CN208858721U - It is a kind of that stable self-tapping screw is installed - Google Patents
It is a kind of that stable self-tapping screw is installed Download PDFInfo
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- CN208858721U CN208858721U CN201820983872.8U CN201820983872U CN208858721U CN 208858721 U CN208858721 U CN 208858721U CN 201820983872 U CN201820983872 U CN 201820983872U CN 208858721 U CN208858721 U CN 208858721U
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- screw
- screw rod
- nut
- flight
- tapping screw
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Abstract
Stable self-tapping screw is installed the utility model discloses a kind of, it is related to screw technical field, including screw rod and the nut for being placed in one end, screw rod side spiral is provided with screw thread, screw thread includes the front face of night and rear face of flight being bonded to each other, and screw rod is provided with taper platform far from one end of nut；Front face of night is obliquely installed towards taper platform and with the outer wall of screw rod, and rear face of flight is arranged towards nut and with the outer wall vertical of screw rod.Taper platform is directed at mounting hole, and in screw rod rotation process, screws spiral is embedded in inner wall of the hole installing, and inner wall of the hole installing forms screw channel under the cutting of screw thread.In rotation process, front face of night protrudes into mounting hole convenient for screw rod, more laborsaving, and rear face of flight and screw channel are clamped, it is therefore prevented that self-tapping screw reverse slide keeps it more stable, will not loosen, and the stability and safety used is higher, easy to carry and transport.
Description
Technical field
The utility model relates to screw technical fields, more specifically, it relates to which a kind of install stable self-tapping screw.
Background technique
The production of existing various screw in existing market, mostly metal material, extends into cone cell by screw head, by screw head end
Or rod-shaped shaft and spiral forming is constituted in structures such as the threaded sections on shaft surface.Wherein, self-tapping screw can directly pacify
Drilling or spiral are goed deep into the mounting hole of mounting plate surface programming in loading board, rotation process of the inner wall of the hole installing in self-tapping screw
Middle formation screw channel, entrance is so that tapping screw thread is fixed, but self-tapping screw is easy occur whole pine because of vibration after being used for a long time
De- phenomenon causes the stability of connection to reduce.
In view of the above-mentioned problems, patent announcement number is the Chinese patent of CN205605597U, a kind of New self-tapping spiral shell is proposed
Silk specifically includes that screw head, screw rod, tail point and washer, screw rod are connected to screw head bottom, and screw rod bottom is equipped with tail point, screw rod periphery
Equipped with upper screw thread and lower screw thread, screw head is equipped with the countersunk head slot of cooperation screwdriver, and screw head and screw rod junction are equipped with circular strong
Change piece, strengthen piece in the junction of screw rod and be equipped with several reinforcing muscle, screw self-strength can be promoted, be equipped with and reinforcing on the inside of washer
The bar groove that muscle matches, strengthening muscle can agree in bar groove, and screw head is the regular hexagonal prism for cooperating spanner to use, and countersunk head slot is cross
Type.
Increased in above-mentioned patent by increasing the stability that washer installs self-tapping screw, but installing operation will become
It is also inconvenient to carry after complexity, especially part are more, simultaneously because the density of upper screw thread and lower screw thread is different, this is easy to cause
In drilling, screw channel lacks fixed shape, thus screw channel is difficult to effectively support self-tapping screw, is more easier to loosen instead, no
It is enough to stablize.
Utility model content
Aiming at the problem that being not sufficiently stable after the installation of self-tapping screw in the prior art, the utility model provides a kind of installation stabilization
Self-tapping screw, have the advantages that install convenient, stability are high, anti-loosening.
To achieve the above object, the utility model provides following technical solution:
It is a kind of that stable self-tapping screw is installed, including screw rod and the nut for being placed in one end, screw rod side spiral shell
Rotation is provided with screw thread, and the screw thread includes the front face of night and rear face of flight being bonded to each other, the screw rod far from the nut one
End is provided with taper platform；
The front face of night is obliquely installed towards the taper platform and with the outer wall of the screw rod, and the rear face of flight is towards institute
It states nut and is arranged with the outer wall vertical of the screw rod.
Through the above technical solutions, taper platform is directed at mounting hole, in screw rod rotation process, screws spiral is embedded in mounting hole
Inner wall, inner wall of the hole installing form screw channel under the cutting of screw thread.In rotation process, front face of night protrudes into mounting hole convenient for screw rod
It is interior, it is more laborsaving, and rear face of flight and screw channel are clamped, it is therefore prevented that self-tapping screw reverse slide keeps it more stable, will not loosen,
The stability and safety used is higher, easy to carry and transport.
Further, the side of the nut is provided with convex edge, and the nut is offered far from one end of the screw rod
Hexagon hole.
Through the above technical solutions, convex edge makes the compression area between nut and mounting plate bigger, keep it more stable,
Hexagon hole rotates self-tapping screw convenient for user.
