CN213117047U - Novel self-tapping screw - Google Patents
Novel self-tapping screw Download PDFInfo
- Publication number
- CN213117047U CN213117047U CN202021973880.8U CN202021973880U CN213117047U CN 213117047 U CN213117047 U CN 213117047U CN 202021973880 U CN202021973880 U CN 202021973880U CN 213117047 U CN213117047 U CN 213117047U
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- screw
- tapping screw
- jack
- inserted block
- lateral surface
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Abstract
The utility model discloses a novel self tapping screw, including self tapping screw post, jack and inserted block, self tapping screw post lateral surface is provided with external screw thread spare, and the side is provided with the screw cap on the self tapping screw post, the jack is seted up to the side on the screw cap, and the jack lateral surface has seted up the spacing groove, and the spacing groove is seted up to the side on the screw cap simultaneously, the inserted block sets up inside the jack, and the inserted block lateral surface is provided with the stopper, and the stopper sets up in the spacing inslot portion simultaneously, the spacing hole of cross has been seted up to the side on the inserted block, and the lateral surface is provided with the fixed block on the inserted block, and the fixed block setting is at. This novel self tapping screw is provided with spacing groove and stopper, when using this self tapping screw, through letting the stopper enter into the spacing inslot, and the spacing groove plays limiting displacement to the stopper, causes the inserted block to obtain limiting displacement when installing the jack inside, causes the inserted block conveniently to drive this self tapping screw and rotates the use.
Description
Technical Field
The utility model particularly relates to a self tapping screw technical field specifically is a novel self tapping screw.
Background
The self-tapping screw is generally a fingertip sharp, coarse and hard wood screw, also has aluminum alloy and plastic, is used for nonmetal or softer metal, does not need to be provided with a bottom hole and tapped, and can be used for tapping, knotting, extruding and pressing a solidified body to form corresponding threads on the solidified material by virtue of the threads of the solidified material so as to enable the solidified body to be tightly matched with the corresponding threads.
When the existing automatic screw is used, the automatic screw cannot be used when being damaged due to single function, so that the cost is increased, and the work is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel self tapping screw to solve present automatic screw that proposes in the above-mentioned background art when using, because the function is single, just can't use when it appears damaging, so not only raise the cost, and influence the problem of work.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel self tapping screw, includes shell and discharge gate, including self tapping screw post, jack and inserted block, self tapping screw post lateral surface is provided with external screw thread spare, and the lateral surface is provided with the screw cap on the self tapping screw post, the jack is seted up to the side on the screw cap, and the jack lateral surface has seted up the spacing groove, and the spacing groove is seted up to the side on the screw cap simultaneously, the inserted block sets up inside the jack, and the inserted block lateral surface is provided with the stopper, and the stopper sets up in the spacing inslot portion simultaneously, the spacing hole of cross has been seted up to the lateral surface on the inserted block, and the lateral surface is provided with the fixed block on the inserted block.
Preferably, the internal thread hole has been seted up to self tapping screw post downside, and self tapping screw post downside is provided with the screw head, the overhead side of screw is provided with the external screw thread post, and the external screw thread post is connected with the internal thread hole.
Preferably, the diameter of the insertion hole is smaller than that of the upper side of the screw cap.
Preferably, the limiting grooves are symmetrically arranged about the central axis of the jack.
Preferably, the diameter of the insert block is equal to the inner diameter of the insertion hole.
Preferably, the length and the width of the limiting block are respectively equal to the distance between the inner side surfaces of the limiting grooves.
Preferably, the screw head is in threaded connection through the connection mode between the external thread column and the internal thread hole.
Compared with the prior art, the beneficial effects of the utility model are that: the novel self-tapping screw is provided with a screw head,
(1) the self-tapping screw is characterized in that a limiting groove and a limiting block are arranged, when the self-tapping screw is used, the limiting block enters the limiting groove, and the limiting groove limits the limiting block, so that the inserting block is limited when being installed in the jack, and the inserting block conveniently drives the self-tapping screw to rotate for use;
(2) the novel self-tapping screw is provided with a limiting block, and when the inserting block needs to be replaced when the novel self-tapping screw is used, the inserting block is convenient to take down and replace under the action of the limiting block, so that the novel self-tapping screw is convenient to continue to use;
(3) be provided with external screw thread post and internal thread hole, when this novel self tapping screw downside screw head damaged, through rotating the screw head for screw hole inside rotates including the overhead external screw thread post of screw, causes the screw head convenient dismantlement to get off to change, lets this novel self tapping screw can continue to use, practices thrift the cost.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic top view of the screw cap of the present invention;
fig. 4 is a schematic view of the structure of the self-tapping screw column according to the present invention;
FIG. 5 is a front view of the insert block of the present invention;
fig. 6 is a schematic front view of the screw head of the present invention;
fig. 7 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. self tapping screw post, 2, external screw thread spare, 3, screw cap, 4, jack, 5, spacing groove, 6, inserted block, 7, stopper, 8, the spacing hole of cross, 9, fixed block, 10, internal thread hole, 11, screw head, 12, external screw thread post.
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. 1-7, the present invention provides a technical solution: a novel self-tapping screw is disclosed, as shown in fig. 1 and fig. 2, an external thread member 2 is arranged on the outer side surface of a self-tapping screw column 1, and a screw cap 3 is arranged on the upper side surface of the self-tapping screw column 1.
As shown in fig. 3 and 7, the jack 4 is provided on the screw cap 3, and the lateral surface of the jack 4 is provided with the limiting groove 5, the diameter of the jack 4 is smaller than that of the upper side of the screw cap 3, so that the plug 6 is convenient to install and fix, the limiting groove 5 is provided on the upper side of the screw cap 3, the limiting groove 5 is symmetrically arranged about the central axis of the jack 4, and the limiting block 7 can be fixed through the action of the limiting groove 5.
As shown in fig. 5 and 7, the inserted block 6 sets up inside jack 4, and 6 lateral surfaces of inserted block are provided with stopper 7, the diameter of inserted block 6 equals the internal diameter of jack 4, make the convenient jack 4 inside that inserts, stopper 7 sets up inside spacing groove 5 simultaneously, stopper 7's length and width equal the distance between 5 medial surfaces of spacing groove respectively, make stopper 7 conveniently insert inside spacing groove 5, the spacing hole 8 of cross has been seted up to the lateral surface on the inserted block 6, and lateral surface is provided with fixed block 9 on the inserted block 6, fixed block 9 sets up the upside at jack 4 simultaneously.
As shown in fig. 1, fig. 4 and fig. 6, internal thread hole 10 has been seted up to 1 downside of self tapping screw post, and 1 downside of self tapping screw post is provided with screw head 11, screw head 11 is threaded connection through the connected mode between external screw post 12 and the internal thread hole 10, through the threaded connection between external screw post 12 and the internal thread hole 10, make screw head 11 make things convenient for the dismouting, cause screw head 11 to conveniently change, the side is provided with external screw post 12 on the screw head 11, and external screw post 12 is connected with internal thread hole 10.
The working principle is as follows: when the novel self-tapping screw is used, the screwdriver is connected with the cross limiting hole 8 on the inserting block 6, the screwdriver is rotated at the moment, the screwdriver drives the inserting block 6 to rotate through the cross limiting hole 8, the limiting groove 5 plays a limiting role on the limiting block 7, so that the inserting block 6 can drive the screw cap 3 to rotate, the screw cap 3 drives the self-tapping screw post 1 and the screw head 11 to rotate, the screw head 11 enters the inside of the connecting piece through rotation, the self-tapping screw post 1 enters the inside of the connecting piece through the action of the external thread piece 2, when the cross limiting hole 8 on the inserting block 6 is damaged, the inserting block 6 is upwards lifted through the fixing block 9, the inserting block 6 leaves the inside of the inserting hole 4, the inserting block 6 is conveniently taken down to be replaced, and the novel self-tapping screw can be continuously used, and when the screw head 11 is damaged, by rotating the screw head 11, the external thread column 12 on the upper side of the screw head 11 is rotated inside the internal thread hole 10, so that the screw head 11 is convenient to replace, and the novel self-tapping screw is convenient to use, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a novel self tapping screw, includes self tapping screw post (1), jack (4) and inserted block (6), its characterized in that: self tapping screw post (1) lateral surface is provided with external screw thread spare (2), and the lateral surface is provided with screw cap (3) on self tapping screw post (1), jack (4) are seted up and are gone up side in screw cap (3), and jack (4) lateral surface has seted up spacing groove (5), and spacing groove (5) are seted up simultaneously and are gone up side in screw cap (3), inserted block (6) set up inside jack (4), and inserted block (6) lateral surface is provided with stopper (7), and stopper (7) set up inside spacing groove (5) simultaneously, the spacing hole of cross (8) have been seted up to the lateral surface on inserted block (6), and inserted block (6) go up the lateral surface and be provided with fixed block (9), and fixed block (9) set up in jack (4) upside simultaneously.
2. A novel self-tapping screw as defined in claim 1, wherein: internal thread hole (10) have been seted up to self tapping screw post (1) downside, and self tapping screw post (1) downside is provided with screw head (11), the side is provided with external screw thread post (12) on screw head (11), and external screw thread post (12) are connected with internal thread hole (10).
3. A novel self-tapping screw as defined in claim 1, wherein: the diameter of the insertion hole (4) is smaller than that of the upper side face of the screw cap (3).
4. A novel self-tapping screw as defined in claim 1, wherein: the limiting grooves (5) are symmetrically arranged around the central axis of the jack (4).
5. A novel self-tapping screw as defined in claim 1, wherein: the diameter of the insert block (6) is equal to the inner diameter of the insertion hole (4).
6. A novel self-tapping screw as defined in claim 1, wherein: the length and the width of the limiting block (7) are respectively equal to the distance between the inner side surfaces of the limiting grooves (5).
7. A novel self-tapping screw as defined in claim 2, wherein: the screw head (11) is in threaded connection with the internal threaded hole (10) through the external threaded column (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973880.8U CN213117047U (en) | 2020-09-10 | 2020-09-10 | Novel self-tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021973880.8U CN213117047U (en) | 2020-09-10 | 2020-09-10 | Novel self-tapping screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117047U true CN213117047U (en) | 2021-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021973880.8U Active CN213117047U (en) | 2020-09-10 | 2020-09-10 | Novel self-tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117047U (en) |
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2020
- 2020-09-10 CN CN202021973880.8U patent/CN213117047U/en active Active
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