CN206694379U - A kind of hexagonal washer Self Drilling Screws - Google Patents
A kind of hexagonal washer Self Drilling Screws Download PDFInfo
- Publication number
- CN206694379U CN206694379U CN201720360945.3U CN201720360945U CN206694379U CN 206694379 U CN206694379 U CN 206694379U CN 201720360945 U CN201720360945 U CN 201720360945U CN 206694379 U CN206694379 U CN 206694379U
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- sloping platform
- annular ring
- groove
- hexagonal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of hexagonal washer Self Drilling Screws, including screw head, screw head is to be provided with hexagonal groove at the top of outer-hexagonal shape and its upper end, the lower end of screw head is provided with boss, the lower end sloping platform of boss, the lower surface of sloping platform is provided with annular ring, sloping platform is shaped as cylinder boss, the lower surface of sloping platform is provided with spiral shell neck, the lower end of spiral shell neck is provided with thread segment, the lower section of thread segment is provided with drilling tail section, the bottommost of drilling tail section is provided with main cutting edge, the top of main cutting edge is provided with the second cutting edge, the top of second cutting edge is provided with the 3rd cutting edge, chip area is designed between main cutting edge and the second cutting edge and the second cutting edge and the 3rd cutting edge, thread segment is provided with screw thread, the periphery of annular ring is provided with annular groove；The utility model can strengthen the sealing of screw, avoid being corroded, and improve the stability of screw work.
Description
Technical field
The utility model belongs to technical field of fastening, more particularly to a kind of hexagonal washer Self Drilling Screws.
Background technology
Screw is the physics and mathematical principle of the inclined-plane circular rotating and frictional force using object, is fastened by easy stages
The instrument of implements parts；Self Drilling Screws is the wood screw that there is self tapping drill head screw front end；Screw is people's production over the past thousands of years
Joint invention in life, from the point of view of application field, it is the first big invention of the mankind；Self Drilling Screws is people in recent years
New invention, also it is self-tapping screw.
Existing Self Drilling Screws also there is it is certain the problem of, it is fashionable in drill screw drill, due to chip removal difference easily produce
Break phenomenon, has certain potential safety hazard, and for Self Drilling Screws in locking, sealing is poor in addition, and the thing such as outside water, dust holds
Easily enter screw connection portion, reduce bonding strength and connection lifetime.
Utility model content
The purpose of this utility model is to provide a kind of hexagonal washer Self Drilling Screws, it is intended at least solves to deposit in the prior art
One of technical problem.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：A kind of hexagonal China
Self Drilling Screws, including screw head are taken charge of, screw head is that hexagonal groove is provided with the top of outer-hexagonal shape and its upper end, and the lower end of screw head is provided with convex
Platform, the lower end of boss are provided with sloping platform, and the lower surface of sloping platform is provided with annular ring, and sloping platform is shaped as cylinder boss, the following table of sloping platform
Face is provided with spiral shell neck, and the lower end of spiral shell neck is provided with thread segment, and the lower section of thread segment is provided with drilling tail section, and the bottommost of drilling tail section is provided with master and cut
Sword is cut, the top of main cutting edge is provided with the second cutting edge, and the top of the second cutting edge is provided with the 3rd cutting edge, main cutting edge and
Chip area is designed between two cutting edges and the second cutting edge and the 3rd cutting edge.
Further, foregoing hexagonal washer Self Drilling Screws, thread segment are provided with screw thread.
Further, foregoing hexagonal washer Self Drilling Screws, annular ring are shaped as annular, the axis and sloping platform of annular ring
Central axis overlap, the lower surface of annular ring is provided with groove and pointed tooth, and the lower surface of groove and pointed tooth along annular ring is uniformly set
Put, the quantity of groove and pointed tooth is all four.
Further, foregoing hexagonal washer Self Drilling Screws, the periphery of annular ring are provided with annular groove, are provided with annular groove
Water-swellable waterstop.
Further, foregoing hexagonal washer Self Drilling Screws, screw head, boss, sloping platform, annular ring, spiral shell neck, thread segment and drilling tail
Section is all formed in one manufacture.
The utility model has the advantages and positive effects of：The utility model employs the structure of sloping platform, the structure energy
Contact area between enough increases and connector, prevents dust and water from entering thread segment to a certain extent；Employ annular ring
Structure, groove and pointed tooth on annular ring can when screw proceeds to certain distance towards the direction of drilling tail section, pointed tooth and
Groove can drill out an annular groove while connector is oppressed on connector, and annular ring is in the groove of annular, outside
The dust and water on boundary want just to must first go through the groove of annular into thread segment and then moved downward again from spiral shell cervical part of esophagus, greatly increase
Screw is added for dust and the defensive ability/resistance ability of water；Water-swellable waterstop is employed, the characteristic of water-swellable adds sealing
Property；The structure of three main cutting edge, the second cutting edge and the 3rd cutting edge cutting edges as drilling is employed, when a cutting edge
When running into failure, other cutting edges can also normal work.
Brief description of the drawings
Fig. 1 is the structural representation front view of the hexagonal washer Self Drilling Screws designed by the utility model；
In figure：1- screw heads；2- boss；3- sloping platforms；3A- spiral shell necks；4- chip areas；The cutting edges of 5- the 3rd；The cutting edges of 6- second；
7- main cutting edges；8- drilling tail sections；9- screw threads；10- thread segments；11- annular rings；12- grooves；13- water-swellable waterstops；14-
Pointed tooth.