Further, the side of the rear face of flight towards the nut is provided with multiple salient points, and the salient point is along described
The direction rotary setting of rear face of flight.
Through the above technical solutions, salient point will be connected in the screw channel of mounting hole, effectively when self-tapping screw reverse movement
Rotating backward for self-tapping screw is prevented, so that more stable after self-tapping screw installation.
Further, the side of the nut towards the screw rod is provided with multiple raised lines, and the raised line is directed to institute
It states at the center of nut.
Through the above technical solutions, raised line increases the roughness of nut surface, the process for being bonded nut with mounting plate
In it is more stable, will not loosen.
Further, the taper platform is provided with positioning table, the side of the taper platform far from one end of the screw rod
Offer multiple air slots.
Through the above technical solutions, positioning table is directed at the smaller mounting hole that is open, while air slot for leadscrew bar
For the gas inside mounting hole to be discharged.
Further, each side wall of the Hexagon hole is provided with arc bump.
Through the above technical solutions, the arc bump in Hexagon hole makes that the tool of cap rotation can be driven more, behaviour
It is more convenient to make.
Further, reinforcing rib, the setting wave-shaped of the outer surface of the reinforcing rib are coaxially embedded in the screw rod.
Through the above technical solutions, reinforcing rib increases the structural strength of self-tapping screw entirety, while passing through wave
Outer surface is arranged so that it is more stable with merging for screw rod.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) in installation process, the front face of night of self-tapping screw protrudes into mounting hole convenient for screw rod, installs more laborsaving, behaviour
Make convenient simple；
(2) in use process, the rear face of flight and screw channel of self-tapping screw are clamped, while cooperating salient point and raised line, it is therefore prevented that from
Tapping reverse slide, installation is more stable, will not loosen, safety is higher.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram one for installing stable self-tapping screw；
Fig. 2 is a kind of overall structure diagram two for installing stable self-tapping screw；
Fig. 3 is the cross-sectional view of the line A-A along Fig. 2；
Fig. 4 is the portion B partial enlarged view in Fig. 3.
Appended drawing reference: 1, screw rod；2, nut；3, screw thread；4, front face of night；5, rear face of flight；6, taper platform；7, convex edge；8,
Hexagon hole；9, salient point；10, raised line；11, positioning table；12, air slot；13, arc bump；14, reinforcing rib.
Specific embodiment
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, below with reference to embodiment and attached
The utility model is described in further detail for figure, but the embodiments of the present invention is not limited only to this.
It is a kind of that stable self-tapping screw is installed, as shown in Figure 1 and Figure 4, including screw rod 1, screw rod 1, which is embedded in, to be fixed with
Reinforcing rib 14, screw rod 1 and the coaxial one of reinforcing rib 14 are fixed, the setting wave-shaped of the outer surface of reinforcing rib 14.Pass through reinforcement
Muscle 14 increases the structural strength of self-tapping screw entirety, and wavy outer surface is arranged so that reinforcing rib 14 and screw rod 1
It merges more stable.
As shown in Fig. 2, one end of screw rod 1 is coaxially fixed with nut 2, nut 2 is in hemisphere, and the side of nut 2 is fixed
There is cricoid convex edge 7, nut 2 offers Hexagon hole 8 far from one end of screw rod 1.When self-tapping screw is installed, convex edge 7 makes
Compression area between nut 2 and mounting plate is bigger, keeps it more stable, and Hexagon hole 8 rotates self-tapping screw convenient for user.
Each side wall of Hexagon hole 8 is respectively and fixedly provided with arc bump 13.Make the tool that nut 2 can be driven to rotate by arc bump 13
More, it is more convenient to operate.
As shown in Figure 1, the side of nut 2 towards screw rod 1 is fixed with multiple raised lines 10, raised line 10 is directed to nut 2
Interval angles are equal at center, between raised line 10 and radial setting.The roughness on 2 surface of nut can be increased by raised line 10,
It is more stable during being bonded nut 2 with mounting plate, it will not loosen.
As shown in Figure 3 and Figure 4,1 side spiral of screw rod is fixed with screw thread 3, with hanging down for screw thread 3 and 1 axis of screw rod
Straight distance increases, and the thickness of screw thread 3 is gradually reduced.Screw thread 3 includes the front face of night 4 and rear face of flight 5 being bonded to each other, and front face of night 4 is carried on the back
It is obliquely installed from 2 side of nut and with the outer wall of screw rod 1, rear face of flight 5 hangs down towards 2 side of nut and with the outer wall of screw rod 1
Straight setting.Front face of night 4 protrudes into mounting hole convenient for screw rod 1, more laborsaving, and the screw channel of rear face of flight 5 and mounting hole is clamped, and prevents
Self-tapping screw reverse slide is stopped, has kept it more stable, will not loosen.
As shown in Figure 2 and Figure 4, the side of rear face of flight 5 towards nut 2 is fixed with multiple salient points 9, and salient point 9 is along rear face of flight 5
Centerline direction rotary setting.When self-tapping screw reverse movement, salient point 9 will be connected in the screw channel of mounting hole, effectively anti-
Rotating backward for self-tapping screw is stopped, so that more stable after self-tapping screw installation.
As shown in Figure 1, the one end of screw rod 1 far from nut 2 is coaxially fixed with taper platform 6, taper platform 6 is far from screw rod 1
One end be coaxially fixed with positioning table 11, the side of taper platform 6 offers multiple air slots 12, air slot 12 be preferably four and
Rotational symmetry is arranged.It can be used for the smaller mounting hole of the alignment opening of leadscrew bar 1 by positioning table 11, while air slot 12 is used
Gas inside discharge mounting hole.
The working principle and beneficial effect of the utility model is as follows:
Self-tapping screw face installs the mounting hole of plate surface, and positioning table 11 is directed at mounting hole, is rotated by allen wrench
Nut 2, the rotation of screw rod 1 are protruded into mounting hole, and screws spiral is embedded in inner wall of the hole installing at this time, and inner wall of the hole installing is in screw thread 3
Screw channel is formed under cutting, until nut 2 is pressed on installation hole surface.
In self-tapping screw installation process, front face of night 4 protrudes into mounting hole convenient for screw rod 1, and installation is more laborsaving, and operation is just
It is prompt simple.After self-tapping screw is installed in place, rear face of flight 5 and screw channel are clamped, while cooperating salient point 9, it is therefore prevented that self-tapping screw is reversed
Sliding, installation is more stable, will not loosen.The utility model effectively increases the stability and safety that self-tapping screw uses,
It is easy to carry and transport simultaneously.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of install stable self-tapping screw, including screw rod (1) and it is placed in the nut (2) of one end, which is characterized in that institute
It states screw rod (1) side spiral to be provided with screw thread (3), the screw thread (3) includes the front face of night (4) and rear face of flight being bonded to each other
(5), the screw rod (1) is provided with taper platform (6) far from the one end of the nut (2)；
The front face of night (4) is obliquely installed towards the taper platform (6) and with the outer wall of the screw rod (1), the rear face of flight
(5) it is arranged towards the nut (2) and with the outer wall vertical of the screw rod (1).
2. the stable self-tapping screw of installation according to claim 1, which is characterized in that the side of the nut (2) is arranged
Have convex edge (7), the nut (2) offers Hexagon hole (8) far from the one end of the screw rod (1).
3. the stable self-tapping screw of installation according to claim 2, which is characterized in that the rear face of flight (5) is described in
The side of nut (2) is provided with multiple salient points (9), the salient point (9) along the rear face of flight (5) direction rotary setting.
4. the stable self-tapping screw of installation according to claim 3, which is characterized in that the nut (2) is towards the spiral shell
The side of screw rod (1) is provided with multiple raised lines (10), and the raised line (10) is directed at the center of the nut (2).
5. the stable self-tapping screw of installation according to claim 1, which is characterized in that the taper platform (6) is far from described
One end of screw rod (1) is provided with positioning table (11), and the side of the taper platform (6) offers multiple air slots (12).
6. the stable self-tapping screw of installation according to claim 2, which is characterized in that each of described Hexagon hole (8)
Side wall is provided with arc bump (13).
7. the stable self-tapping screw of installation according to claim 1, which is characterized in that coaxial embedding in the screw rod (1)
Equipped with reinforcing rib (14), the outer surface setting wave-shaped of the reinforcing rib (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983872.8U CN208858721U (en) | 2018-06-23 | 2018-06-23 | It is a kind of that stable self-tapping screw is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983872.8U CN208858721U (en) | 2018-06-23 | 2018-06-23 | It is a kind of that stable self-tapping screw is installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858721U true CN208858721U (en) | 2019-05-14 |
Family
ID=66412102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820983872.8U Expired - Fee Related CN208858721U (en) | 2018-06-23 | 2018-06-23 | It is a kind of that stable self-tapping screw is installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552467A (en) * | 2019-09-17 | 2019-12-10 | 上海市建筑科学研究院 | Method for improving stress performance of flat wooden bracket by self-tapping screw |
| CN110948990A (en) * | 2019-11-26 | 2020-04-03 | 嘉兴百郎新材料科技有限公司 | Bamboo-wood carbon plate and preparation method thereof |
-
2018
- 2018-06-23 CN CN201820983872.8U patent/CN208858721U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552467A (en) * | 2019-09-17 | 2019-12-10 | 上海市建筑科学研究院 | Method for improving stress performance of flat wooden bracket by self-tapping screw |
| CN110948990A (en) * | 2019-11-26 | 2020-04-03 | 嘉兴百郎新材料科技有限公司 | Bamboo-wood carbon plate and preparation method thereof |
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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: 20190514 Termination date: 20210623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |