CN213145042U - High-strength flat-head self-tapping screw - Google Patents
High-strength flat-head self-tapping screw Download PDFInfo
- Publication number
- CN213145042U CN213145042U CN202022022159.7U CN202022022159U CN213145042U CN 213145042 U CN213145042 U CN 213145042U CN 202022022159 U CN202022022159 U CN 202022022159U CN 213145042 U CN213145042 U CN 213145042U
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- China
- Prior art keywords
- screw
- head
- flat
- die cavity
- hollow column
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- Expired - Fee Related
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 31
- 241000755266 Kathetostoma giganteum Species 0.000 title claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 239000004411 aluminium Substances 0.000 claims abstract description 12
- 238000005728 strengthening Methods 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a flat self tapping screw of high strength, include: the screw comprises a screw body, wherein the screw body is made of plastic and comprises a screw head and a screw rod which are connected, a threaded part is arranged on the screw rod, the cross section of the screw head is circular, the end surface of the screw head is flat, an inner hexagonal groove matched with an inner hexagonal screw is arranged on the upper surface of the screw head, and a cross-shaped groove is sleeved in the inner hexagonal groove; the utility model discloses a screw rod, including screw rod, screw head, hollow column die cavity, strengthening rib, aluminium honeycomb core and hollow column die cavity formula structure as an organic whole, the inside of screw rod is provided with hollow column die cavity, the lower surface of screw head is provided with the strengthening rib of "T" style of calligraphy of falling, inserting of strengthening rib is located hollow column die cavity and both ends offset with two inboards of hollow column die cavity, hollow column die cavity intussuseption is filled with aluminium honeycomb core, aluminium. This practical high strength flat head self tapping screw, intensity is big, and the incorruptibility is high, and a screw can correspond multiple dismantlement screwdriver, and convenient to use effectively improves work efficiency.
Description
Technical Field
The utility model relates to a hardware products's technical field especially relates to a flat self tapping screw of high strength.
Background
The existing screw is generally in a straight shape and a cross shape, the linear screw is short in service life, low in screw strength and low in precision, and during operation, the type of the usable screwdriver is single, so that the use of an operator is inconvenient, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a flat head self tapping screw of high strength, and intensity is big, and the incorruptibility is high, and a screw can correspond multiple dismantlement screwdriver, and convenient to use can effectively improve work efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme be: a high strength flat head self-tapping screw comprising: the screw comprises a screw body, wherein the screw body is made of plastic materials and comprises a screw head and a screw rod which are connected, a threaded part is arranged on the screw rod, the cross section of the screw head is circular, the end surface of the screw head is flat, an inner hexagonal groove matched with an inner hexagonal screw is arranged on the upper surface of the screw head, and a cross-shaped groove is sleeved in the inner hexagonal groove; the utility model discloses a screw rod, including screw rod, screw head, hollow column die cavity, strengthening rib, aluminium honeycomb core and hollow column die cavity formula structure as an organic whole, the inside of screw rod is provided with hollow column die cavity, the lower surface of screw head is provided with the strengthening rib of "T" style of calligraphy of falling, inserting of strengthening rib is located hollow column die cavity and both ends offset with two inboards of hollow column die cavity, hollow column die cavity intussuseption is filled with aluminium honeycomb core, aluminium.
In a preferred embodiment of the present invention, the diameter of the screw head is larger than the diameter of the screw rod, and the screw head and the screw rod are coaxially disposed.
In a preferred embodiment of the present invention, the hexagonal socket and the cross-shaped socket are coaxially disposed.
In a preferred embodiment of the present invention, the screw head is fixed to the screw rod by gluing.
In a preferred embodiment of the present invention, the screw head is connected to the screw thread.
In a preferred embodiment of the present invention, the hollow column cavity extends to a position close to the bottom of the screw rod along the axial direction of the screw rod, and the width of the hollow column cavity is 1/5-1/4 of the width of the screw rod.
In a preferred embodiment of the present invention, the hollow column cavity and the screw head are coaxially disposed.
In a preferred embodiment of the present invention, the threaded portion is coated with a wear-resistant coating layer, and the wear-resistant coating layer is disposed around the coating layer along a circumferential direction of the threaded portion.
In a preferred embodiment of the present invention, the wear-resistant coating is disposed along an axial symmetry distribution of the threaded portion.
In a preferred embodiment of the present invention, a magnet is disposed inside the screw head.
The utility model has the advantages that: the utility model has the advantages that the strength is high, the durability is high, the surface of the screw head is provided with the inner hexagonal groove and the cross-shaped groove, the screw head can be adapted to various screwdrivers, one screw can correspond to various detachable screwdrivers, the use is convenient, and the working efficiency can be effectively improved; the arrangement of the reinforcing ribs in the hollow cylindrical cavity and the aluminum honeycomb core can improve the strength of the screw body; the wear-resistant coating is coated on the thread part, the thread body is protected, the durability and the practicability of the self-tapping screw are improved, and the self-tapping screw is easy to popularize.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a high-strength flat-head self-tapping screw according to the present invention;
fig. 2 is an end view of the high-strength flat-head self-tapping screw of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a high-strength flat-head self-tapping screw, comprising: screw body 1, the screw body is the plastics material, and the dead weight is light, low in manufacturing cost, the screw body is including the screw head 2 and the screw rod 3 that are connected, be provided with screw thread portion 4 on the screw rod, the cross-section of screw head is circular, and the terminal surface of screw head is flat, the upper surface of screw head is provided with the hexagon socket head cap recess 5 with hexagon socket head cap screw matched with, the inside cover of hexagon socket cap recess is equipped with "ten" font recess 6, hexagon socket cap recess with "ten" font recess sets up for the same axle center, and is concrete, and hexagon socket head cap recess can set up at least two rings to the use of the hexagonal screwdriver of the different specifications of adaptation, this self tapping screw also can use a style of calligraphy or cross screwdriver to dismantle the installation operation, and the adaptation degree is high, and a screw can correspond multiple dismantlement screwdriver, and convenient to use can effectively improve work.
