CN215333874U - Multipurpose screw - Google Patents
Multipurpose screw Download PDFInfo
- Publication number
- CN215333874U CN215333874U CN202120339770.4U CN202120339770U CN215333874U CN 215333874 U CN215333874 U CN 215333874U CN 202120339770 U CN202120339770 U CN 202120339770U CN 215333874 U CN215333874 U CN 215333874U
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- Prior art keywords
- screw
- thread
- self
- tapping
- thread structure
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 54
- 238000005034 decoration Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The utility model relates to the technical field of screws, in particular to a multipurpose screw which comprises a screw rod with a pointed bottom and a rotating seat positioned at the top of the screw rod, wherein a groove for a screwdriver to insert is formed in the surface of the rotating seat, a self-tapping thread structure and a machine-tooth thread structure are sequentially arranged on the screw rod from the tip part to the top, and the thread pitch of the self-tapping thread structure is larger than that of the machine-tooth thread structure. After adopting the technical structure, the utility model has the following advantages: (1) the utility model integrates the functions of the self-tapping screw and the machine thread screw, can fix on the connecting object without auxiliary equipment, and greatly facilitates the fixation of the objects during decoration; (2) when the screw is used on a thin metal plate, the automatic drilling can be realized, the thread pitch of the thread structure of the tail machine tooth is small, the locking effect can be realized, and the screw does not need to be fixed by a nut.
Description
Technical Field
The utility model relates to the technical field of screws, in particular to a multipurpose screw.
Background
The screw is a common decoration material for indoor decoration and is mainly used for positioning and fixing two objects, the screw is divided into a machine thread screw and a self-tapping screw according to the purpose, the machine thread screw needs to be matched with a nut for use, and threads matched with the machine thread screw need to be tapped in advance in the nut; the tapping screw has a function of entering a fixed body by rotating, and both the tapping screw and the fixed body need to be separately used in the market at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problems and provides a multipurpose screw which integrates the functions of a self-tapping screw and a machine-tooth screw, can be fixed on a connecting object without auxiliary equipment and is greatly convenient for fixing objects during decoration.
In order to solve the technical problems, the utility model provides a multipurpose screw, which comprises a screw rod with a pointed bottom and a rotating seat positioned at the top of the screw rod, wherein a groove for a screwdriver to insert is formed in the surface of the rotating seat, a self-tapping thread structure and a machine-tooth thread structure are sequentially arranged on the screw rod from the tip part upwards, and the thread pitch of the self-tapping thread structure is larger than that of the machine-tooth thread structure.
And the distance between the tail end thread line of the self-tapping thread structure and the starting thread line of the machine thread structure is greater than or equal to the thread pitch of the self-tapping thread structure.
And the distance between the tail end thread line of the self-tapping thread structure and the starting thread line of the machine thread structure is smaller than the thread pitch of the self-tapping thread structure.
And a notch structure is arranged at the bottom of the self-tapping thread structure along the axial direction of the screw rod.
The radial section angle of the notch structure ranges from 40 degrees to 90 degrees.
The grooves are arranged as cross grooves.
The groove comprises a transverse groove and a longitudinal groove which are crossed, a first stop block which is in a trapezoid shape is arranged at the rear end of the left side of the transverse groove, and a second stop block which is in a trapezoid shape is arranged on the left side of the front end of the longitudinal groove.
The horizontal height of the first stop block and the second stop block protruding out of the rotating seat is 0.4-0.8 cm.
After adopting the technical structure, the utility model has the following advantages:
(1) the utility model integrates the functions of the self-tapping screw and the machine thread screw, can fix on the connecting object without auxiliary equipment, and greatly facilitates the fixation of the objects during decoration;
(2) when the screw is used on a thin metal plate, the automatic drilling can be realized, the thread pitch of the thread structure of the tail machine tooth is small, the locking effect can be realized, and the screw does not need to be fixed by a nut.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a side view of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
FIG. 4 is a side view of embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of embodiment 3 of the present invention;
FIG. 6 is a side view of embodiment 3 of the present invention;
included in fig. 1 to 6 are: 1-screw rod; 2-rotating the seat; 21-a groove; 3-self tapping thread structure; 4, a machine thread structure; 5-a notch structure; 6-transverse groove; 7-longitudinal groove; 8-first stop; 9-second stop.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, which are an embodiment 1 of the present invention, a multipurpose screw includes a screw rod 1 having a pointed bottom and a rotary base 2 disposed on the top of the screw rod 1, wherein a recess 21 into which a cross screwdriver can be inserted is formed in a surface of the rotary base 2, in this embodiment, the recess 21 is a cross recess into which a screw can be screwed in cooperation with the cross screwdriver, a self-tapping screw structure 3 and a machine-tapping screw structure 4 are sequentially disposed from a tip of the screw rod 1, and a pitch of the self-tapping screw structure 3 is greater than a pitch of the machine-tapping screw structure 4.
