CN1607334A

CN1607334A - Screw nail

Info

Publication number: CN1607334A
Application number: CN 200310101047
Authority: CN
Inventors: 何人东
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-13
Filing date: 2003-10-13
Publication date: 2005-04-20

Abstract

The present invention is a screw having a thread wound around the outer periphery of the screw body, and mainly a plurality of continuous or discontinuous progressively high cutters are formed in the thread direction of the screw, and the progressively high cutters have at least one entry end and at least one exit end, wherein the entry end of the progressively high cutter is lower than the original height of the screw thread at that location, and its height gradually increases toward the exit end, and the exit end of the progressively high cutter is approximately equal to the original normal height of the screw thread at that location, and between two adjacent progressively high cutters, the exit end of the former cutter is higher than the entry end of the latter progressively high cutter.

Description

Screw

Technical field

The present invention is the technical field that belongs to a kind of screw, refers to be provided with on the screw thread of screw the innovation structure case of a plurality of gradually high formula cutting knifes especially.

Background technique

Press; the employed screw of known tradition; the most screw threads (as shown in figure 16) that on main body, are provided with simply and are continuous shape; and this kind screw is being locked wooden or during the plastics object; if the quality of object is hard and need when longer than farm labourer's part (screw) thread; the strength that user's necessary expense is very big could be locked screw; also may be difficult to lock or cause screw stuck in object; and may cause in a dilemma with cross syringe needle destruction; if the application of force is too quickly even screw is twisted off; and have influence on job schedule and cause the damage of object; moreover; because the screw thread of existing screw is the otch of a continuous shape, therefore regular meeting takes place loosening under the vibration environment if be in; the situation that comes off.

Via above-mentioned explanation as can be known, no matter traditional screw is to constitute or using effect, because that design is not attained is perfect, and the shortcoming and inconvenience that exist multinomial behaviour to denounce have necessity of improving as quickly as possible in fact.

In view of this, this case creator is by the experience of being engaged in this research and development of products and manufacturing for many years, actively seeks the scheme that solves, through the research of long-term endeavour with study, and the generation of " screw " of the present invention has been arranged.

Summary of the invention

Main purpose of the present invention, provide a kind of " screw ", it is by the structure of this innovation, so that make screw when screwing in object, be to utilize the inlet side of a plurality of gradually high formula cutting knifes set on the screw thread to cut wooden fiber or hard glass fibre object and from the odontiasis line, making screw be easy to revolve locks in the object, owing to cut the object fiber, quality harder objuct spare can not burst open, use the design that gradually high formula cutting knife goes out end structure simultaneously, have anti-loose effect after can making screw locking.

And main being characterized as of the present invention: have the screw thread of spiral shell around screw main body periphery, and it mainly is to be formed with a plurality of continuous or discrete gradually high formula cutting knifes on the hand of spiral of this screw, this gradually high formula cutting knife has at least one inlet side and at least onely goes out end, wherein the inlet side of this gradually high formula cutting knife is lower than original height of this place's screw screw thread, its height and gradual raising toward going out end, gradually high formula cutting knife go out the original normal height that end then approximates this place's screw screw thread, and face mutually between two gradually high formula cutting knifes, the end that goes out of last gradually high formula cutting knife is higher than the inlet side of a gradually high formula cutting knife afterwards.

Be formed with tooth on the gradually high formula cutting knife of described hand of spiral.

Tooth on the described gradually high formula cutting knife screw thread is the sharp ratchet that is vertical approximately or the suitable angle of tool with screw thread.

Tooth on the described gradually high formula cutting knife screw thread is the half sharp ratchet-like that is vertical approximately or the suitable angle of tool with screw thread.

Tooth on the described gradually high formula cutting knife screw thread is that to be triangle vertical approximately or the suitable angle of tool pointed with screw thread.

Described tooth can be adopted and all set up or partly be built up on the screw thread of gradually high formula cutting knife.

Description of drawings

In order to allow the auditor can further understand formation of the present invention, feature and other purposes, below be to lift a preferred embodiment, and conjunction with figs. describes in detail as after, allow simultaneously and have the knack of this technical field person and can specifically implement, wherein:

Fig. 1 is the schematic cross-section of embodiment of the invention screw.

Fig. 2 is the schematic perspective view of embodiment of the invention screw.

Fig. 3 is the planar development schematic representation of embodiment of the invention screw screw thread.

Fig. 4 is screw tool tooth first an embodiment's of the present invention schematic cross-section.

Fig. 5 is screw screw thread tool tooth first an embodiment's of the present invention schematic perspective view.

Fig. 6 is screw screw thread tool tooth first an embodiment's of the present invention planar development schematic representation.

Fig. 7 is screw screw thread tool tooth second an embodiment's of the present invention schematic cross-section.

Fig. 8 is screw screw thread tool tooth second an embodiment's of the present invention schematic perspective view.

Fig. 9 is screw screw thread tool tooth second an embodiment's of the present invention planar development schematic representation.

Figure 10 is screw screw thread tool tooth the 3rd an embodiment's of the present invention schematic cross-section.

Figure 11 is screw screw thread tool tooth the 3rd an embodiment's of the present invention schematic perspective view.

Figure 12 is screw screw thread tool tooth the 3rd an embodiment's of the present invention planar development schematic representation.

Figure 13 is screw screw thread tool tooth the 4th an embodiment's of the present invention schematic cross-section.

Figure 14 is screw screw thread tool tooth the 4th an embodiment's of the present invention schematic perspective view.

Figure 15 is screw screw thread tool tooth the 4th an embodiment's of the present invention planar development schematic representation.

Figure 16 is the schematic perspective view of known screw.

Embodiment

As Fig. 1～shown in Figure 3, the present invention is a kind of " screw " case, and it mainly is to have the screw thread 11 of spiral shell around screw main body 1 periphery, and is formed with a plurality of continuous or discrete gradually high formula cutting knifes 2 on screw thread 11 directions of this screw main body 1.

As Fig. 1～shown in Figure 3, moreover, this gradually high formula cutting knife 2 has at least one inlet side 21 and at least onely goes out end 22, wherein, the inlet side 21 of this gradually high formula cutting knife 2 is lower than original height (ginseng notional line 4) of this place's screw main body 1 screw thread 11, its height and gradual raising toward going out end, gradually high formula cutting knife 2 go out the original normal height that end 22 then approximates this place's screw main body 1 screw thread 11, and face mutually between two gradually high formula cutting knifes 2 and 2 ', the end 22 that goes out of last gradually high formula cutting knife 2 is higher than the inlet side 21 ' of a gradually high formula cutting knife 2 ' afterwards.

As Fig. 4～shown in Figure 15, again, can on high formula cutting knife gradually 2,2 ' screw thread 11, be formed with most tooths 3 on the material object of the present invention, and the tooth 3 on the gradually high formula cutting knife 2 can be adopted and all sets up or partly be built up on the gradually high formula cutting knife 2.

And tooth 3 of the present invention is to have following several embodiments:

First embodiment: the gradually high formula cutting knife 2 of this case, the tooth 3 on the 2 ' screw thread 11 are the sharp ratchets 31 (as Fig. 4～Fig. 6, Figure 10～shown in Figure 12) that are vertical approximately or the suitable angle of tool with screw thread 11.

Second embodiment: the gradually high formula cutting knife 2 of this case, the tooth 3 on the 2 ' screw thread 11 are the half sharp ratchet-like 32 (as Fig. 7～shown in Figure 9) that are vertical approximately or the suitable angle of tool with screw thread 11.

The 3rd embodiment: the gradually high formula cutting knife 2 of this case, the tooth 3 on the 2 ' screw thread 11 are to be triangle vertical approximately or the suitable angle of tool pointed 33 (as Figure 13～shown in Figure 15) with screw thread 11.

Certainly, tooth 3 of the present invention is except preceding taking off multiple moulding shape, and other can form the moulding of tooth 3 shapes, all within the scope of this case.

See through above-mentioned explanation, " screw " of the present invention case, it is by the structure of this innovation, so that make screw when screwing in object, be to utilize the inlet side of a plurality of gradually high formula cutting knifes set on the screw thread to cut the object fiber and from the odontiasis line, make screw be easy to revolve and lock in the object, use the design that gradually high formula cutting knife goes out end structure simultaneously, have anti-loose effect after can making screw locking.

In sum, the present invention can effectively solve the disappearance and inconvenience of giving birth to due to the conventional screw nail, have above-mentioned numerous usefulness and use value simultaneously, therefore the present invention possess really " novelty " arranged, " progressive " and " can for the usability on the industry ", and in identical technical field, do not see identical or approximate product public use, so the present invention has met the important document of patent, is to file an application in accordance with the law.

Claims

1. A screw with a screw thread wound around the periphery of the screw body, characterized in that it mainly forms a plurality of continuous or discontinuous progressively higher cutters in the thread direction of the screw, and the gradually higher cutters The knife has at least one inlet end and at least one outlet end, wherein the inlet end of the progressively higher type cutter is lower than the original height of the screw thread at the place, and its height is gradually raised towards the outlet end, while the gradually higher type cutter The outlet end of the knife is approximately equal to the original normal height of the screw thread at that place, and between two adjacent progressively heightened cutters, the outlet end of the former gradually heightened cutter is higher than the inlet end of the latter gradually increased cutter .

2 . The screw according to claim 1 , characterized in that, teeth are formed on the cutting knife with increasing height in the thread direction.

3. The screw according to claim 2, characterized in that the teeth on the thread of the progressively rising cutter are sharp ratchets approximately perpendicular to the thread or at an appropriate angle.

4. The screw according to claim 2, characterized in that, the teeth on the thread of the progressive cutter are in the shape of a half-pointed ratchet approximately perpendicular to the thread or at an appropriate angle.

5. The screw according to claim 2, characterized in that, the teeth on the thread of the progressively rising cutter are in the shape of a triangular point approximately perpendicular to the thread or at an appropriate angle.

6. The screw according to claim 2, characterized in that, said teeth can be set up entirely or partly on the thread of the progressive cutter.