CN207892963U - A kind of two-wire tapping screw - Google Patents
A kind of two-wire tapping screw Download PDFInfo
- Publication number
- CN207892963U CN207892963U CN201820208960.0U CN201820208960U CN207892963U CN 207892963 U CN207892963 U CN 207892963U CN 201820208960 U CN201820208960 U CN 201820208960U CN 207892963 U CN207892963 U CN 207892963U
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- screw
- tapping
- thread
- head
- sword
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Abstract
The utility model discloses a kind of two-wire tapping screws, including two-wire tapping screw, screw rod, main thread, deputy thread, low tapping screw thread, it is provided with the screw rod among the two-wire tapping screw, the main thread is provided with above the screw rod, it is provided with the deputy thread beside the main thread, the screw rod lower end is provided with the low tapping screw thread, screw tip is provided below in the screw rod, the first self tapping sword is provided with above the screw tip, it is provided with the second self tapping sword beside the first self tapping sword, it is provided with third self tapping sword beside the second self tapping sword, it is provided with the 4th self tapping sword beside the third self tapping sword, it is provided with head of screw above the screw rod, metal gasket is provided below in the head of screw.Advantageous effect is：The two-wire tapping screw calibration center ability is strong, and self tapping ability is strong, and the double thread of setting makes screw self-lock ability greatly improve, while being provided with screw protective cap can protect head of screw, service life to improve.
Description
Technical field
The utility model is related to tapping screw Technology design fields, more particularly to a kind of two-wire tapping screw.
Background technology
Tapping screw or fast tooth screw are fast-assembling fastener of the steel through surface Zincing passivation.Tapping screw is chiefly used in
Thin metallic plate（Steel plate, saw plate etc.）Between connection.When connection, thread Pilot hole first made to connected piece, then by self tapping spiral shell
Nail is screwed into the thread Pilot hole of connected piece.Tapping screw hardness is high, and flight pitch is wide, and screw thread is deep, rough, wood screw
Then on the contrary, another difference becomes apparent from, wood screw back segment does not have screw thread.Wood screw thread is thin, and point is blunt and soft.Tapping screw screw thread
It is relatively thick, it is sharp and hard.There is calibration center energy force difference in the tapping screw that people use at present, self-lock ability is poor mostly, self tapping energy
The shortcomings of power is small, is easy offset, and protectiveness is poor.
Invention content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of two-wire tapping screw.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of two-wire tapping screw, including two-wire tapping screw, screw rod, main thread, deputy thread, low tapping screw thread, it is described
It is provided with the screw rod among two-wire tapping screw, the main thread is provided with above the screw rod, is set beside the main thread
It is equipped with the deputy thread, the screw rod lower end is provided with the low tapping screw thread, and screw tip is provided below in the screw rod, described
It is provided with the first self tapping sword above screw tip, the second self tapping sword, the second self tapping sword are provided with beside the first self tapping sword
Side is provided with third self tapping sword, is provided with the 4th self tapping sword beside the third self tapping sword, spiral shell is provided with above the screw rod
Metal gasket is provided below in ailhead, the head of screw, and described metal gasket one end is provided with the first locking teeth, the metal gasket
The piece other end is provided with the second locking teeth, and external screw thread is provided with around the head of screw, tack is provided with above the head of screw
Groove, tack texturearunaperpendicular direction are provided with cross recess, screw head protector, the spiral shell are provided with outside the head of screw
It is provided with internal thread on the inside of nail head protector, handle is provided on the outside of the screw head protector.
In above structure, the two-wire tapping screw is provided with the main thread and the deputy thread, and self-lock ability is strong, institute
It states and is provided with the first self tapping sword, the second self tapping sword, the third self tapping sword, the 4th self tapping above screw tip
Sword, self tapping ability is strong, and the tack groove and the cross are provided with above the head of screw on the two-wire tapping screw
Groove, versatility is stronger, and the screw head protector can protect the head of screw, and the handle keeps the screw anti-
Helmet dismounting is more convenient.
In order to further increase self tapping ability, the main thread appears in the screw rod by the molding mode of lathe process
Surface, the deputy thread appear in the screw surface by the molding mode of lathe process.
In order to further increase self tapping ability, the low tapping screw thread is appeared in described by the molding mode of lathe process
Screw surface, the screw tip are appeared in by the molding mode of lathe process below the screw rod.
In order to further increase self tapping ability, the first self tapping sword is welded with the screw tip, the second self tapping sword
It is welded with the screw tip.
In order to further increase self tapping ability, the third self tapping sword is welded with the screw tip, the 4th self tapping sword
It is welded with the screw tip.
In order to further increase self tapping ability, the head of screw appears in the screw rod by the molding mode of lathe process
Above, the metal washer and the screw rod grafting.
In order to further increase self tapping ability, first locking teeth is welded with the metal washer, and described second is locking
Tooth is welded with the metal washer.
In order to further increase self tapping ability, the external screw thread appears in the screw by the molding mode of lathe process
Head surface, the internal thread are appeared in by way of injection molding on the inside of the screw head protector, the screw head protector with
The head of screw is connected through a screw thread.
In order to further increase self tapping ability, the tack groove appears in the head of screw by stamping forming mode
Above, the cross recess is appeared in by stamping forming mode above the head of screw, and the handle is anti-with the screw
Helmet is connected by viscose glue.
Advantageous effect is：The two-wire tapping screw calibration center ability is strong, and self tapping ability is strong, and the double thread of setting makes
Screw self-lock ability greatly improves, while being provided with screw protective cap can protect head of screw, service life to improve.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of main view schematic diagram of two-wire tapping screw described in the utility model；
Fig. 2 is a kind of the side view figure structure schematic representation of two-wire tapping screw described in the utility model；
Fig. 3 is a kind of vertical view figure structure schematic representation of two-wire tapping screw described in the utility model.
The reference numerals are as follows：
1, two-wire tapping screw；2, screw rod；3, main thread；4, deputy thread；5, low tapping screw thread；6, screw tip；7, first
Self tapping sword；8, the second self tapping sword；9, third self tapping sword；10, the 4th self tapping sword；11, head of screw；12, metal gasket；13, first
Locking teeth；14, the second locking teeth；15, external screw thread；16, internal thread；17, screw head protector；18, tack groove；19, cross is recessed
Slot；20, handle.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1-Figure 3, a kind of two-wire tapping screw, including two-wire tapping screw 1, screw rod 2, main thread 3, deputy thread
4, low tapping screw thread 5, screw rod 2 is provided among two-wire tapping screw 1, and screw rod 2 is provided with main thread 3,3 side of main thread above
It is provided with deputy thread 4, the effect of main thread 3 and deputy thread 4 is enhancing self-lock ability, and 2 lower end of screw rod is provided with low tapping screw thread
5, screw tip 6 is provided below in screw rod 2, and screw tip 6 is provided with the first self tapping sword 7 above, and the effect of the first self tapping sword 7 is enhancing
Self tapping ability, 7 side of the first self tapping sword are provided with the second self tapping sword 8, and 8 side of the second self tapping sword is provided with third self tapping sword 9, the
Three self tapping swords, 9 side is provided with the 4th self tapping sword 10, and screw rod 2 is provided with head of screw 11 above, and gold is provided below in head of screw 11
Belonging to gasket 12,12 one end of metal gasket is provided with the first locking teeth 13, and 12 other end of metal gasket is provided with the second locking teeth 14,
First locking teeth 13 and the second locking teeth 14 play fixed function, are provided with external screw thread 15 around head of screw 11, on head of screw 11
Side is provided with tack groove 18, and 18 vertical direction of tack groove is provided with cross recess 19, tack groove 18 and cross recess 19
Effect be easy for dismounting, the outside of head of screw 11 is provided with screw head protector 17, and screw head protector 17 plays a protective role, screw
17 inside of head protector is provided with internal thread 16, and 17 outside of screw head protector is provided with handle 20.
In above structure, two-wire tapping screw 1 is provided with main thread 3 and deputy thread 4, and self-lock ability is strong, above screw tip 6
It is provided with the first self tapping sword 7, the second self tapping sword 8, third self tapping sword 9, the 4th self tapping sword 10, self tapping ability is strong, two-wire self tapping spiral shell
Head of screw 11 on nail 1 is provided with tack groove 18 and cross recess 19 above, and versatility is stronger, and screw head protector 17 can be with
Head of screw 11 is protected, it is more convenient that handle 20 makes screw head protector 17 dismantle.
In order to further increase self tapping ability, main thread 3 appears in 2 surface of screw rod by the molding mode of lathe process,
Deputy thread 4 appears in 2 surface of screw rod by the molding mode of lathe process, and low tapping screw thread 5 passes through the molding side of lathe process
Formula appears in 2 surface of screw rod, screw tip 6 screw rod 2 appeared in by the molding mode of lathe process in the following, the first self tapping sword 7 with
Screw tip 6 is welded, and the second self tapping sword 8 is welded with screw tip 6, and third self tapping sword 9 is welded with screw tip 6, the 4th self tapping sword 10 with
Screw tip 6 is welded, and head of screw 11 is appeared in by the molding mode of lathe process above screw rod 2, and metal gasket 12 is inserted with screw rod 2
It connects, the first locking teeth 13 is welded with metal gasket 12, and the second locking teeth 14 is welded with metal gasket 12, and external screw thread 15 passes through lathe
The mode of machine-shaping appears in 11 surface of head of screw, and internal thread 16 appears in screw head protector 17 by way of injection molding
Inside, screw head protector 17 are connected through a screw thread with head of screw 11, and tack groove 18 appears in spiral shell by stamping forming mode
Above ailhead 11, cross recess 19 is appeared in by stamping forming mode above head of screw 11, handle 20 and screw head protector
17 are connected by viscose glue.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (9)
1. a kind of two-wire tapping screw, it is characterised in that：Including two-wire tapping screw（1）, screw rod（2）, main thread（3）, secondary spiral shell
Line（4）, low tapping screw thread（5）, the two-wire tapping screw（1）Centre is provided with the screw rod（2）, the screw rod（2）Above
It is provided with the main thread（3）, the main thread（3）Side is provided with the deputy thread（4）, the screw rod（2）Lower end is arranged
There is the low tapping screw thread（5）, the screw rod（2）Screw tip is provided below（6）, the screw tip（6）It is provided with above
One self tapping sword（7）, the first self tapping sword（7）Side is provided with the second self tapping sword（8）, the second self tapping sword（8）Side is set
It is equipped with third self tapping sword（9）, the third self tapping sword（9）Side is provided with the 4th self tapping sword（10）, the screw rod（2）It sets above
It is equipped with head of screw（11）, the head of screw（11）Metal gasket is provided below（12）, the metal gasket（12）One end is arranged
There is the first locking teeth（13）, the metal gasket（12）The other end is provided with the second locking teeth（14）, the head of screw（11）Week
It encloses and is provided with external screw thread（15）, the head of screw（11）Top is provided with tack groove（18）, the tack groove（18）Vertically
Direction is provided with cross recess（19）, the head of screw（11）Outside is provided with screw head protector（17）, the screw head protector
（17）Inside is provided with internal thread（16）, the screw head protector（17）Outside is provided with handle（20）.
2. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The main thread（3）By lathe plus
The molding mode of work appears in the screw rod（2）Surface, the deputy thread（4）Institute is appeared in by the molding mode of lathe process
State screw rod（2）Surface.
3. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The low tapping screw thread（5）Pass through vehicle
The mode of bed machine-shaping appears in the screw rod（2）Surface, the screw tip（6）Occur by the molding mode of lathe process
In the screw rod（2）Below.
4. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The first self tapping sword（7）With it is described
Screw tip（6）Welding, the second self tapping sword（8）With the screw tip（6）Welding.
5. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The third self tapping sword（9）With it is described
Screw tip（6）Welding, the 4th self tapping sword（10）With the screw tip（6）Welding.
6. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The head of screw（11）By lathe plus
The molding mode of work appears in the screw rod（2）Above, the metal gasket（12）With the screw rod（2）Grafting.
7. a kind of two-wire tapping screw according to claim 1, it is characterised in that：First locking teeth（13）With it is described
Metal gasket（12）Welding, second locking teeth（14）With the metal gasket（12）Welding.
8. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The external screw thread（15）By lathe plus
The molding mode of work appears in the head of screw（11）Surface, the internal thread（16）Institute is appeared in by way of injection molding
State screw head protector（17）Inside, the screw head protector（17）With the head of screw（11）It is connected through a screw thread.
9. a kind of two-wire tapping screw according to claim 1, it is characterised in that：The tack groove（18）Pass through punching press
Molding mode appears in the head of screw（11）Above, the cross recess（19）Institute is appeared in by stamping forming mode
State head of screw（11）Above, the handle（20）With the screw head protector（17）It is connected by viscose glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208960.0U CN207892963U (en) | 2018-02-07 | 2018-02-07 | A kind of two-wire tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208960.0U CN207892963U (en) | 2018-02-07 | 2018-02-07 | A kind of two-wire tapping screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892963U true CN207892963U (en) | 2018-09-21 |
Family
ID=63543407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208960.0U Expired - Fee Related CN207892963U (en) | 2018-02-07 | 2018-02-07 | A kind of two-wire tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876931A (en) * | 2022-03-30 | 2022-08-09 | 浙江科腾精工机械股份有限公司 | Anti-loosening high-hardness anti-loosening threaded screw |
-
2018
- 2018-02-07 CN CN201820208960.0U patent/CN207892963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876931A (en) * | 2022-03-30 | 2022-08-09 | 浙江科腾精工机械股份有限公司 | Anti-loosening high-hardness anti-loosening threaded screw |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20210207 |