CN214837673U - Self-tapping screw with protective effect - Google Patents
Self-tapping screw with protective effect Download PDFInfo
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- CN214837673U CN214837673U CN202121202761.7U CN202121202761U CN214837673U CN 214837673 U CN214837673 U CN 214837673U CN 202121202761 U CN202121202761 U CN 202121202761U CN 214837673 U CN214837673 U CN 214837673U
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- tapping screw
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Abstract
The utility model discloses a self-tapping screw with protective effect, which belongs to the technical field of self-tapping screws, the surface of a screw column is provided with a spiral thread, one end of the screw column is provided with a screw head, one surface of the screw head is provided with a cross groove, the other end of the screw column is provided with a screw tip, one end of the screw column is connected with a gasket through the thread of the thread, one surface of the gasket is provided with a threaded hole, the inner wall of the threaded hole is provided with an internal thread matched with the thread, one surface of the gasket is fixedly connected with an anti-falling sleeve, the central position of the anti-falling sleeve is provided with a trepanning, the self-tapping screw with protective effect can fix the gasket thread at one end of the self-tapping screw through the threaded hole and the trepanning arranged on the gasket, the screw tip part is hidden, not only the screw tip can be prevented from piercing the hand of a user, but also the gasket is convenient for the user to hold the self-tapping screw to drill, the self-tapping screw is prevented from being inclined during drilling.
Description
Technical Field
The utility model relates to a self tapping screw technical field, more specifically say, relate to a self tapping screw with protecting effect.
Background
The self-tapping screw is characterized in that a drilled hole is a hole without tapping, the used screw is different from a common screw, the head of the screw is sharp, the tooth pitch is larger, the screw is in a point-like manner with a chipless screw tap, and the screw can be directly screwed in without tapping.
At present, the application range of self-tapping screw is wider, it is visible everywhere in the life, wherein in furniture production process, need use self-tapping screw to carry out quick fixed to two panels, but current self-tapping screw is in the use, usually operating personnel holds the screw on one side, beat the screw with the electric screwdriver, when the operation, all be handheld screw, touch the tip of self-tapping screw easily, easily be wounded like this, and because self-tapping screw's one end is most advanced, area of contact is less, take place to be crooked when drilling panel easily, for this reason, we have designed a self-tapping screw that has the safeguard effect, solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a self tapping screw with protecting effect, this self tapping screw with protecting effect passes through screw hole and trepanning that the gasket set up, can hide the screw point part with the one end of gasket threaded fixation at self tapping screw, not only can avoid the screw point to pierce user's hand, and the gasket person of facilitating the use rights self tapping screw in addition drills, avoids self tapping screw to produce when drilling crooked.
In order to solve the above problems, the utility model adopts the following technical proposal.
A self-tapping screw with a protection effect comprises a screw column, wherein spiral thread teeth are arranged on the surface of the screw column, a screw head is arranged at one end of the screw column, a cross groove is formed in one surface of the screw head, a screw tip is arranged at the other end of the screw column, one end of the screw column is connected with a gasket through the thread teeth, a threaded hole is formed in one surface of the gasket, an internal thread matched with the thread teeth is arranged on the inner wall of the threaded hole, an anti-falling sleeve is fixedly connected to one surface of the gasket, a sleeve hole is formed in the center of the anti-falling sleeve, the sleeve hole is concentric and coaxial with the threaded hole, the total depth of the sleeve hole and the threaded hole is larger than the length of the screw tip, the self-tapping screw with the protection effect can fix the gasket at one end of the self-tapping screw through the threaded hole and the sleeve hole which are formed in the gasket, and hide the screw tip part, not only can avoid the screw point to pierce user's hand, the gasket is convenient for the user to right self-tapping screw in addition and is drilled, avoids self-tapping screw to produce crooked when drilling.
Further, the material of anticreep cover is the same with the material of gasket, the shape of anticreep cover is the ring shape, a surface of anticreep cover is equipped with annular anticreep groove, the cross-sectional shape in anticreep groove is barb form triangle-shaped, and the anticreep cover can be avoided in the anticreep groove to break away from out panel to the installation fastness of gasket has been improved, and then increased self tapping screw's installation fastness.
Further, another surface of gasket has seted up and has kept away the dead slot, keep away the dead slot and be concentric coaxial with the screw hole, keep away the shape in dead slot and be tubaeform, keep away the dead slot and be convenient for the gasket and the surperficial laminating of screw head, improve the sealed effect of junction.
Furthermore, one side of the anti-falling sleeve is provided with an inclined plane, the inclined angle of the inclined plane is between fifty degrees and sixty degrees, and the inclined plane is convenient for reducing the end surface area of the anti-falling sleeve and is convenient for being inserted into the plate.
Furthermore, an end face of the anti-falling sleeve is provided with an arc-shaped end, the arc-shaped end can avoid scratching the hand of a user, and the anti-falling sleeve is pressed into the plate by the self-tapping screw conveniently.
Compared with the prior art, the utility model has the advantages of:
(1) the screw hole and the trepanning that this scheme set up through the gasket can hide screw point part in the one end of self tapping screw with gasket threaded fixation, not only can avoid the screw point to pierce user's hand, and the gasket person of being convenient for use rights self tapping screw in addition and drills, avoids self tapping screw to produce when drilling crooked.
(2) The material of anticreep cover is the same with the material of gasket, and the shape of anticreep cover is the ring shape, and one surface of anticreep cover is equipped with annular anticreep groove, and the cross-sectional shape in anticreep groove is barb form triangle-shaped, and the anticreep groove can avoid the anticreep cover to break away from out panel to the installation fastness of gasket has been improved, and then has increased self tapping screw's installation fastness.
(3) The clearance groove is formed in the other surface of the gasket, the clearance groove is concentric and coaxial with the threaded hole, the clearance groove is horn-shaped, the clearance groove is convenient for the gasket to be attached to the surface of the screw head, and the sealing effect of the joint is improved.
(4) One side of the anti-slip sleeve is provided with an inclined plane, the inclined angle of the inclined plane is between fifty degrees and sixty degrees, and the inclined plane is convenient for reducing the end surface area of the anti-slip sleeve and is convenient for being inserted into the plate.
(5) One end face of the anti-falling sleeve is provided with an arc-shaped end, the arc-shaped end can prevent hands of a user from being scratched, and the anti-falling sleeve is conveniently pressed into a plate by the self-tapping screw.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a top view of the gasket structure of the present invention;
fig. 4 is a top view of the anti-slip structure of the present invention;
fig. 5 is a top view of the screw head structure of the present invention.
The reference numbers in the figures illustrate:
1 screw post, 11 screw threads, 2 screw heads, 21 cross grooves, 3 screw tips, 4 gaskets, 41 clearance grooves, 42 threaded holes, 43 anti-falling sleeves, 431 sleeve holes, 432 arc ends, 433 inclined surfaces and 434 anti-falling grooves.
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. 1-5, a self-tapping screw with protection effect includes a screw post 1, referring to fig. 1-5, a spiral thread 11 is provided on a surface of the screw post 1, a screw head 2 is provided at one end of the screw post 1, a cross recess 21 is provided on one surface of the screw head 2, the cross recess 21 is convenient for a user to install the self-tapping screw by using a straight screw head or a cross screw head, which belongs to the prior art, a screw tip 3 is provided at the other end of the screw post 1, the screw tip 3 is located at a center position of a gasket 4 and a slip-off preventing sleeve 43, the tip does not exceed the surface of the slip-preventing sleeve 43, one end of the screw post 1 is in threaded connection with the gasket 4 through the thread 11, the gasket 4 is connected with the screw post 1 through a thread, which not only facilitates the user to hold up, thereby fixing a drilling position of the self-tapping screw, but also each self-tapping screw does not need to find a proper gasket 4 when being installed, guarantee that gasket 4 can not omit or drop, threaded hole 42 is seted up on a surface of gasket 4, threaded hole 42's inner wall is equipped with the internal thread with 11 assorted threads, a fixed surface of gasket 4 is connected with anticreep cover 43, trepanning 431 has been seted up to anticreep cover 43's central point, trepanning 431 is coaxial with threaded hole 42 concentricity, the total depth of trepanning 431 and threaded hole 42 is greater than the length of screw point 3, a terminal surface of anticreep cover 43 is equipped with arc end 432, fish tail user's hand not only can be avoided to arc end 432, and make things convenient for self-tapping screw to press into panel with anticreep cover 43 in, a side of anticreep cover 43 is equipped with inclined plane 433, the inclination of inclined plane 433 is between fifty degrees to sixty degrees, inclined plane 433 is convenient for reducing the terminal surface area of anticreep cover 43, conveniently inject inside the panel.
Referring to the drawing, the anti-drop sleeve 43 is made of the same material as the gasket 4, the anti-drop sleeve 43 is circular, the annular anti-drop groove 434 is formed in one surface of the anti-drop sleeve 43, the cross section of the anti-drop groove 434 is shaped like an inverted triangle, and the anti-drop groove 434 can prevent the anti-drop sleeve 43 from being separated from the plate, so that the installation firmness of the gasket 4 is improved, and the installation firmness of the self-tapping screw is further improved.
Referring to the drawing, the other surface of the gasket 4 is provided with a clearance groove 41, the clearance groove 41 is concentric and coaxial with the threaded hole 42, the clearance groove 41 is trumpet-shaped, and the clearance groove 41 facilitates the surface of the gasket 4 and the screw head 2 to be attached, so as to improve the sealing effect of the joint.
When the self-tapping screw with the protection effect is used, one surface of a gasket 4 is firstly placed on the surface of a plate, an arc-shaped end 432 arranged on an anti-falling sleeve 43 is in contact with the surface of the plate, then a screwdriver drives a screw head 2 to rotate clockwise, the screw head 2 rotates clockwise to drive a screw post 1 and a screw tip 3 to rotate clockwise, the screw post 1 rotates clockwise to move downwards along a threaded hole 42 under the action of threads to drill into the plate, the gasket 4 can be extruded after the screw head 2 contacts the gasket 4 downwards, the gasket 4 is extruded to enable the anti-falling sleeve 43 to be inserted into the plate, the gasket 4 can be fixed at one end of the self-tapping screw through the threaded hole 42 and a trepanning 431 arranged on the gasket 4, the screw tip 3 is hidden, the hand of a user can be prevented from being pierced by the screw tip 3, and the gasket 4 is convenient for the user to righte the self-tapping screw to drill, the self-tapping screw is prevented from being inclined during drilling.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a self tapping screw with safeguard effect, includes screw post (1), its characterized in that: the surface of the screw column (1) is provided with a spiral thread (11), one end of the screw column (1) is provided with a screw head (2), one surface of the screw head (2) is provided with a cross groove (21), the other end of the screw column (1) is provided with a screw tip (3), one end of the screw post (1) is connected with a gasket (4) through a thread (11), one surface of the gasket (4) is provided with a threaded hole (42), the inner wall of the threaded hole (42) is provided with an internal thread matched with the thread ridge (11), one surface of the gasket (4) is fixedly connected with an anti-release sleeve (43), the center of the anti-release sleeve (43) is provided with a sleeve hole (431), the trepanning (431) is concentric and coaxial with the threaded hole (42), and the total depth of the trepanning (431) and the threaded hole (42) is larger than the length of the screw tip (3).
2. A self-tapping screw having a protective effect as claimed in claim 1, wherein: the material of anticreep cover (43) is the same with the material of gasket (4), the shape of anticreep cover (43) is the ring shape, anticreep cover (43) one surface is equipped with annular anticreep groove (434), the cross-sectional shape of anticreep groove (434) is barb form triangle-shaped.
3. A self-tapping screw having a protective effect as claimed in claim 1, wherein: the other surface of the gasket (4) is provided with a clearance groove (41), the clearance groove (41) and the threaded hole (42) are concentric and coaxial, and the clearance groove (41) is horn-shaped.
4. A self-tapping screw having a protective effect as claimed in claim 1, wherein: one side of the anti-falling sleeve (43) is provided with an inclined surface (433), and the inclination angle of the inclined surface (433) is between fifty degrees and sixty degrees.
5. A self-tapping screw having a protective effect as claimed in claim 1, wherein: an arc-shaped end (432) is arranged on one end face of the anti-falling sleeve (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202761.7U CN214837673U (en) | 2021-05-27 | 2021-05-27 | Self-tapping screw with protective effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202761.7U CN214837673U (en) | 2021-05-27 | 2021-05-27 | Self-tapping screw with protective effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837673U true CN214837673U (en) | 2021-11-23 |
Family
ID=78781578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121202761.7U Active CN214837673U (en) | 2021-05-27 | 2021-05-27 | Self-tapping screw with protective effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837673U (en) |
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2021
- 2021-05-27 CN CN202121202761.7U patent/CN214837673U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 335000 shanshiling Industrial Park, Jinjiang Town, Yujiang District, Yingtan City, Jiangxi Province Patentee after: Yingtan Fuzhong Hardware Products (Group) Co.,Ltd. Address before: 335000 shanshiling Industrial Park, Jinjiang Town, Yujiang District, Yingtan City, Jiangxi Province Patentee before: Yingtan Fuzhong hardware products (Group) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |