CN217207221U - Self-tapping drill bit - Google Patents
Self-tapping drill bit Download PDFInfo
- Publication number
- CN217207221U CN217207221U CN202220443156.7U CN202220443156U CN217207221U CN 217207221 U CN217207221 U CN 217207221U CN 202220443156 U CN202220443156 U CN 202220443156U CN 217207221 U CN217207221 U CN 217207221U
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- self
- tapping screw
- tapping
- drill
- self tapping
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Abstract
The utility model relates to a drill bit, especially a self tapping drill bit, including the drilling rod, be equipped with self tapping screw thread and chip groove on the drilling rod, self tapping screw thread is located the one end of drilling rod, and the toper setting, the chip groove is located self tapping screw thread's top, and with self tapping screw thread's thread groove communicates with each other, the chip groove is the helicla flute, just be equipped with the blade on the chip groove. The utility model provides a pair of self tapping drill can drill to article, makes things convenient for self tapping screw's installation, makes self tapping screw can not the spalling article simultaneously, convenient to use, simple structure.
Description
Technical Field
The utility model relates to a drill bit, especially a self tapping drill bit.
Background
The self-tapping screw can automatically extrude into wood, plastic and other objects to realize fixation or connection, but when the self-tapping screw is long, the automatic screw easily causes the fixed object to generate the condition of expansion crack, so how to solve the expansion crack is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can drill to article to a self-tapping drill that article are difficult for the expansion crack when making the installation of long self-tapping screw, concrete technical scheme is:
the utility model provides a self-tapping drill bit, includes the drilling rod, be equipped with self-tapping screw thread and chip groove on the drilling rod, self-tapping screw thread is located the one end of drilling rod, and the toper setting, the chip groove is located self-tapping screw thread's top, and with self-tapping screw thread groove communicates with each other, the chip groove is the helicla flute, just be equipped with the blade on the chip groove.
Preferably, the drill rod further comprises a handle, and the handle is arranged at the other end of the drill rod.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a pair of self tapping drill can drill to article, makes things convenient for self tapping screw's installation, makes self tapping screw can not the spalling article simultaneously, convenient to use, simple structure.
Drawings
Fig. 1 is a schematic structural view of a self-tapping drill.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1, the self-tapping drill bit comprises a drill rod 1, wherein a self-tapping thread 2 and a chip removal groove 3 are arranged on the drill rod 1, the self-tapping thread 2 is located at one end of the drill rod 1 and is arranged in a conical manner, the chip removal groove 3 is located above the self-tapping thread 2 and is communicated with a thread groove of the self-tapping thread 2, the chip removal groove 3 is a spiral groove, and a cutting edge 4 is arranged on the chip removal groove 3.
The self-tapping thread 2 is used for drilling articles and driving a drill bit to go deep, the self-tapping thread 2 is conical, the drill rod 1 is cylindrical, the diameter of the drill rod 1 is larger than that of the self-tapping thread 2, the chip discharge groove 3 is used for reaming, a hole is cut through the cutting edge 4 during reaming, meanwhile, the chips formed by reaming are discharged through the spiral chip discharge groove 3, a mounting hole for the long self-tapping screw is obtained, and the drill bit is retreated after drilling is completed and then the self-tapping screw is installed.
Compared with the common drill for drilling, the self-tapping drill provided by the embodiment can compact the materials around the hole, and can improve the reliability of the self-tapping screw after being installed for the wood with small sealing. Because the ordinary drill obtains the hole by cutting, the surrounding material of the hole is loose, and the phenomenon of thread slipping is easy to occur after the tapping screw is installed, so that the tapping screw cannot be reliably fixed on the wood.
A self-tapping drill bit can be mounted on a pistol drill or an electric screwdriver.
Example two
On the basis of the first embodiment, as shown in fig. 1, the drill rod further comprises a handle 5, and the handle 5 is arranged at the other end of the drill rod 1. The handle 5 facilitates manual drilling.
The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (2)
1. The utility model provides a self-tapping drill, its characterized in that includes drilling rod (1), be equipped with self-tapping screw (2) and chip groove (3) on drilling rod (1), self-tapping screw (2) are located the one end of drilling rod (1), and the toper sets up, chip groove (3) are located the top of self-tapping screw (2), and with the thread groove of self-tapping screw (2) communicates with each other, chip groove (3) are the helicla flute, just be equipped with blade (4) on chip groove (3).
2. A self-tapping drill bit according to claim 1, further comprising a handle (5), said handle (5) being arranged at the other end of said drill rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220443156.7U CN217207221U (en) | 2022-03-01 | 2022-03-01 | Self-tapping drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220443156.7U CN217207221U (en) | 2022-03-01 | 2022-03-01 | Self-tapping drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217207221U true CN217207221U (en) | 2022-08-16 |
Family
ID=82753200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220443156.7U Active CN217207221U (en) | 2022-03-01 | 2022-03-01 | Self-tapping drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217207221U (en) |
-
2022
- 2022-03-01 CN CN202220443156.7U patent/CN217207221U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |