CN208057644U - Tapping screw - Google Patents
Tapping screw Download PDFInfo
- Publication number
- CN208057644U CN208057644U CN201820213726.7U CN201820213726U CN208057644U CN 208057644 U CN208057644 U CN 208057644U CN 201820213726 U CN201820213726 U CN 201820213726U CN 208057644 U CN208057644 U CN 208057644U
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- CN
- China
- Prior art keywords
- screw
- thread
- tooth
- head
- tapping
- 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.)
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a kind of tapping screws, including head of screw and screw rod, the screw head is provided with handle hole, the screw rod is equipped with external screw thread, several arc grooves are provided on the external screw thread, the external screw thread includes standard thread tooth and corrugated thread tooth, and standard thread tooth and corrugated thread tooth are spaced.The screw check effect is good.
Description
Technical field
The utility model is related to a kind of tapping screws.
Background technology
Screw is industrial necessity indispensable in daily life, industrially also bears important task, common spiral shell
The thread of nail is all standard thread tooth, it is easy to be influenced and be loosened by the motoricity of workpiece itself, retreated and even fall off, to peace
Full band hidden danger.
Utility model content
In view of the shortcomings of the background art, the technical problem to be solved by the utility model is to provide a kind of anti-loosing effects
Good tapping screw.
The utility model adopts the following technical scheme that complete：A kind of tapping screw, including head of screw and screw rod, institute
It states screw head and is provided with handle hole, the screw rod is equipped with external screw thread, several arc grooves are provided on the external screw thread, described
External screw thread includes standard thread tooth and corrugated thread tooth, and standard thread tooth and corrugated thread tooth are spaced.
The arc groove is spirally distributed on the external screw thread of screw rod.
The head of screw bottom is evenly equipped with several locking teeths.
The locking teeth is distributed in fan-shaped.
In the utility model, standard thread tooth and corrugated thread tooth are spaced, by standard thread self tapping, and ripple spiral shell
Tooth is precisely controlled torque, and the locking teeth of head of screw bottom is caught in attachment upper surface, plays good relaxation effect, external screw thread
On arc groove can be in self tapping clast be discharged well, substantially increase the efficiency of assembly.
Description of the drawings
The utility model has following attached drawing：
Fig. 1 is the structural schematic diagram of the tapping screw in utility model；
Fig. 2 is the overlooking structure diagram of the tapping screw in Fig. 1；
Fig. 3 is the present invention looks up structural representation of the tapping screw in Fig. 1.
Specific implementation mode
Attached drawing illustrates the technical solution of the utility model and embodiment, is further described in fact in conjunction with attached drawing below
Apply each related details and its operation principle of example.
Referring to Fig.1, shown in Fig. 2, Fig. 3, a kind of tapping screw provided by the utility model, including head of screw 1 and screw rod 2,
The screw head is provided with handle hole 3, and the screw rod is equipped with external screw thread, several arc grooves 4 are provided on the external screw thread,
Arc groove 4 can be in self tapping clast be discharged well, substantially increase the efficiency of assembly, the external screw thread includes standard
Thread 5 and corrugated thread tooth 6, standard thread tooth 5 and corrugated thread tooth 6 are spaced, by standard thread self tapping, and ripple
Thread is precisely controlled torque, and the arc groove 4 is spirally distributed on the external screw thread of screw rod, and the head of screw bottom is equal
Several locking teeths 7 are furnished with, the locking teeth 7 is distributed in fan-shaped, and the locking teeth of head of screw bottom is caught in attachment upper surface, plays
Good relaxation effect.
Claims (4)
1. a kind of tapping screw, including head of screw and screw rod, the screw head is provided with handle hole, and the screw rod is equipped with outer
Screw thread, it is characterized in that：Several arc grooves are provided on the external screw thread, the external screw thread includes standard thread tooth and corrugated thread
Tooth, standard thread tooth and corrugated thread tooth are spaced.
2. tapping screw according to claim 1, it is characterized in that：The arc groove is spirally distributed in the outer of screw rod
On screw thread.
3. tapping screw according to claim 1 or 2, it is characterized in that：The head of screw bottom is evenly equipped with several locking teeths.
4. tapping screw according to claim 3, it is characterized in that：The locking teeth is distributed in fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820213726.7U CN208057644U (en) | 2018-02-07 | 2018-02-07 | Tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820213726.7U CN208057644U (en) | 2018-02-07 | 2018-02-07 | Tapping screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057644U true CN208057644U (en) | 2018-11-06 |
Family
ID=63994229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820213726.7U Active CN208057644U (en) | 2018-02-07 | 2018-02-07 | Tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057644U (en) |
-
2018
- 2018-02-07 CN CN201820213726.7U patent/CN208057644U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 611, Dingxiang Road, Wenzhou Economic and Technological Development Zone, Zhejiang 325000 Patentee after: Zhejiang Huayuan Automobile Technology Co.,Ltd. Address before: No. 611, Dingxiang Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: ZHEJIANG HUAYUAN AUTOMOBILE PARTS Co.,Ltd. |
|
| CP03 | Change of name, title or address |