The structure integrates the functions of the self-tapping screw and the machine tooth screw, can be fixed on a connecting object without auxiliary equipment, and greatly facilitates the fixation of the objects during decoration.
In the present embodiment, the distance between the end thread of the self-tapping thread structure 3 and the start thread of the machine thread structure 4 is greater than or equal to the pitch of the self-tapping thread structure 3, i.e., a larger distance is provided between the self-tapping thread structure 3 and the machine thread structure 4, at the time of design and manufacture of the screw, for the purpose of shortening the length of the self-tapping thread structure 3 and reducing the manufacturing cost. The screw with the design structure can be used for connecting and fastening structural members with lower hardness, such as wood structures and the like.
Preferably, the bottom of the thread structure 3 of the self-tapping thread is provided with a notch structure 5 at a position upward along the central axis of the screw 1. This notch structure 5's setting can make self tapping tooth thread structure 3 reduce lifting surface area when drilling on the one hand, and the self tapping screw's of being convenient for more bores into, and on the other hand also plays save material's effect, and in practical application, this notch structure 5's radial cross section angle's scope is 40 ~ 90.
Referring to fig. 3 and 4, which are embodiment 2 of the present invention, a multipurpose screw includes a screw rod 1 having a pointed bottom and a rotary base 2 disposed on the top of the screw rod 1, wherein a recess 21 for a cross screwdriver to insert is formed on the surface of the rotary base 2, in this embodiment, the recess 21 is a cross recess for screwing the screw in cooperation with the cross screwdriver, the screw rod 1 is provided with a self-tapping screw structure 3 and a machine-tooth screw structure 4 in sequence from a tip portion to an upper portion, and a pitch of the self-tapping screw structure 3 is greater than a pitch of the machine-tooth screw structure 4.
The structure integrates the functions of the self-tapping screw and the machine tooth screw, can be fixed on a connecting object without auxiliary equipment, and greatly facilitates the fixation of the objects during decoration.
In the present embodiment, the distance between the end thread of the self-tapping thread structure 3 and the start thread of the machine thread structure 4 is greater than or equal to the pitch of the self-tapping thread structure 3, i.e., a larger distance is provided between the self-tapping thread structure 3 and the machine thread structure 4, at the time of design and manufacture of the screw, for the purpose of shortening the length of the self-tapping thread structure 3 and reducing the manufacturing cost. The screw with the design structure can be used for connecting and fastening structural members with lower hardness, such as wood structures and the like.
Preferably, the bottom of the thread structure 3 of the self-tapping thread is provided with a notch structure 5 at a position upward along the central axis of the screw 1. This notch structure 5's setting can make self tapping tooth thread structure 3 reduce lifting surface area when drilling on the one hand, and the self tapping screw's of being convenient for more bores into, and on the other hand also plays save material's effect, and in practical application, this notch structure 5's radial cross section angle's scope is 40 ~ 90.
As a further modification of embodiment 1, the recess 21 includes a cross-shaped transverse groove 6 and a longitudinal groove 7, a first stopper 8 having a trapezoidal shape is provided at the rear left end of the transverse groove 6, and a second stopper 9 having a trapezoidal shape is provided at the left front end of the longitudinal groove 7. The first stop block 8 and the second stop block 9 are convenient for drilling the screw by an electric or manual screwdriver, the acting point between the screwdriver and the screw is larger, and the drilling of the screw is more convenient.
In practical application and manufacturing, the horizontal height of the first stop block 8 and the second stop block 9 protruding out of the rotating seat 2 is 0.4-0.8 cm.
Referring to fig. 5 and 6, which are embodiments 3 of the present invention, a multipurpose screw includes a screw rod 1 having a pointed bottom and a rotary base 2 disposed on the top of the screw rod 1, wherein a recess 21 for a cross screwdriver to insert is formed on the surface of the rotary base 2, in this embodiment, the recess 21 is a cross recess for screwing the screw in the cross screwdriver, the screw rod 1 is provided with a self-tapping screw structure 3 and a machine-tooth screw structure 4 in sequence from a tip portion to an upper portion, and a pitch of the self-tapping screw structure 3 is greater than a pitch of the machine-tooth screw structure 4.
The structure integrates the functions of the self-tapping screw and the machine tooth screw, can be fixed on a connecting object without auxiliary equipment, and greatly facilitates the fixation of the objects during decoration.
In the present embodiment, the distance between the end thread of the self-tapping screw structure 3 and the start thread of the machine thread structure 4 is smaller than the pitch of the self-tapping screw structure 3, that is, the distance between the self-tapping screw structure 3 and the machine thread structure 4 is small, at the time of design and manufacture of the screw, and the screw of this design structure can be used for connection and fastening of a structural member having a large hardness such as a metal structure, and can prevent the screw from slipping when it is screwed in.
Preferably, the bottom of the thread structure 3 of the self-tapping thread is provided with a notch structure 5 at a position upward along the central axis of the screw 1. This notch structure 5's setting can make self tapping tooth thread structure 3 reduce lifting surface area when drilling on the one hand, and the self tapping screw's of being convenient for more bores into, and on the other hand also plays save material's effect, and in practical application, this notch structure 5's radial cross section angle's scope is 40 ~ 90.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multipurpose screw, is the screw rod of point form and is located the seat of rotating at screw rod top including the bottom, it is equipped with the recess that can supply the screwdriver to insert its characterized in that to rotate the seat surface: the screw rod is upwards set gradually from the point portion and is had a self-tapping screw thread structure and a machine tooth screw thread structure, the pitch of self-tapping screw thread structure is greater than machine tooth screw thread structure's pitch.
2. A multi-purpose screw as defined in claim 1, wherein: and the distance between the tail end thread line of the self-tapping thread structure and the starting thread line of the machine thread structure is greater than or equal to the thread pitch of the self-tapping thread structure.
3. A multi-purpose screw as defined in claim 1, wherein: and the distance between the tail end thread line of the self-tapping thread structure and the starting thread line of the machine thread structure is smaller than the thread pitch of the self-tapping thread structure.
4. A multi-purpose screw as defined in claim 1, wherein: and a notch structure is arranged at the bottom of the self-tapping thread structure along the axial direction of the screw rod.
5. The multipurpose screw of claim 4, wherein: the radial section angle of the notch structure ranges from 40 degrees to 90 degrees.
6. A multi-purpose screw as defined in claim 1, wherein: the grooves are arranged as cross grooves.
7. The multipurpose screw of claim 6, wherein: the groove comprises a transverse groove and a longitudinal groove which are crossed, a first stop block which is in a trapezoid shape is arranged at the rear end of the left side of the transverse groove, and a second stop block which is in a trapezoid shape is arranged on the left side of the front end of the longitudinal groove.
8. The multipurpose screw of claim 7, wherein: the horizontal height of the first stop block and the second stop block protruding out of the rotating seat is 0.4-0.8 cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339770.4U CN215333874U (en) | 2021-02-05 | 2021-02-05 | Multipurpose screw |
| PCT/CN2022/083329 WO2022167004A1 (en) | 2021-02-05 | 2022-03-28 | Multi-purpose screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339770.4U CN215333874U (en) | 2021-02-05 | 2021-02-05 | Multipurpose screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333874U true CN215333874U (en) | 2021-12-28 |
Family
ID=79581195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339770.4U Active CN215333874U (en) | 2021-02-05 | 2021-02-05 | Multipurpose screw |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215333874U (en) |
| WO (1) | WO2022167004A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022167004A1 (en) * | 2021-02-05 | 2022-08-11 | 宁波辉禹照明有限公司 | Multi-purpose screw |
| CN116006562A (en) * | 2023-01-09 | 2023-04-25 | 广东卡诺亚家居股份有限公司 | Nail body, expansion nail and panel interval adjustable structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2377265A (en) * | 2001-03-22 | 2003-01-08 | David William Armfield | Valved inlet for water circulation system access |
| TW201033482A (en) * | 2009-03-06 | 2010-09-16 | yong-ming Chen | Quick tapping screw |
| ITNA20090028U1 (en) * | 2009-10-27 | 2011-04-28 | Tecfi S P A | "SCREW FOR CONCRETE WITH DOUBLE THREADING" |
| CN201991900U (en) * | 2010-12-24 | 2011-09-28 | 徐敏飞 | Spiral double-line anchoring screw |
| CN206175430U (en) * | 2016-11-02 | 2017-05-17 | 天津那诺机械制造有限公司 | Cross recess coiled hair is from boring self -tapping screw new construction |
| CN209510863U (en) * | 2018-12-08 | 2019-10-18 | 上海窗固紧固件制造有限公司 | A kind of wood screw |
| CN209654397U (en) * | 2018-12-08 | 2019-11-19 | 上海窗固紧固件制造有限公司 | A kind of Thread-cutting screw |
| CN209943303U (en) * | 2019-04-23 | 2020-01-14 | 杨东佑 | Self-tapping screw with inverted teeth |
| CN215333874U (en) * | 2021-02-05 | 2021-12-28 | 宁波辉禹照明有限公司 | Multipurpose screw |
-
2021
- 2021-02-05 CN CN202120339770.4U patent/CN215333874U/en active Active
-
2022
- 2022-03-28 WO PCT/CN2022/083329 patent/WO2022167004A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022167004A1 (en) * | 2021-02-05 | 2022-08-11 | 宁波辉禹照明有限公司 | Multi-purpose screw |
| CN116006562A (en) * | 2023-01-09 | 2023-04-25 | 广东卡诺亚家居股份有限公司 | Nail body, expansion nail and panel interval adjustable structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022167004A1 (en) | 2022-08-11 |
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