CN219388377U - Self-drilling screw for fixing plate - Google Patents
Self-drilling screw for fixing plate Download PDFInfo
- Publication number
- CN219388377U CN219388377U CN202320373542.8U CN202320373542U CN219388377U CN 219388377 U CN219388377 U CN 219388377U CN 202320373542 U CN202320373542 U CN 202320373542U CN 219388377 U CN219388377 U CN 219388377U
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- CN
- China
- Prior art keywords
- guide sleeve
- screw
- self
- hole
- rod body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a self-drilling screw for fixing a plate, which comprises a screw head, a rod body, a drill bit, external threads, a gasket and a guide sleeve, wherein the center of the bottom of the screw head is provided with a groove, the center of the top wall of the groove is connected with the rod body, the rod body is vertically arranged, the outer wall of the rod body is provided with external threads protruding outwards, the drill bit is connected with the bottom of the rod body, the upper end surface of the gasket is fixedly provided with the guide sleeve, the assembly formed by the gasket and the guide sleeve allows the rod body and the drill bit to pass through, the guide sleeve is sleeved on the rod body, the guide sleeve is internally provided with a first through hole and a second through hole which are sequentially connected from top to bottom, and the inner diameter of the first through hole is smaller than that of the second through hole. According to the utility model, the guide sleeve is matched with the rod body, so that the self-drilling screw cannot deviate in the screwing process, the bottom end of the screw head can be tightly attached to the end face of the plate, the effective depth of the plate drilled by the screw is effectively ensured, and the fixing firmness of the plate is ensured.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to the technical field of self-drilling screws.
Background
The self-tapping screw is a screw with a self-tapping drilling head at the front end of the screw, is a tool for fastening a workpiece in a progressive manner by utilizing the physical and mathematical principles of the inclined plane circular rotation and friction force of an object, has a tail part in a shape of a drill tail or a pointed tail, does not need auxiliary processing, can be directly used for drilling, tapping and locking on a setting material and a basic material, greatly saves construction time, is higher than a common screw, has high toughness and maintenance force, is long in time after being combined, can not loosen, is used for safely drilling and tapping, and is simple to operate.
The current self-drilling screw is in the in-process of carrying out butt joint installation to panel, because the unable accurate control of installer is installed strength and the angle of boring, lead to the phenomenon of boring askew appears in the in-process of installation self-drilling screw in the inside of panel, not only make panel and the unable inseparable laminating of head bottom of screw, can make the screw stretch into the effective degree of depth of panel shorten moreover, can reduce the fixed fastness of panel.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides the self-drilling screw for fixing the plate, which can ensure that the self-drilling screw is not easy to deflect in the installation process and ensures the fixing firmness of the plate.
In order to achieve the above purpose, the utility model provides a self-drilling screw for fixing a plate, which comprises a screw head, a rod body, a self-drilling tail, an external thread, a gasket and a guide sleeve, wherein the center of the bottom of the screw head is provided with a groove, the center of the top wall of the groove is connected with the rod body, the rod body is vertically arranged, the outer wall of the rod body is provided with an external thread protruding outwards, the bottom of the rod body is connected with the self-drilling tail, the upper end surface of the gasket is fixedly provided with the guide sleeve, the assembly formed by the gasket and the guide sleeve allows the assembly formed by the rod body and the self-drilling tail to pass through, the guide sleeve is sleeved on the rod body, the guide sleeve is internally provided with a first through hole and a second through hole which are sequentially connected from top to bottom, the inner diameter of the first through hole is smaller than the inner diameter of the second through hole, the inner diameter of the first through hole is provided with an internal thread matched with the external thread, the inner diameter of the second through hole is larger than the nominal diameter of the external thread, the inner wall of the second through hole is flush with the inner wall of the gasket, the depth of the groove is larger than the height of the guide sleeve, and the outer diameter of the guide sleeve is smaller than the inner diameter of the groove.
Preferably, the screw head, the rod body and the drill tail are of an integrated structure, and the guide sleeve and the gasket are of an integrated structure.
Preferably, the top end of the external thread is flush with the lower end face of the screw head.
Preferably, the outside of the guide sleeve is provided with anti-skid patterns.
Preferably, the guide sleeve has a height greater than the height of the drill tail.
The utility model has the beneficial effects that: according to the utility model, the guide sleeve is matched with the rod body, so that the self-drilling screw cannot deviate in the screwing process, the bottom end of the screw head can be tightly attached to the end face of the plate, the effective depth of the plate drilled by the screw is effectively ensured, and the fixing firmness of the plate is ensured.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of a self-drilling screw for fixing a plate according to the present utility model.
In the figure: 1-screw head, 2-body of rod, 3-brill tail, 4-gasket, 5-uide bushing, 10-recess, 25-external screw thread, 51-first through-hole, 52-second through-hole, 55-internal screw thread.
Detailed Description
Referring to fig. 1, the self-drilling screw for fixing a plate comprises a screw head 1, a rod body 2, a self-drilling 3, an external thread 25, a gasket 4 and a guide sleeve 5, wherein a groove 10 is arranged at the center of the bottom of the screw head 1, the center of the top wall of the groove 10 is connected with the rod body 2, the rod body 2 is vertically arranged, the external thread 25 protruding outwards is arranged on the outer wall of the rod body 2, the self-drilling 3 is connected at the bottom of the rod body 2, the guide sleeve 5 is fixed on the upper end face of the gasket 4, the assembly formed by the gasket 4 and the guide sleeve 5 allows the assembly formed by the rod body 2 and the self-drilling 3 to pass through, the guide sleeve 5 is sleeved on the rod body 2, a first through hole 51 and a second through hole 52 which are sequentially connected from top to bottom are arranged in the guide sleeve 5, the inner diameter of the first through hole 51 is smaller than the inner diameter of the second through hole 52, an internal thread 55 matched with the external thread 25 is arranged on the inner wall of the first through hole 51, the inner diameter of the second through hole 52 is larger than the nominal diameter of the external thread 25, the inner wall of the second through hole 52 is flush with the inner wall of the gasket 4, the depth of the groove 10 is larger than the depth of the guide sleeve 5 and is smaller than the outer diameter of the guide sleeve 10.
The screw head 1, the rod body 2 and the drill tail 3 are of an integrated structure, and the guide sleeve 5 and the gasket 4 are of an integrated structure.
The top of external screw thread 25 and the lower terminal surface parallel and level of screw head 1, external screw thread 25 is convenient for the machine-shaping.
The outside of the guide sleeve 5 is provided with anti-slip lines, and fingers are not easy to slip when clamping the guide sleeve 5.
The height of the guide sleeve 5 is larger than that of the drill tail 3, and when the bottom end of the gasket 4 is flush with the bottom end of the drill tail 3, a part of the guide sleeve 5 is screwed on the rod body 2.
The working process of the utility model comprises the following steps:
in the working process of the self-drilling screw for fixing the plate, the guide sleeve 5 is screwed to move towards the self-drilling 3 until the bottom end of the self-drilling 3 is flush with the bottom end of the gasket 4 or the bottom end of the self-drilling 3 is slightly higher than the bottom end of the gasket 4, at the moment, the guide sleeve 5 is still screwed on the rod body 2, the gasket 4 is jointed with the end face of the plate, the guide sleeve 5 is clamped by fingers, then the screw head 1 is screwed by using a tool, so that the screw is screwed into the plate, and because the guide sleeve 5 is in a vertical state, the internal thread 55 in the guide sleeve 5 is matched with the external thread 25 on the screw, the screw is also in a vertical state, the screw is screwed in a vertical state when being screwed into the plate, the screw is not easy to deflect, and the screw is continuously screwed along with continuous screwing of the screw, the guide sleeve 5 is continuously close to the screw head 1 until the guide sleeve 5 enters the groove, and the screw head 1 is tightly pressed against the gasket, at the moment, and the screw is screwed.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. The fixed self-drilling screw of using of panel, its characterized in that: including screw head (1), body of rod (2), brill tail (3), external screw thread (25), gasket (4), uide bushing (5), screw head (1) bottom center is equipped with a recess (10), the roof center of recess (10) links to each other with a body of rod (2), body of rod (2) vertical setting is equipped with outside bellied external screw thread (25) on the outer wall of body of rod (2), the bottom of body of rod (2) even has brill tail (3), gasket (4) up end is fixed with a uide bushing (5), and the assembly that gasket (4) and uide bushing (5) constitute allows body of rod (2) and brill tail (3) to make up the assembly and pass, uide bushing (5) cover is on body of rod (2), the inside first through-hole (51) and the second through-hole (52) that link to each other from top down that are equipped with in proper order of uide bushing (5), be equipped with on the inner wall of first through-hole (51) with internal thread (55) matched with external screw thread (25), the second through-hole (52) the inner wall of second through-hole (51) is greater than the inner wall (5) of the clearance (5) is big one's bore (10), the outer diameter of the guide sleeve (5) is smaller than the inner diameter of the groove (10).
2. The self-drilling screw for fixing a plate as claimed in claim 1, wherein: the screw head (1), the rod body (2) and the drill tail (3) are of an integrated structure, and the guide sleeve (5) and the gasket (4) are of an integrated structure.
3. The self-drilling screw for fixing a plate as claimed in claim 1, wherein: the top end of the external thread (25) is flush with the lower end face of the screw head (1).
4. The self-drilling screw for fixing a plate as claimed in claim 1, wherein: the outside of the guide sleeve (5) is provided with anti-skid patterns.
5. The self-drilling screw for fixing a plate as claimed in claim 1, wherein: the height of the guide sleeve (5) is larger than that of the drill tail (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373542.8U CN219388377U (en) | 2023-02-24 | 2023-02-24 | Self-drilling screw for fixing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373542.8U CN219388377U (en) | 2023-02-24 | 2023-02-24 | Self-drilling screw for fixing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388377U true CN219388377U (en) | 2023-07-21 |
Family
ID=87186618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373542.8U Active CN219388377U (en) | 2023-02-24 | 2023-02-24 | Self-drilling screw for fixing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388377U (en) |
-
2023
- 2023-02-24 CN CN202320373542.8U patent/CN219388377U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |