CN217081036U - High-strength anti-drop screw - Google Patents

High-strength anti-drop screw Download PDF

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Publication number
CN217081036U
CN217081036U CN202122952939.6U CN202122952939U CN217081036U CN 217081036 U CN217081036 U CN 217081036U CN 202122952939 U CN202122952939 U CN 202122952939U CN 217081036 U CN217081036 U CN 217081036U
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Prior art keywords
screw
main
spiral shell
head
locking
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CN202122952939.6U
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Chinese (zh)
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陆秋华
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Shanghai Huixin Hardware Technology Co ltd
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Shanghai Huixin Hardware Technology Co ltd
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Abstract

The utility model discloses a high strength anti-drop screw, including the main screw, be equipped with the main screw thread on the main screw outer wall, main screw top is connected with main spiral shell head, the inside enhancement screw hole that is equipped with of main screw, it has reinforcing bolt to strengthen screw hole internally mounted, reinforcing bolt top is connected with the enhancement spiral shell head, is located be equipped with enhancement spiral shell head groove on the main spiral shell head at enhancement screw hole top, the overhead equipartition of main spiral shell has locking screw hole, locking screw hole internally mounted has locking screw, the locking screw top is connected with locking spiral shell head, is located the overhead equipartition of main spiral shell at locking screw hole top has locking spiral shell head groove. This high strength anti-drop screw, structural design is clear, and screw strength and locking performance preferred that takes off not only can effectual increase screw intensity, can also effectually avoid the screw not hard up to drop, guarantee the stability of screwed connection, and then increase the practicality of screw.

Description

High-strength anti-drop screw
Technical Field
The utility model relates to a screw technical field specifically is a high strength anti-drop screw.
Background
The screw is a tool for fastening the parts of an object step by utilizing the physical and mathematical principles of the inclined circular rotation and friction of the object, and is an important detachable fixed connecting piece.
At present, in order to reduce production cost, most screws are made of carbon steel alloy, the strength of the screws is weaker than that of white steel, the screws are poorer in application in some high-strength fields, the adaptability of the screws is reduced, the structural design of the traditional screws is simpler, and when the screws are used, the phenomenon that sliding wires fall off exists, so that the practicability of the screws is reduced. Therefore, we propose a high strength drop-proof screw.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high strength anti-drop screw to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a high strength anti-drop screw, includes main screw, be equipped with the main screw on the main screw outer wall, main screw top is connected with main spiral shell head, the inside enhancement screw hole that is equipped with of main screw, it has the reinforcing bolt to strengthen screw hole internally mounted, it is connected with the enhancement spiral shell head to strengthen the bolt top, is located be equipped with on the main spiral shell head at enhancement screw hole top and strengthen spiral shell head groove, the overhead equipartition of main spiral shell has locking screw hole, locking screw hole internally mounted has locking screw, the locking screw top is connected with locking spiral shell head, is located the overhead equipartition of main spiral shell at locking screw hole top has locking spiral shell head groove.
Preferably, the main screw and the main screw head are forged integrally.
Preferably, the inner diameter of the reinforcing screw head groove is consistent with the outer diameter of the reinforcing screw head, and the inner diameter of the anti-loosening screw head groove is consistent with the inner diameter of the anti-loosening screw head.
Preferably, the top of the main screw head is provided with main screwdriver teeth, the top of the reinforced screw head is provided with reinforced screwdriver teeth, and the top of the anti-loosening screw head is provided with anti-loosening screwdriver teeth.
Compared with the prior art, the beneficial effects of the utility model are that: according to the high-strength anti-falling screw, the reinforcing threaded hole, the reinforcing bolt and the reinforcing screw head are arranged, the reinforcing bolt made of white steel can be embedded into the reinforcing threaded hole through the reinforcing screw head, and then the reinforcing bolt with higher strength is embedded into the screw, so that the effect of improving the strength of the screw is achieved; through setting up locking screw hole, stop screw, locking spiral shell head, can squeeze into locking screw inside the locking screw hole through locking spiral shell head, and then squeeze into the connector with stop screw inside, consolidate main spiral shell head through stop screw, reach the effect that prevents the not hard up coming off of screw, make this high strength anti-drop screw, structural design is clear, screw strength and anti-loosening performance preferred, not only can effectual increase screw intensity, can also effectually avoid the screw not hard up coming off, guarantee the stability of screwed connection, and then increase the practicality of screw.
Drawings
Fig. 1 is a front view of a high-strength anti-falling screw according to the present invention;
FIG. 2 is a front sectional view of the high-strength anti-falling screw according to the present invention;
fig. 3 is a top view of the high-strength anti-drop screw of the present invention.
In the figure: the anti-loosening screw comprises a main screw 1, a main thread 2, a main screw head 3, a reinforcing threaded hole 4, a reinforcing bolt 5, a reinforcing screw head 6, a reinforcing screw head groove 7, a loosening-preventing threaded hole 8, a loosening-preventing screw 9, a loosening-preventing screw head 10, a loosening-preventing screw head groove 11, a main screw cutter tooth 12, a reinforcing screw cutter tooth 13 and a loosening-preventing screw cutter tooth 14.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-strength anti-drop screw comprises a main screw 1, a main thread 2 is arranged on the outer wall of the main screw 1, a main screw head 3 is connected to the top of the main screw 1, the main screw head 3 and the main screw 1 are arranged integrally, the strength of the main screw 1 and the main screw head 3 can be ensured, the stability of the main screw 1 and the main screw head 3 is further improved, a reinforced threaded hole 4 is formed in the main screw 1, the reinforced threaded hole 4 is formed by machining through a lathe and tapping equipment thereof, a reinforcing bolt 5 is arranged in the reinforced threaded hole 4, the reinforcing bolt 5 is fixed in the reinforced threaded hole 4 through threads, the stability of the reinforcing bolt 5 embedded in the main screw 1 is further ensured, a reinforced screw head 6 is connected to the top of the reinforcing bolt 5, the reinforced screw head 6 and the reinforcing bolt 5 are arranged integrally of white steel, the strength between the reinforcing bolt 5 and the reinforced screw head 6 can be ensured, and the integral stability of the reinforcing bolt 5 and the reinforced screw head 6 is further improved, the main screw head 3 positioned at the top of the reinforced threaded hole 4 is provided with a reinforced screw head groove 7, the reinforced screw head groove 7 can accommodate the reinforced screw head 6, thereby avoiding the reinforced screw head 6 from being exposed outside the main screw head 3, the main screw head 3 is uniformly provided with anti-loosening threaded holes 8, the anti-loosening threaded holes 8 are processed by a lathe and tapping equipment thereof, the anti-loosening threaded holes 8 are internally provided with anti-loosening screws 9, the anti-loosening screws 9 are fixed inside the anti-loosening threaded holes 8 in a threaded manner, the anti-loosening screws 9 are driven into the connector, so that the main screw head 3 is conveniently reinforced, further the main screw head 3 can be effectively prevented from loosening, further the main screw 1 can be prevented from loosening and falling off, the top of the anti-loosening screw 9 is connected with an anti-loosening screw head 10, the anti-loosening screw head 10 and the anti-loosening screws 9 are arranged integrally, the strength between the anti-loosening screw head 10 and the anti-loosening screws 9 can be effectively ensured, further the integral stability of the anti-loosening screw head 10 and the anti-loosening screws 9 is ensured, the main screw head 3 positioned at the top of the anti-loosening threaded hole 8 is evenly provided with anti-loosening screw head grooves 11, the anti-loosening screw head 10 can be accommodated in the anti-loosening screw head grooves 11, and then the anti-loosening screw head 10 can be prevented from being exposed outside the main screw head 3.
Specifically, will strengthen inside the bolt 5 squeezes into main screw 1, keep strengthening the spiral shell head 6 of strengthening the bolt 5 end and arrange in and strengthen spiral shell head groove 7 inside, and then improve main screw 1's intensity, main screw 2 above the rethread main screw 1 squeezes into main screw 1 and treats the connector inside, squeeze into the connector inside with locking screw 9 above the main spiral shell head 3 in proper order again, keep locking spiral shell head 10 to arrange in locking spiral shell head groove 11 inside, and then can not only avoid main spiral shell head 3 rotatory through locking screw 9, can also consolidate main spiral shell head 3, avoid main spiral shell head 3 not hard up to drop, and then can avoid main screw 1 not hard up to drop.
Theory of operation, this high strength anti-drop screw is at the in-process that uses: will strengthen inside the bolt 5 squeezes into main screw 1, keep strengthening the spiral shell head 6 of 5 ends of strengthening the bolt and arrange in and strengthen spiral shell head groove 7 inside, and then improve main screw 1's intensity, main screw 2 above the rethread main screw 1 squeezes into main screw 1 and treats inside the connector, squeeze into the connector with locking screw 9 above the main spiral shell head 3 in proper order again inside, keep locking spiral shell head 10 to arrange in locking spiral shell head groove 11 inside, and then can not only avoid main spiral shell head 3 rotatory through locking screw 9, can also consolidate main spiral shell head 3, avoid main spiral shell head 3 not hard up droing, and then can avoid main screw 1 not hard up droing. Make this high strength anti-drop screw, structural design is clear, and screw strength and locking performance preferred that takes off not only can effectual increase screw intensity, can also effectually avoid the screw not hard up to drop, guarantee the stability of screwed connection, and then increase the practicality of screw.
Furthermore, the main screw 1 and the main screw head 3 are forged integrally, so that the strength of the main screw 1 and the main screw head 3 can be ensured, and the stability of the whole main screw 1 and the whole main screw head 3 can be further ensured.
Furthermore, the inner diameter of the reinforcing screw head groove 7 is consistent with the outer diameter of the reinforcing screw head 6, and the inner diameter of the anti-loosening screw head groove 11 is consistent with the inner diameter of the anti-loosening screw head 10, so that the reinforcing screw head 6 and the anti-loosening screw head 10 can be respectively placed in the reinforcing screw head groove 7 and the anti-loosening screw head groove 11.
Furthermore, the top of the main screw head 3 is provided with a main screwdriver tooth 12, the top of the reinforcing screw head 6 is provided with a reinforcing screwdriver tooth 13, the top of the anti-loosening screw head 10 is provided with an anti-loosening screwdriver tooth 14, and the main screw head 3, the reinforcing screw head 6 and the anti-loosening screw head 10 can be respectively rotated by corresponding screwdrivers through the main screwdriver tooth 12, the reinforcing screwdriver tooth 13 and the anti-loosening screwdriver tooth 14, so that the main screw 1, the reinforcing bolt 5 and the anti-loosening screw 9 can be sequentially driven to rotate forwards or backwards.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a high strength anti-drop screw, includes main screw (1), its characterized in that: be equipped with on main screw (1) outer wall main screw thread (2), main screw (1) top is connected with main spiral shell head (3), main screw (1) inside is equipped with strengthens screw hole (4), it has reinforcing bolt (5) to strengthen screw hole (4) internally mounted, reinforcing bolt (5) top is connected with strengthens spiral shell head (6), is located be equipped with on the main spiral shell head (3) of strengthening screw hole (4) top and strengthen spiral shell head groove (7), the equipartition has locking screw hole (8) on main spiral shell head (3), locking screw hole (8) internally mounted has locking screw (9), locking screw (9) top is connected with locking spiral shell head (10), is located the equipartition has locking spiral shell head groove (11) on main spiral shell head (3) at locking screw hole (8) top.
2. A high-strength drop-off preventing screw as set forth in claim 1, wherein: the main screw (1) and the main screw head (3) are integrally forged.
3. A high-strength drop-off preventing screw as set forth in claim 1, wherein: the inner diameter of the reinforced screw head groove (7) is consistent with the outer diameter of the reinforced screw head (6), and the inner diameter of the anti-loosening screw head groove (11) is consistent with the inner diameter of the anti-loosening screw head (10).
4. A high-strength drop-off preventing screw as set forth in claim 1, wherein: the anti-loosening screw head is characterized in that a main screwdriver tooth (12) is arranged at the top of the main screw head (3), a reinforcing screwdriver tooth (13) is arranged at the top of the reinforcing screw head (6), and an anti-loosening screwdriver tooth (14) is arranged at the top of the anti-loosening screw head (10).
CN202122952939.6U 2021-11-29 2021-11-29 High-strength anti-drop screw Active CN217081036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122952939.6U CN217081036U (en) 2021-11-29 2021-11-29 High-strength anti-drop screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122952939.6U CN217081036U (en) 2021-11-29 2021-11-29 High-strength anti-drop screw

Publications (1)

Publication Number Publication Date
CN217081036U true CN217081036U (en) 2022-07-29

Family

ID=82538340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122952939.6U Active CN217081036U (en) 2021-11-29 2021-11-29 High-strength anti-drop screw

Country Status (1)

Country Link
CN (1) CN217081036U (en)

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