CN219366526U - Self-tapping self-drilling screw - Google Patents
Self-tapping self-drilling screw Download PDFInfo
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- CN219366526U CN219366526U CN202320298058.3U CN202320298058U CN219366526U CN 219366526 U CN219366526 U CN 219366526U CN 202320298058 U CN202320298058 U CN 202320298058U CN 219366526 U CN219366526 U CN 219366526U
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Abstract
The utility model discloses a self-tapping self-drilling screw, which comprises a polished rod part, a central hole, a guide rod and at least one side hole, wherein one end of the polished rod part is provided with a stud part, the other end of the polished rod part is provided with a rotating part, the central hole sequentially penetrates through the rotating part and the polished rod part, the central hole is internally inserted with the guide rod, one end of the guide rod extends out of the orifice of the central hole, the polished rod part is provided with at least one side hole extending along the radial direction of the guide rod, one end of the side hole is communicated with the inside of the central hole, the other end of the side hole is communicated with the outside, a clamp pin is embedded in the side hole, and one end of the clamp pin is provided with a guide part extending into the inside of the central hole; when the guide part is positioned in the central hole, the other end of the clamping nail does not extend out of the hole of the side hole. According to the screw, the screw is screwed into the connected piece, then the guide rod is hammered into the central hole, force is transmitted through the guide part, so that the head of the clamping nail is laterally inserted into the connected piece to form self-locking, the screw cannot reversely rotate and is taken down from the connected piece, the functions of disassembly prevention and firm connection are achieved, the overall function is complete, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a self-tapping and self-drilling screw.
Background
The self-tapping screw is used for nonmetal or softer metal, and does not need to punch bottom holes and tap; self-tapping screws are pointed so that "self-tapping" can be accomplished. The traditional self-tapping screw can still be disassembled after being reversely rotated after being tapped into a connected piece, and if the traditional self-tapping screw is used in special occasions without being disassembled, the traditional self-tapping screw cannot be suitable for the special occasions without being disassembled. Accordingly, the utility model provides a self-tapping self-drilling screw.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a self-tapping and self-drilling screw.
In order to solve the technical problems, the aim of the utility model is realized as follows: the utility model relates to a self-tapping self-drilling screw, which comprises a polished rod part, wherein one end of the polished rod part is provided with a stud part extending along the axial direction of the polished rod part, the other end of the polished rod part is provided with a rotating part, the self-tapping self-drilling screw also comprises a central hole which sequentially penetrates through the rotating part and the polished rod part, a guide rod with one end extending out of an orifice of the central hole is inserted into the central hole, the polished rod part is provided with at least one side hole extending along the radial direction of the polished rod part, one end of the side hole is communicated with the inside of the central hole, the other end of the side hole is communicated with the outside, a clamp pin is embedded in the side hole, and one end of the clamp pin is provided with a guide part extending into the inside of the central hole; when the guide part is positioned in the central hole, the other end of the clamping nail does not extend out of the hole of the side hole.
The utility model is further provided with: the other end face of the clamping nail is provided with gear shaping.
The utility model is further provided with: the side holes are arranged along the axial direction of the polish rod part.
The utility model is further provided with: the distance between two adjacent side holes is equal.
The utility model is further provided with: the side holes are distributed in an annular array around the axis of the polish rod part.
The utility model is further provided with: the interval included angles between two adjacent side holes are equal.
In summary, the utility model has the following beneficial effects: according to the self-tapping self-drilling screw, the screw is screwed into the connected piece, then the guide rod is hammered into the central hole, force is transmitted through the guide part, so that the head of the clamping nail is laterally inserted into the connected piece to form self-locking, the screw cannot reversely rotate and is taken down from the connected piece, the effects of disassembly prevention and firm connection are achieved, the overall function is complete, and the practicability is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
fig. 3 is a partial structural schematic of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present utility model, and are not limiting the patent claims of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings and preferred embodiments.
Example 1
Referring to fig. 1 to 3, the self-tapping self-drilling screw according to this embodiment includes a polish rod portion 1, one end of the polish rod portion 1 is provided with a stud portion 2 extending along an axial direction thereof, the other end is provided with a rotating portion 3, the self-tapping self-drilling screw further includes a central hole 4 sequentially penetrating through the rotating portion and the polish rod portion, a guide rod 5 with one end extending out of a hole of the central hole is inserted into the central hole 4, at least one side hole 6 extending along a radial direction thereof is formed in the polish rod portion 1, one end of the side hole 6 is communicated with an inside of the central hole 4, the other end is communicated with the outside, a clamp 7 is embedded in the side hole 6, and one end of the clamp 7 is provided with a guide portion 8 extending into the inside of the central hole 4; when the guide part 8 is positioned in the central hole, the other end of the clamp 7 does not extend out of the orifice of the side hole 6.
In this embodiment, first, the screw body is screwed into the connected member using the stud portion 2, and then the guide bar 5 inserted into the central hole 4 is hammered, and the guide bar 5 gradually moves downward in the axial direction until reaching the guide portion 8 at one end of the staple 7, and the staple 7 is moved outward along the side hole 6 by force transmission until the end of the staple 7 is laterally inserted into the connected member, thereby forming self-locking.
Wherein, the rotating part can adopt an external hexagonal rotating part to prevent the position interference with the central hole 4.
Example 2
Referring to fig. 1 to 3, in the self-tapping self-drilling screw according to the present embodiment, on the basis of embodiment 1, further, the other end face of the clip 7 is provided with a gear shaping 9.
In this embodiment, by arranging the gear shaping 9 on the other end face of the clip 7, the clip 7 can be conveniently inserted into the connected member in the lateral direction, and the connecting effect can be improved, so that the connection is more firm.
Example 3
Referring to fig. 1 to 3, a self-tapping and self-drilling screw according to the present embodiment is further provided, based on embodiments 1 and 2, such that the side holes 6 are aligned in the axial direction of the polish rod portion 1.
Further, the distance between two adjacent side holes 6 is equal.
Further, the side holes 6 are distributed in an annular array around the axis of the polish rod part 1.
Further, the interval included angles between two adjacent side holes 6 are equal.
In this embodiment, through setting up side opening 6 as dislocation and circumference dislocation structure from top to bottom, make the staple 7 that stretches out side opening 6 realize the connection function towards all directions, promote the holding power, strengthen the connection effect.
According to the self-tapping self-drilling screw, the screw is screwed into the connected piece, then the guide rod is hammered into the central hole, force is transmitted through the guide part, so that the head of the clamping nail is laterally inserted into the connected piece to form self-locking, the screw cannot reversely rotate and is taken down from the connected piece, the effects of disassembly prevention and firm connection are achieved, the overall function is complete, and the practicability is high.
Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional or positional relation is based on the actually shown positional or positional relation, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional or positional relation in the present utility model are merely for exemplary illustration and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to combine the embodiments and understand the specific meaning of the above terms according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. The utility model provides a self-tapping self-drilling screw, includes polished rod portion, and the one end of polished rod portion is equipped with the double-screw bolt portion that makes the extension along its axial, and the other end is equipped with rotating part, its characterized in that: the rotary part and the polish rod part are sequentially penetrated, a guide rod with one end extending out of the orifice of the central hole is inserted into the central hole, the polish rod part is provided with at least one side hole extending along the radial direction of the guide rod, one end of the side hole is communicated with the inside of the central hole, the other end of the side hole is communicated with the outside, a clamp is embedded in the side hole, and one end of the clamp is provided with a guide part extending into the inside of the central hole; when the guide part is positioned in the central hole, the other end of the clamping nail does not extend out of the hole of the side hole.
2. The self-tapping self-drilling screw according to claim 1, wherein: the other end face of the clamping nail is provided with gear shaping.
3. The self-tapping self-drilling screw according to claim 1 or 2, characterized in that: the side holes are arranged along the axial direction of the polish rod part.
4. A self-tapping self-drilling screw as defined in claim 3, wherein: the distance between two adjacent side holes is equal.
5. The self-tapping self-drilling screw as defined in claim 4, wherein: the side holes are distributed in an annular array around the axis of the polish rod part.
6. The self-tapping self-drilling screw as defined in claim 5, wherein: the interval included angles between two adjacent side holes are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320298058.3U CN219366526U (en) | 2023-02-23 | 2023-02-23 | Self-tapping self-drilling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320298058.3U CN219366526U (en) | 2023-02-23 | 2023-02-23 | Self-tapping self-drilling screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366526U true CN219366526U (en) | 2023-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320298058.3U Active CN219366526U (en) | 2023-02-23 | 2023-02-23 | Self-tapping self-drilling screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366526U (en) |
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2023
- 2023-02-23 CN CN202320298058.3U patent/CN219366526U/en active Active
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