Specifically, the inside of screw rod is provided with hollow column die cavity 7, has the strengthening rib 8 of falling "T" style of calligraphy at the lower surface integrated into one piece of screw head, inserting of strengthening rib locates hollow column die cavity and both ends and two inboard looks butt with hollow column die cavity, and regional packing in all hollow column die cavities of below of strengthening rib has aluminium honeycomb core 9, aluminium honeycomb core and hollow column die cavity integral type set up, and aluminium honeycomb core can practice thrift the manufacturing material, and its not only light in weight, and intensity is big moreover, makes the structure of screw body more firm.
Specifically, the diameter of screw head is greater than the diameter of screw rod, and screw head and screw rod are coaxial setting, the screw head is fixed with the screw rod veneer or screw head and screw rod threaded connection, can set up the external screw thread on the top of screw rod during threaded connection, sets up the internal thread with external screw thread matched with at the lower surface of screw head, and both screw up and connect, dismantle the convenience.
Specifically, hollow post die cavity extends to the bottom that is close to the screw rod along the axis direction of screw rod, the width of hollow post die cavity does 1/5~1/4 of screw rod width, hollow post die cavity with the screw head is coaxial setting for the structure of whole screw body is more stable.
The utility model discloses a self-tapping screw, including screw portion, wear-resisting coating, coating sets up or sets up along the axial symmetric distribution of screw portion, and the screw portion can often take place the friction with the object during the use, and wear-resisting coating's setting can play the guard action to the screw body, improves self-tapping screw's durability.
Specifically, the inside of screw head is provided with magnet, when using the screwdriver to twist self tapping screw, can make the utility model discloses a self tapping screw adsorbs on the screwdriver, facilitates the use.
The utility model relates to a flat head self tapping screw of high strength's beneficial effect is:
(1) the inner hexagonal groove and the cross-shaped groove are formed in the surface of the screw head, the screw head can be adapted to various screwdrivers for use, one screw can correspond to various detachable screwdrivers, the use is convenient, and the working efficiency can be effectively improved;
(2) the arrangement of the reinforcing ribs in the hollow cylindrical cavity and the aluminum honeycomb core can improve the strength of the screw body, so that the practical self-tapping screw is high in strength and high in durability;
(3) the wear-resistant coating is coated on the thread part, the thread body is protected, the durability and the practicability of the self-tapping screw are improved, and the self-tapping screw is easy to popularize.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a flat self tapping screw of high strength which characterized in that includes: the screw comprises a screw body, wherein the screw body is made of plastic materials and comprises a screw head and a screw rod which are connected, a threaded part is arranged on the screw rod, the cross section of the screw head is circular, the end surface of the screw head is flat, an inner hexagonal groove matched with an inner hexagonal screw is arranged on the upper surface of the screw head, and a cross-shaped groove is sleeved in the inner hexagonal groove; the utility model discloses a screw rod, including screw rod, screw head, hollow column die cavity, strengthening rib, aluminium honeycomb core and hollow column die cavity formula structure as an organic whole, the inside of screw rod is provided with hollow column die cavity, the lower surface of screw head is provided with the strengthening rib of "T" style of calligraphy of falling, inserting of strengthening rib is located hollow column die cavity and both ends offset with two inboards of hollow column die cavity, hollow column die cavity intussuseption is filled with aluminium honeycomb core, aluminium.
2. A high strength, flat-headed self-tapping screw as claimed in claim 1, wherein the diameter of said screw head is greater than the diameter of said screw shaft, said screw head and screw shaft being coaxially disposed.
3. A high strength, flat head, self-tapping screw as claimed in claim 2, wherein said socket head hexagonal recess and said cross-shaped recess are coaxially disposed.
4. The high-strength flat-head self-tapping screw as claimed in claim 1, wherein the screw head is fixed to the screw shaft by gluing.
5. A high strength, flat-headed self-tapping screw as claimed in claim 1, wherein said screw head is threadedly connected to said shank.
6. The high-strength flat-head self-tapping screw according to claim 1, wherein the hollow cylindrical cavity extends to a position close to the bottom of the screw in the axial direction of the screw, and the width of the hollow cylindrical cavity is 1/5-1/4 of the width of the screw.
7. A high strength, spade-headed, self-tapping screw according to claim 6 wherein said hollow cylindrical cavity is coaxial with said screw head.
8. A high strength, flat-headed self-tapping screw as claimed in claim 1, wherein said threaded portion is coated with a wear-resistant coating layer, said wear-resistant coating layer being provided around the threaded portion in a circumferential direction thereof.
9. A high strength, flat-headed self-tapping screw as claimed in claim 8, wherein said wear-resistant coating is disposed symmetrically along the axial direction of the threaded portion.
10. A high strength, flat-headed self-tapping screw as claimed in claim 1, wherein a magnet is provided inside said screw head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022159.7U CN213145042U (en) | 2020-09-16 | 2020-09-16 | High-strength flat-head self-tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022159.7U CN213145042U (en) | 2020-09-16 | 2020-09-16 | High-strength flat-head self-tapping screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145042U true CN213145042U (en) | 2021-05-07 |
Family
ID=75716779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022022159.7U Expired - Fee Related CN213145042U (en) | 2020-09-16 | 2020-09-16 | High-strength flat-head self-tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145042U (en) |
-
2020
- 2020-09-16 CN CN202022022159.7U patent/CN213145042U/en not_active Expired - Fee Related
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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: 20210507 |