CN116292573B - A type of anti-loosening screw - Google Patents
A type of anti-loosening screwInfo
- Publication number
- CN116292573B CN116292573B CN202310180066.2A CN202310180066A CN116292573B CN 116292573 B CN116292573 B CN 116292573B CN 202310180066 A CN202310180066 A CN 202310180066A CN 116292573 B CN116292573 B CN 116292573B
- Authority
- CN
- China
- Prior art keywords
- screw
- spring
- sliding block
- slider
- block
- 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.)
- Active
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
- Connection Of Plates (AREA)
Abstract
本发明公开了一种防松螺钉，包括：滑块A、弹簧A、螺钉A、弹簧B、滑块B、螺钉B、固定块和压板；弹簧A与滑块A分别装入螺钉B上方的安装孔中；滑块A上设置有缺口，滑块B上设置有安装孔；其中，滑块A的缺口位置对准滑块B的安装孔；滑块B与弹簧B分别装入螺钉B侧方的安装孔中，使用压板压紧，并使用螺钉A进行固定；滑块A、弹簧A、螺钉A、弹簧B、滑块B、螺钉B和压板构成的整体装入在固定块中。本发明基于提升防松效果、结构紧凑、易安装、不占用设备安装空间为目的进行设计，旨在解决螺钉的防松问题，应用场合广泛。
This invention discloses an anti-loosening screw, comprising: a slider A, a spring A, a screw A, a spring B, a slider B, a screw B, a fixing block, and a pressure plate; spring A and slider A are respectively installed into mounting holes above screw B; slider A has a notch, and slider B has a mounting hole; wherein the notch of slider A is aligned with the mounting hole of slider B; slider B and spring B are respectively installed into mounting holes on the side of screw B, pressed together by the pressure plate, and fixed by screw A; the entire assembly consisting of slider A, spring A, screw A, spring B, slider B, screw B, and pressure plate is installed in the fixing block. This invention is designed to improve anti-loosening effect, has a compact structure, is easy to install, and does not occupy equipment installation space, aiming to solve the problem of screw loosening, and has a wide range of applications.
Description
Technical Field
The invention belongs to the technical field of electromechanical assembly, and particularly relates to a locking screw.
Background
When the screw is used, the surface of the object to be connected is expected to always have initial pretightening force, but in the actual use process, the relative movement of the internal thread and the external thread is caused along with the continuous change of bearing load, the screw used in the prior art inevitably generates loosening, so that the connection is loosened and is invalid, the pretightening force is reduced, and accidents are caused. Particularly, when the existing screw is applied to the occasion that the screw is frequently required to be disassembled, the defects that A and the anti-loosening operation are complex, B and the anti-loosening effect is not ideal, and the screw is easy to loosen exist.
At present, screw looseness prevention mainly adopts modes of coating thread glue, a spring washer, breaking a thread kinematic pair, connecting steel wires in series and the like. In the occasion that often needs to dismantle, above-mentioned method has the inconvenient or locking effect of operation subalternation problem.
Disclosure of Invention
The invention solves the problems of overcoming the defects of the prior art, providing the anti-loosening screw which is designed based on the purposes of improving the anti-loosening effect, having compact structure, being easy to install and not occupying the installation space of equipment, and aims to solve the anti-loosening problem of the screw and has wide application occasions.
In order to solve the technical problems, the invention discloses a locking screw which comprises a sliding block A, a spring A, a screw A, a spring B, a sliding block B, a screw B, a fixed block and a pressing plate;
the spring A and the sliding block A are respectively arranged in the mounting hole above the screw B;
the sliding block A is provided with a notch, and the sliding block B is provided with a mounting hole, wherein the notch of the sliding block A is aligned with the mounting hole of the sliding block B;
The sliding block B and the spring B are respectively arranged in a mounting hole at the side of the screw B, are pressed by using a pressing plate, and are fixed by using the screw A;
the whole body composed of the sliding block A, the spring A, the screw A, the spring B, the sliding block B, the screw B and the pressing plate is arranged in the fixed block.
In the above-mentioned lock screw, the fixed block bottom designs has the boss, has the concave station on the locking part of fixed block complex, and the boss of fixed block cooperates with the concave station of locking part to prevent that the fixed block from taking place gyration motion.
In the above-mentioned lock screw, the fixed block is provided with a limiting hole in the circumferential direction for realizing the limit of the slider B after the lock screw is screwed in place.
When the locking screw is screwed in place, the sliding block A rebounds to a normal position under the action of the spring A, the sliding block B stretches out of the limiting hole under the action of the spring B, and the locking screw rotates to ensure locking reliability.
In the above-mentioned lock screw, the tool is a straight screwdriver.
In the above-mentioned lock screw, the diameter of the spring A is phi 4mm.
In the above-mentioned lock screw, the diameter of the spring B is phi 3mm.
In the above-described lock screw, the screw a is an M1.6 screw.
The invention has the following advantages:
(1) The invention discloses a locking screw, which does not depend on the existing locking methods of coating thread glue, a spring washer, damaging a thread kinematic pair, connecting steel wires in series and the like, and utilizes a designed special mechanism to prevent the loosening and loosening of the screw in the use process, and can realize quick disassembly and assembly and save the installation and maintenance time.
(2) The invention discloses a locking screw which can effectively prevent the screw from loosening, is suitable for frequent disassembly occasions, has simple operation and does not need special tools
(3) The invention discloses a locking screw which is compact in structure and small in occupied space, and the minimum installation space is the diameter phi 20mm and the height 22mm.
(4) The invention discloses a locking screw which is applicable to all locking screws and can replace the existing screw locking measures on the premise of ensuring enough installation space.
Drawings
FIG. 1 is an assembled rear view of a set screw in an embodiment of the present invention;
FIG. 2 is an exploded view of a set screw according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of a fixing block according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention disclosed herein will be described in further detail with reference to the accompanying drawings.
In the present embodiment, as shown in fig. 1 and 2, the lock screw includes a slider A1, a spring A2, a screw A3, a spring B4, a slider B5, a screw B6, a fixing block 7, and a pressing plate 8. The spring A2 and the sliding block A1 are respectively arranged in the mounting holes above the screw B6, a notch is formed in the sliding block A1, a mounting hole is formed in the sliding block B5, the notch position of the sliding block A1 is aligned with the mounting hole of the sliding block B5, the sliding block B5 and the spring B4 are respectively arranged in the mounting holes at the side of the screw B6, are pressed by the pressing plate 8 and are fixed by the screw A3, and the whole body formed by the sliding block A1, the spring A2, the screw A3, the spring B4, the sliding block B5, the screw B6 and the pressing plate 8 is arranged in the fixed block 7.
In this embodiment, as shown in fig. 3, a boss is designed at the bottom of the fixed block 7, a concave table is designed on a locking part matched with the fixed block 7, and the boss of the fixed block 7 is matched with the concave table of the locking part to prevent the fixed block 7 from rotating.
In this embodiment, as shown in fig. 3, a limiting hole 71 is formed in the circumferential direction of the fixing block 7, so as to limit the sliding block B5 after the locking screw is screwed in place.
In the embodiment, when the tool is used for screwing the check screw, the sliding block A1 is pressed down, the sliding block B5 is retracted into the screw B6 body at the moment to ensure normal screwing, when the check screw is screwed in place, the sliding block A1 is rebounded to a normal position under the action of the spring A2, the sliding block B5 extends into the limiting hole 71 under the action of the spring B4, and the check screw rotates to ensure the locking reliability. The tool used may be a screwdriver in a straight line.
In this embodiment, the diameter of the spring A2 is Φ4mm. The diameter of the spring B4 is phi 3mm. Screw A3 is an M1.6 screw.
In this embodiment, the minimum installation space of the locking screw is the diameter phi 20mm and the height 22mm.
Although the present invention has been described in terms of the preferred embodiments, it is not intended to be limited to the embodiments, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the spirit and scope of the present invention, so any simple modifications, equivalent variations and modifications to the embodiments described above according to the technical matters of the present invention are within the scope of the technical matters of the present invention.
What is not described in detail in the present specification belongs to the known technology of those skilled in the art.
Claims (7)
1. The anti-loose screw is characterized by comprising a sliding block A (1), a spring A (2), a screw A (3), a spring B (4), a sliding block B (5), a screw B (6), a fixed block (7) and a pressing plate (8);
the spring A (2) and the sliding block A (1) are respectively arranged in the mounting hole above the screw B (6);
The slide block A (1) is provided with a notch, and the side of the screw B (6) is provided with a mounting hole, wherein the notch of the slide block A (1) is aligned with the mounting hole on the side of the screw B (6);
The sliding block B (5) and the spring B (4) are respectively arranged in the mounting holes at the side of the screw B (6), are pressed by using the pressing plate (8), and are fixed by using the screw A (3);
The whole body composed of the sliding block A (1), the spring A (2), the screw A (3), the spring B (4), the sliding block B (5), the screw B (6) and the pressing plate (8) is arranged in the fixed block (7);
A limiting hole (71) is formed in the circumferential direction of the fixed block (7) and is used for limiting the sliding block B (5) after the locking screw is screwed in place;
When the tool is used for screwing the anti-loose screw, the sliding block A (1) is pressed down, the sliding block B (5) is retracted into the screw B (6) body at the moment, normal screwing is guaranteed, after the anti-loose screw is screwed in place, the sliding block A (1) rebounds to a normal position under the action of the spring A (2), the sliding block B (5) stretches out of the limiting hole (71) under the action of the spring B (4), rotation of the screw is prevented, and anti-loose reliability is guaranteed.
2. The locking screw as claimed in claim 1, characterized in that a boss is provided at the bottom of the fixing block (7), a recess is provided on the locking part cooperating with the fixing block (7), and the boss of the fixing block (7) cooperates with the recess of the locking part to prevent the fixing block (7) from rotating.
3. The locking screw as recited in claim 1, wherein the tool is a flat screwdriver.
4. The locking screw as claimed in claim 1, wherein the diameter of the spring A (2) is phi 4mm.
5. The locking screw as claimed in claim 1, wherein the diameter of the spring B (4) is phi 3mm.
6. The set screw according to claim 1, wherein screw a (3) is an M1.6 screw.
7. The locking screw as claimed in claim 1, wherein the smallest installation space of the locking screw is a diameter Φ20mm and a height 22mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310180066.2A CN116292573B (en) | 2023-03-01 | 2023-03-01 | A type of anti-loosening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310180066.2A CN116292573B (en) | 2023-03-01 | 2023-03-01 | A type of anti-loosening screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116292573A CN116292573A (en) | 2023-06-23 |
| CN116292573B true CN116292573B (en) | 2026-03-24 |
Family
ID=86777207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310180066.2A Active CN116292573B (en) | 2023-03-01 | 2023-03-01 | A type of anti-loosening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116292573B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921414Y (en) * | 2006-06-05 | 2007-07-11 | 吴健 | Locking bolt |
| CN207687151U (en) * | 2018-01-02 | 2018-08-03 | 中山市泰铭五金有限公司 | A kind of automobile tapping screw combination of energy close fit |
| CN213575092U (en) * | 2020-11-10 | 2021-06-29 | 威肯(天津)机械配件有限公司 | Check washer and threaded fastener assembly |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR17697E (en) * | 1912-03-07 | 1913-10-27 | Louis Deschamps | Further development in the manufacture of self-locking ball nuts |
| CN206770377U (en) * | 2017-04-21 | 2017-12-19 | 北京航天光华电子技术有限公司 | One kind does not fall off screw |
| CN207906256U (en) * | 2018-01-29 | 2018-09-25 | 东莞市瑞固电子有限公司 | A kind of tack cross PLASTIC SCREWS |
| JP2019183907A (en) * | 2018-04-05 | 2019-10-24 | キャプティブファスナー株式会社 | Spring lock screw |
| CN214661399U (en) * | 2021-01-13 | 2021-11-09 | 浙江力友汽车科技有限公司 | Non-detachable screw |
| CN215333870U (en) * | 2021-01-20 | 2021-12-28 | 阳江市得盟五金制品有限公司 | Self-tapping screw easy to correct |
| CN215673116U (en) * | 2021-08-04 | 2022-01-28 | 马鞍山市星明冷弯型钢有限公司 | Anti-loosening screw nut assembly |
| CN216430231U (en) * | 2021-10-12 | 2022-05-03 | 海盐华叶五金股份有限公司 | High-strength shockproof anti-loose screw |
| CN216842579U (en) * | 2022-02-14 | 2022-06-28 | 瑞安市组合标准件厂 | Screw not easy to loosen |
-
2023
- 2023-03-01 CN CN202310180066.2A patent/CN116292573B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921414Y (en) * | 2006-06-05 | 2007-07-11 | 吴健 | Locking bolt |
| CN207687151U (en) * | 2018-01-02 | 2018-08-03 | 中山市泰铭五金有限公司 | A kind of automobile tapping screw combination of energy close fit |
| CN213575092U (en) * | 2020-11-10 | 2021-06-29 | 威肯(天津)机械配件有限公司 | Check washer and threaded fastener assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116292573A (en) | 2023-06-23 |
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