CN210660953U - Straight countersunk cement screw - Google Patents
Straight countersunk cement screw Download PDFInfo
- Publication number
- CN210660953U CN210660953U CN201921715225.XU CN201921715225U CN210660953U CN 210660953 U CN210660953 U CN 210660953U CN 201921715225 U CN201921715225 U CN 201921715225U CN 210660953 U CN210660953 U CN 210660953U
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- CN
- China
- Prior art keywords
- screw
- nail body
- countersunk head
- outer hexagonal
- groove
- 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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- 239000004568 cement Substances 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a word countersunk head cement screw, including the nail body, threaded groove has been seted up through processing on the outer wall of the nail body, the bottom of screw is provided with the cone, the cone is provided with four conical surfaces, the cover is equipped with the gasket on one side outer wall of the nail body, the top fixedly connected with connection piece of the nail body, the top of connection piece is provided with outer hexagonal piece, the top of outer hexagonal piece is provided with the round piece. This a word countersunk head cement screw is provided with the cone that has four faces at the top of screw, makes this screw more have the dynamics when driling to cement, the entering of the screw of being more convenient for, when through setting up outer hexagonal, the top of outer hexagonal sets up circular recess and a word groove, does benefit to multiple fastening tool and fastens work to this screw, sets up the notch that one from last to connecting down to become the skew type through nailing body screw thread, connects more firmly when making its screw use.
Description
Technical Field
The utility model relates to a countersunk screw technical field specifically is a word countersunk cement screw.
Background
The countersunk head screw is also called a countersunk head screw, is also called a flat machine screw and is a building part, the head part of the countersunk head screw is a 90-degree cone, is similar to a common wood screw, the head part is provided with a tool tightening groove and is provided with a straight shape, a cross shape, an internal hexagon, a quincunx shape, a pentagon shape and the like, the screw is a connecting piece used for connecting two objects, and the head part of the general screw can protrude out of the upper part of the surface of the connected object, so that the surface is not flat. The countersunk head screw can sink to the lower surface to enable the surface to be flat, and a countersunk hole needs to be drilled at the corresponding position of the countersunk head for a hard object. In short, the countersunk head is the head of the screw which can keep the surface flat after being installed.
The screw all is the connecting piece that is used for connecting two objects, and general screw head can be outstanding on the object surface upper portion of being connected, makes the surface go smoothly, and secondly current screw fastening mode is simple, only a fastening mode, inconvenient use under the less complete condition of instrument, and current cement screw bottom is mostly the crew cut, is unfavorable for drilling, and current screw does not have other unique structure on the thread groove in addition, screws up the circumstances that the messenger can appear being difficult to screw up in the rotation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a word countersunk head cement screw to it is simple to provide the fastening mode in solving above-mentioned background art, and only the inconvenient use of a fastening mode is unfavorable for drilling and makes the problem that can appear being difficult to screw up in rotatory screwing up.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a straight countersunk head cement screw, includes the nail body, threaded groove has been seted up through processing on the outer wall of the nail body, the bottom of the nail body is provided with the cone, the cone is provided with four conical surfaces, the cover is equipped with the gasket on one side outer wall of the nail body, the top fixedly connected with connection piece of the nail body, the top of connection piece is provided with outer hexagonal piece, the top of outer hexagonal piece is provided with the circle piece.
Preferably, the top of the round block is provided with a round groove, and the bottom of the round block is positioned at the top of the outer hexagonal block and is provided with a straight groove.
Preferably, the thread groove is provided with a notch, and the thread groove forms a plurality of symmetrical triangular inclined planes through the notch.
Preferably, the nail body and the whole body are made of hard steel materials, and the diameter of the gasket is smaller than that of the connecting piece.
Preferably, the diameter of the outer hexagonal block is smaller than that of the connecting piece.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the cone with four surfaces is arranged at the top of the straight countersunk head cement screw, so that the screw has more strength when drilling cement and is more convenient for the screw to enter;
2. according to the straight countersunk head cement screw, the outer hexagon is arranged, and the circular groove and the straight groove are arranged at the top of the outer hexagon, so that the screw can be fastened by various fastening tools;
3. the straight countersunk head cement screw is provided with the inclined notch which is connected from top to bottom through the screw thread of the screw body, so that the screw is more stable in connection when in use.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the head-up structure of the present invention;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: 1. a nail body; 2. a thread groove; 3. a cone; 4. a conical surface; 5. a gasket; 6. connecting sheets; 7. an outer hexagonal block; 8. a round block; 9. a circular groove; 10. a straight slot; 11. a notch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a straight countersunk head cement screw comprises a screw body 1, a thread groove 2, a cone 3, conical surfaces 4, gaskets 5, connecting pieces 6, an outer hexagonal block 7, round blocks 8, a round groove 9, a straight groove 10 and a notch 11, wherein the thread groove 2 is formed in the outer wall of the screw body 1 through machining, the cone 3 is arranged at the bottom of the screw body 1, the cone 3 is provided with four conical surfaces 4, the gaskets 5 are sleeved on the outer wall of one side of the screw body 1, the connecting piece 6 is fixedly connected to the top of the screw body 1, the outer hexagonal block 7 is arranged at the top of the connecting piece 6, the round blocks 8 are arranged at the top of the outer hexagonal block 7, and the cone 3 with four surfaces is arranged, so that the screw has more strength when drilling cement and is more convenient to drill into the cement;
furthermore, a circular groove 9 is formed in the top of the circular block 8, a straight groove 10 is formed in the bottom of the circular block 8, which is located at the top of the outer hexagonal block 7, and the circular groove 9, the outer hexagonal block 7 and the straight groove 10 are arranged, so that the screw can be fastened by various fastening tools;
furthermore, the thread groove 2 is provided with a notch 11, the thread groove 2 forms a plurality of symmetrical triangular inclined planes through the notch 11, and the notch 11 is arranged on the thread groove 2, so that the connection of the screw is more stable when the screw is used;
furthermore, the nail body 1 and the whole body are made of hard steel materials, the diameter of the gasket 5 is smaller than that of the connecting sheet 6, the connection is more stable through the gasket 5, and the hard steel materials are more beneficial to drilling the hard materials by the screw surface;
furthermore, the diameter of the outer hexagonal block 7 is smaller than that of the connecting piece 6, so that the screw looks more attractive, and the outer hexagonal wrench is convenient to fasten the screw.
The working principle is as follows: at first utilize outer hexagonal piece 7, circular slot 9 or straight line groove 10 to a word countersunk head cement screw through fastening tool and fix, close into harder insides such as cement through thread groove 2 soon, be provided with cone 3 in nail body 1 bottom, cone 3 is provided with four conical surfaces 4, make this screw have the dynamics when driling to cement, in the screw of being more convenient for bores into cement, through having seted up notch 11 on thread groove 2, it is more firm to connect when making its screw use.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a word countersunk head cement screw, includes the nail body, its characterized in that: the nail comprises a nail body and is characterized in that a threaded groove is formed in the outer wall of the nail body through machining, a cone is arranged at the bottom of the nail body and provided with four conical surfaces, a gasket is sleeved on the outer wall of one side of the nail body, a connecting sheet is fixedly connected to the top of the nail body, an outer hexagonal block is arranged at the top of the connecting sheet, and a round block is arranged at the top of the outer hexagonal block.
2. The in-line countersunk head cement screw as claimed in claim 1, wherein: the top of the round block is provided with a round groove, and the bottom of the round block is positioned at the top of the outer hexagonal block and is provided with a straight groove.
3. The in-line countersunk head cement screw as claimed in claim 1, wherein: the thread groove is provided with a notch, and the thread groove forms a plurality of symmetrical triangular inclined planes through the notch.
4. The in-line countersunk head cement screw as claimed in claim 1, wherein: the nail body and the whole body are made of hard steel materials, and the diameter of the gasket is smaller than that of the connecting piece.
5. The in-line countersunk head cement screw as claimed in claim 1, wherein: the diameter of the outer hexagonal block is smaller than that of the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715225.XU CN210660953U (en) | 2019-10-14 | 2019-10-14 | Straight countersunk cement screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715225.XU CN210660953U (en) | 2019-10-14 | 2019-10-14 | Straight countersunk cement screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660953U true CN210660953U (en) | 2020-06-02 |
Family
ID=70816367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921715225.XU Active CN210660953U (en) | 2019-10-14 | 2019-10-14 | Straight countersunk cement screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660953U (en) |
-
2019
- 2019-10-14 CN CN201921715225.XU patent/CN210660953U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |