‧‧‧Second upper tooth peak
352‧‧‧第二下牙峰面352‧‧‧second lower peak
A‧‧‧開槽A‧‧‧ slotting
α‧‧‧第一牙峰夾角α‧‧‧The first peak angle
α’‧‧‧第二牙峰夾角’’‧‧‧The second peak of the tooth
d‧‧‧第一螺牙之直徑d‧‧‧Diameter of the first thread
D‧‧‧第二螺牙之直徑D‧‧‧ diameter of the second thread
圖1是一習知螺絲示意圖；圖2是習知螺絲之單一螺牙剖面圖； 圖3是習知螺絲之螺牙示意圖；圖4是本發明第一較佳實施例之立體示意圖；圖5是圖4之局部放大圖；圖6是本發明第一較佳實施例之單一螺牙剖面圖；圖7是本發明第一較佳實施例之螺牙示意圖；圖8是本發明第二較佳實施例之螺牙示意圖；圖9是本發明第二較佳實施例之螺牙示意圖；圖10是本發明第三較佳實施例之立體示意圖；及圖11是圖10之局部放大圖。Figure 1 is a schematic view of a conventional screw; Figure 2 is a cross-sectional view of a single screw of a conventional screw; Figure 3 is a schematic view of a screw of a conventional screw; Figure 4 is a perspective view of a first preferred embodiment of the present invention; Figure 5 is a partial enlarged view of Figure 4; Figure 6 is a single screw of the first preferred embodiment of the present invention Figure 7 is a schematic view of a threaded tooth according to a first preferred embodiment of the present invention; Figure 8 is a schematic view of a threaded tooth according to a second preferred embodiment of the present invention; and Figure 9 is a threaded version of a second preferred embodiment of the present invention; FIG. 10 is a perspective view of a third preferred embodiment of the present invention; and FIG. 11 is a partial enlarged view of FIG.
3‧‧‧鎖合低阻力螺絲3‧‧‧Lock low resistance screw
31‧‧‧螺頭31‧‧‧ screw head
32‧‧‧桿體32‧‧‧ rod body
33‧‧‧第一螺牙33‧‧‧First thread
34‧‧‧鎖合部34‧‧‧Locking Department
35‧‧‧第二螺牙35‧‧‧Second thread
Claims (3)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW99114668A TWI382129B (en) | 2010-05-07 | 2010-05-07 | A screw with low drilling resistance |
| AU2011200549A AU2011200549B2 (en) | 2010-05-07 | 2011-02-10 | A screw with low drilling resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW99114668A TWI382129B (en) | 2010-05-07 | 2010-05-07 | A screw with low drilling resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201139869A TW201139869A (en) | 2011-11-16 |
| TWI382129B true TWI382129B (en) | 2013-01-11 |
Family
ID=45442320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW99114668A TWI382129B (en) | 2010-05-07 | 2010-05-07 | A screw with low drilling resistance |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU2011200549B2 (en) |
| TW (1) | TWI382129B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
| TWM350620U (en) * | 2008-09-09 | 2009-02-11 | Channg Chin Industry Corp | Screw |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7163366B2 (en) * | 2005-01-05 | 2007-01-16 | Pei-Hua Chen | Screw with two types of threads |
| EP1850016B1 (en) * | 2006-08-29 | 2008-08-13 | Taiwan Shan Yin International Co., Ltd. | Saw Tooth Screw |
-
2010
- 2010-05-07 TW TW99114668A patent/TWI382129B/en active
-
2011
- 2011-02-10 AU AU2011200549A patent/AU2011200549B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
| TWM350620U (en) * | 2008-09-09 | 2009-02-11 | Channg Chin Industry Corp | Screw |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2011200549B2 (en) | 2012-04-19 |
| AU2011200549A1 (en) | 2011-11-24 |
| TW201139869A (en) | 2011-11-16 |
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