Embodiment
The structure of the utility model hexagonal washer Self Drilling Screws is explained in detail with reference to Fig. 1.The utility model
Including screw head 1, screw head 1 is to be provided with hexagonal groove at the top of outer-hexagonal shape and its upper end（Not shown in figure）, the lower end of screw head 1 is provided with
Boss 2, the lower end of boss 2 are provided with sloping platform 3, and the lower surface of sloping platform 3 is provided with annular ring 11, and sloping platform 3 is shaped as cylinder boss 2,
The lower surface of sloping platform 3 is provided with spiral shell neck 3A, and spiral shell neck 3A lower end is provided with thread segment 10, and the lower section of thread segment 10 is provided with drilling tail section 8, bores
The bottommost of endpiece 8 is provided with main cutting edge 7, and the top of main cutting edge 7 is provided with the second cutting edge 6, and the top of the second cutting edge 6 is set
There is the 3rd cutting edge 5, all set between the cutting edge 6 of main cutting edge 7 and second and between the second cutting edge 6 and the 3rd cutting edge 5
There is chip area 4.
Thread segment 10 is provided with screw thread 9.Annular ring 11 is shaped as annular, the axis of annular ring 11 with sloping platform 3
Mandrel line overlaps, and the lower surface of annular ring 11 is provided with groove 12 and pointed tooth 14, the lower end of groove 12 and pointed tooth 14 along annular ring 11
Face is uniformly arranged, and the quantity of groove 12 and pointed tooth 14 is all four；The periphery of annular ring 11 is provided with annular groove（Do not show in figure
Go out）, water-swellable waterstop 13 is provided with annular groove；Screw head 1, boss 2, sloping platform 3, annular ring 11, spiral shell neck 3A, the and of thread segment 10
Drilling tail section 8 is all formed in one manufacture.
Operation principle：When using the utility model, rotated among connector, main cutting edge 7 first works, so
The second cutting edge 6 and the 3rd cutting edge 5 are used for expanding the drilling of main cutting edge 7, after screw proceeds to certain distance, pointed tooth afterwards
14 start from connector contact, and pointed tooth 14 drills out an annular groove on connector, and annular ring 11 enters in annular groove, extraneous
Dust and water want just to must first go through the groove of annular into thread segment 10 and then moved downward again from spiral shell neck 3A sections, water-swellable
Waterstop 13 expands after water is run into, and can increase the sealing of screw.
It the above is only to preferred embodiment of the present utility model, not make any formal limit to the utility model
System, it is every according to the technical essence of the utility model to any simple modification made for any of the above embodiments, equivalent variations and modification,
Belong in the range of technical solutions of the utility model.
Claims (5)
1. a kind of hexagonal washer Self Drilling Screws, including screw head（1）, it is characterised in that：The screw head（1）For outer-hexagonal shape and thereon
End top is provided with hexagonal groove（12）, the screw head（1）Lower end be provided with boss（2）, the boss（2）Lower end be provided with sloping platform
（3）, the sloping platform（3）Lower surface be provided with annular ring（11）, the sloping platform（3）Be shaped as cylinder boss（2）, the sloping platform
（3）Lower surface be provided with spiral shell neck（3A）, the spiral shell neck（3A）Lower end be provided with thread segment（10）, the thread segment（10）Lower section
Provided with drilling tail section（8）, the drilling tail section（8）Bottommost be provided with main cutting edge（7）, the main cutting edge（7）Top be provided with
Second cutting edge（6）, second cutting edge（6）Top be provided with the 3rd cutting edge（5）, the main cutting edge（7）With second
Cutting edge（6）Between and the second cutting edge（6）With the 3rd cutting edge（5）Between be designed with chip area（4）.
A kind of 2. hexagonal washer Self Drilling Screws according to claim 1, it is characterised in that：The thread segment（10）It is provided with
Screw thread（9）.
A kind of 3. hexagonal washer Self Drilling Screws according to claim 1, it is characterised in that：Annular ring（11）Shape
For annular, annular ring（11）Axis and the sloping platform（3）Central axis overlap, annular ring（11）Lower end
Face is provided with groove（12）And pointed tooth（14）, the groove（12）And pointed tooth（14）Along annular ring（11）Lower surface be uniformly arranged,
The groove（12）And pointed tooth（14）Quantity be all four.
A kind of 4. hexagonal washer Self Drilling Screws according to claim 3, it is characterised in that：Annular ring（11）It is cylindrical
Face is provided with annular groove, and water-swellable waterstop is provided with the annular groove（13）.
A kind of 5. hexagonal washer Self Drilling Screws according to claim 1, it is characterised in that：The screw head（1）, boss（2）、
Sloping platform（3）, annular ring（11）, spiral shell neck（3A）, thread segment（10）With drilling tail section（8）All be formed in one manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360945.3U CN206694379U (en) | 2017-04-07 | 2017-04-07 | A kind of hexagonal washer Self Drilling Screws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360945.3U CN206694379U (en) | 2017-04-07 | 2017-04-07 | A kind of hexagonal washer Self Drilling Screws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694379U true CN206694379U (en) | 2017-12-01 |
Family
ID=60441593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360945.3U Expired - Fee Related CN206694379U (en) | 2017-04-07 | 2017-04-07 | A kind of hexagonal washer Self Drilling Screws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694379U (en) |
-
2017
- 2017-04-07 CN CN201720360945.3U patent/CN206694379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |