CN210461335U

CN210461335U - Self-tapping screw with guide

Info

Publication number: CN210461335U
Application number: CN201921330410.7U
Authority: CN
Inventors: 翁小琴
Original assignee: Hangzhou Tongna Hardware Manufacturing Co ltd
Current assignee: Hangzhou Tongna Hardware Manufacturing Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-05
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to a self tapping screw technical field just discloses a self tapping screw of area direction, including the double-screw bolt, the left side of double-screw bolt is equipped with the spiral shell point, the right side of double-screw bolt is equipped with the nut, the outer edge of spiral shell point is equipped with the friction tooth, and the outer edge of double-screw bolt is equipped with the fillet of screw, the side of nut is equipped with the side edge, and the middle part on the side edge has seted up sunkenly, sunken inboard fixed mounting has little dogtooth. This self-tapping screw of area direction, through being provided with rain-proof visor, setting up through this rain-proof visor makes the cross socket of screw can not drench with rain, thereby the cross socket that the screw just can avoid the screw in outdoor installation is drenched with rain and is corroded, it is better at open air result of use to have guaranteed this kind of screw, and this rain-proof visor is the transparent material of plastics, can real-timely observation screw cross socket inside whether rust, and the side of rain-proof visor is along being provided with the draw-in groove, can install and dismantle with the cross socket position of screw, it is very convenient to use.

Description

Self-tapping screw with guide

Technical Field

The utility model relates to a self tapping screw technical field specifically is a self tapping screw of area direction.

Background

The self-tapping screw is used in the fastening field of various metal plates, pipes and other manufacturing industries, and is widely used in the assembly of automobiles, aviation, railways, switches, elevators, furniture, decorations and instruments.

Self-tapping screw need use the tip cross of screwdriver to aim at the cross socket of screw and twist and move when the installation is dismantled and dismantle or install, and in the installation screw, the condition of screw slope in installation earlier stage often can appear, it is not perpendicular with the installation object, the installation is firm enough and not pleasing to the eye inadequately, influence the security and the aesthetic property of installation, if the screw will appear rusty condition after experiencing for a period of time outdoors for a long time in addition, lead to the inside rust and corrosion of cross socket, can't twist the screw, the work of dismantling has brought the difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a self-tapping screw of area direction possesses the friction tooth and has the guide effect and avoid the screw slope safe pleasing to the eye more, thereby the rain-proof visor guarantees that the cross plug of screw can not intake and avoid the advantage of corrosion, has solved the screw and has experienced the rain-proof one period of time of drenching for a long time and will appear rusty condition after, thereby the inside rust corrosion that leads to the cross socket, can't twist the screw, and then has brought the problem of difficulty for the dismantlement work.

The utility model provides a following technical scheme: the utility model provides a self-tapping screw of area direction, includes the double-screw bolt, the left side of double-screw bolt is equipped with the spiral shell point, the right side of double-screw bolt is equipped with the nut, the outer edge of spiral shell point is equipped with the friction tooth, the outer edge of double-screw bolt is equipped with the fillet of screw, the side of nut is equipped with the side edge, and the middle part on the side edge has seted up sunkenly, sunken inboard fixed mounting has little dogtooth, cross socket has been seted up in sunken front, sunken positive activity joint has rain-proof visor, the draw-in groove has been seted up along the side of rain-proof visor, the middle part of rain-proof visor is equipped with.

Preferably, the number of the friction teeth is twenty, and the twenty friction teeth are divided into four groups which are symmetrically distributed in four directions of the screw tip.

Preferably, the number of the small convex teeth is two, and the two small convex teeth are symmetrically distributed in an inclined angle of 45 degrees.

Preferably, the thickness of the rain-proof protection cover is consistent with the depth of the recess.

Preferably, the draw-in groove is the banding distribution, and distributes in the side edge of rain-proof visor, the activity joint is realized through the little dogtooth on draw-in groove and the nut to rain-proof visor.

Preferably, the friction rib is a smaller convex rib, and the convex rib is distributed on two sides of the handle.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this self-tapping screw of area direction, through being provided with rain-proof visor, setting up through this rain-proof visor makes the cross socket of screw can not drench with rain, thereby the cross socket that the screw just can avoid the screw in outdoor installation is drenched with rain and is corroded, it is better at open air result of use to have guaranteed this kind of screw, and this rain-proof visor is the transparent material of plastics, can real-timely observation screw cross socket inside whether rust, and the side of rain-proof visor is along being provided with the draw-in groove, can install and dismantle with the cross socket position of screw, it is very convenient to use.

2. This self-tapping screw of area direction, through being provided with the friction tooth, the setting of friction tooth can be at the screw, and the fillet of screw rubs out a hole to being installed the object before carrying out winding work to it is more stable when boring in the fillet of screw rotates, can not lead to the not good condition that takes place the slope of screw stability because the fillet of screw carries out work at first, thereby has guaranteed the stability of this screw, can not take place the slope when the installation, makes the installation more firm and pleasing to the eye.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is a perspective view of the nut structure of the present invention;

fig. 4 is a perspective view of the rain-proof protective cover structure of the present invention.

In the figure: 1. a stud; 2. a tip of the screw; 3. a nut; 4. friction teeth; 5. a thread ring; 6. a side edge; 7. Recessing; 8. a small convex tooth; 9. a cross socket; 10. a rain-proof protective cover; 11. a card slot; 12. a handle; 13. and rubbing the ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a self-tapping screw with a guide comprises a stud 1, a screw tip 2 is arranged on the left side of the stud 1, a nut 3 is arranged on the right side of the stud 1, friction teeth 4 are arranged on the outer edge of the screw tip 2, the number of the friction teeth 4 is twenty, the twenty friction teeth 4 are symmetrically distributed in four directions of the screw tip 2 in four groups, and through the arrangement of the twenty friction teeth 4, enough friction teeth 4 can perform friction drilling on an object, so that the screw is faster and more convenient to install, in addition, the twenty friction teeth 4 are symmetrically distributed in four directions of the screw tip 2 in four groups, so that the twenty friction teeth 4 can be distributed in four directions of the screw tip 2 in four directions, so that the screw is more stable in drilling, a thread ring 5 is arranged on the outer edge of the stud 1, a side edge 6 is arranged on the side surface of the nut 3, and the middle part of the side edge 6 is provided with a recess 7, the inner side of the recess 7 is fixedly provided with a small convex tooth 8, the number of the small convex teeth 8 is two, and the two small convex teeth 8 are symmetrically distributed in an inclined way at 45 degrees, the small convex teeth 8 are arranged in two, so that the rain-proof protective cover 10 can be fixed on the side surface of the screw cap 3, the cross socket 9 in the screw cap 3 can be sealed, the cross socket 9 can not enter water, the normal disassembly work which cannot be carried out by the corrosion of the cross socket 9 can be avoided, in addition, the clamping stability of the rain-proof protective cover 10 can be ensured by the symmetrical distribution of the two small convex teeth 8 which are arranged in an inclined way at 45 degrees, the rain-proof protective cover can not easily fall off, the use is very safe, the cross socket 9 is arranged on the front side of the recess 7, the rain-proof protective cover 10 is movably clamped on the front side of, through the arrangement that the thickness of the rain-proof protective cover 10 is consistent with the depth of the recess 7, the rain-proof protective cover 10 can be directly inserted into the recess 7 to form a whole with the recess 7, so the appearance is more attractive, and because the rain-proof protective cover 10 can be directly inserted into the recess 7 to form a whole with the recess 7, the side surface of the nut 3 can form a plane, rainwater can not be adhered to the side surface and remained to eliminate hidden danger, the side edge of the rain-proof protective cover 10 is provided with the clamping groove 11, the clamping groove 11 is distributed in a belt shape and is distributed on the side edge of the rain-proof protective cover 10, the rain-proof protective cover 10 is movably clamped with the small convex tooth 8 on the nut 3 through the clamping groove 11, through the arrangement that the clamping groove 11 is distributed in a belt shape, the rain-proof protective cover 10 can be butted with the small convex tooth, in addition, the clamping groove 11 is distributed in the side edge of the rainproof protective cover 10, the clamping groove 11 and the small convex teeth 8 can be butted at the accurate position through the correct position, the middle part of the rainproof protective cover 10 is provided with a handle 12, the side surface of the handle 12 is provided with a friction rib 13, the friction rib 13 is a small convex rib, the convex rib is distributed on the two sides of the handle 12, the friction rib 13 is arranged on the small convex rib, the friction rib 13 can achieve the effect of increasing the friction force, and therefore the hand slipping problem can be avoided when the user detaches the rainproof protective cover 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-tapping screw of area direction, includes double-screw bolt (1), its characterized in that: the left side of double-screw bolt (1) is equipped with spiral shell point (2), the right side of double-screw bolt (1) is equipped with nut (3), the outer edge of spiral shell point (2) is equipped with friction tooth (4), the outer edge of double-screw bolt (1) is equipped with screw thread circle (5), the side of nut (3) is equipped with side edge (6), and the side has seted up sunken (7) along the middle part of (6), the inboard fixed mounting of sunken (7) has little dogtooth (8), cross socket (9) have been seted up in the front of sunken (7), the positive movable joint of sunken (7) has rain-proof visor (10), draw-in groove (11) have been seted up along the side of rain-proof visor (10), the middle part of rain-proof visor (10) is equipped with handle (12), the side of handle (12) is equipped with friction muscle (13).

2. A self-tapping screw with guide as defined in claim 1, wherein: the number of the friction teeth (4) is twenty, and the twenty friction teeth (4) are divided into four groups and symmetrically distributed in four directions of the screw tip (2).

3. A self-tapping screw with guide as defined in claim 1, wherein: the number of the small convex teeth (8) is two, and the two small convex teeth (8) are symmetrically distributed in an inclined 45-degree mode.

4. A self-tapping screw with guide as defined in claim 1, wherein: the thickness of the rain-proof protective cover (10) is consistent with the depth of the recess (7).

5. A self-tapping screw with guide as defined in claim 1, wherein: draw-in groove (11) are the banding and distribute, and distribute in the side edge of rain-proof visor (10), activity joint is realized through little dogtooth (8) on draw-in groove (11) and nut (3) in rain-proof visor (10).

6. A self-tapping screw with guide as defined in claim 1, wherein: the friction ribs (13) are small convex ribs, and the convex ribs are distributed on two sides of the handle (12).